Power Management Solutions

Buck
Boost
LDO
LED Driver
Charge Pump
Load Switch
POWER
Greener, Smarter, Smaller Power Management
Power Management Solutions
Buck
•High Efficiency
•Fast Response
•Smallest Footprint
Boost
•High Efficiency
•Small Footprint
LDO
•Ultra-Low Dropout
•Low Voltage
www.semtech.com/power-management/
LED Driver
•High Efficiency
•Low Noise
•Advanced Dimming
•Ultra-Thin Solution
Charge Pump
• High Current
• Low Noise
Load Switch
•Ultra Low RDS ON
•Tiny Footprint
•Robust Protection
Power Management
Green Solutions for the Smart Home & Buildings
GREENER • SMARTER • BRIGHTER • SMALLER
An established leader in power management ICs across networking and industrial power,
handheld power and LED lighting applications, Semtech is pushing performance to higher
levels in our quest to enable a totally new class of greener, smarter and smaller end products.
Buck Converters
With one of the industry’s broadest selections of buck converters, Semtech also offers some
of the world’s smallest, high-performance point-of-load (POL) regulators. These include our
family of EcoSpeed® converters that set a new standard for efficiency, speed, size and simplicity
in emerging green energy applications.
Boost Converters
Semtech’s expanded line of boost converters now includes the world’s smallest low-voltage
regulators, as well as a growing line of single- and multi-string boost LED drivers for
demanding, rugged backlighting applications.
LDOs
A wide range of ultra-low dropout regulators offers ideal solutions for systems where VOUT is
very close to VIN.
LED Drivers
Semtech manufactures an extensive line of LED driver ICs for LCD display, automotive,
backlight and LED camera flash applications. They include inductor-based boost LED drivers
for series-connected LEDs and charge pump LED drivers and low-dropout current sinks for
parallel-connected LEDs. Each LED Driver topology is designed for optimal high efficiency in
the smallest footprint with accurate current regulation, low noise, and a wide dimming range.
Charge Pumps
Semtech Overview
Semtech Corporation, based in
Camarillo, CA, USA, is a leading global
supplier of analog and mixed-signal
semiconductors with breakthrough
technologies across a broad product
portfolio, including:
• Power Management ICs
• Circuit Protection ICs
• Timing and Synchronization ICs
• Touch Interface Controllers
• Telecom and Datacom SerDes
• Microwave and Millimeter Wave
• Wireless RF Transmitters,
Receivers, Transceivers
• Digital Sensors/Signal Conditioners
Semtech’s goal is to provide
semiconductor solutions that help
customers push system performance to
new levels and meet emerging, ultra-low
power green technology initiatives.
Semtech’s high-performance, charge pump-based converters and LED backlight drivers build
on a strong history of charge pump experience providing very high efficiency in the smallest
footprint, with accurate current regulation, low noise and a wide dimming range.
Load Switches
Semtech’s new Load Switch products focus on Lowest RDS ON in class for highest system
efficiency, and extremely robust protection to withstand the harshest circuit conditions.
2
Semtech Power Management Solutions
Power Management
Contents
Low RDS ON Load Switches In Tiny Chip Scale Package
-------------------------- 4
World’s Smallest Switching Regulator
-------------------------- 5
SC2597 Low Voltage DDR1 to DDR4 Memory Termination LDO Regulator
-------------------------- 6
Ultra-Low Dropout Regulators
-------------------------- 7
EcoSpeed® Regulators with Programmable Soft Start
------------------------- 8
EcoSpeed® Product Portfolio
------------------------- 9
Digital Power with EcoSpeed Converter Core
------------------------ 10
Charge Pump Regulators: Simple Buck-Boost Converter
------------------------ 11
LED Drivers For Automotive & Consumer Displays
------------------------ 12
20MHz Buck Regulator
------------------------ 13
NEW
PRODUCT
Buck
------------------------ 14
Single Output Synchronous Regulators
Multiple Output Synchronous Regulators
Single Output Non-Synchronous Regulators
Single Output Controllers
Multiple Output Controllers
DDR Regulators/Controllers (Switching & LDO)
------------------------------- 14
------------------------------- 15
------------------------------- 15
------------------------------- 15
------------------------------- 16
------------------------------- 16
Boost
------------------------ 16
Single Output Step-up Controllers/Regulators
Additional Power & Analog Products
------------------------ 17
LDOs
------------------------ 18
Inverting Buck / Boost Controller
Combo Regulators / Controllers
Isolated PWM Controllers
Voltage References
MOSFET Drivers
Linear Battery Chargers
LDO Controllers
Single Output LDOs
Multiple Output LDOs
------------------------------- 16
------------------------------- 17
------------------------------- 17
------------------------------- 17
------------------------------- 17
------------------------------- 17
------------------------------- 18
------------------------------- 18
------------------------------- 18
------------------------------- 18
Inductor Based
Charge Pump Based
LED Current Sinks
LED Drivers
------------------------ 19
Charge Pump Regulators
------------------------ 20
Load Switches
------------------------ 20
Power Management Design Resources
------------------------ 21
C-SIM Online Design Center and Simulation Tool
------------------------ 22
www.semtech.com/power-management/
------------------------------- 19
------------------------------- 19
------------------------------- 19
3
Power Management
NEW
PRODUCT
Semtech Introduces New Low RDS ON Load Switches In Tiny Chip Scale Package
Semtech’s new Load Switch product family delivers the lowest RDS ON possible and highest level of protection in an extremely small footprint.
The SC704 and SC705 provide up to 500mA continuous output current and are offered in 0.76mm x 0.76mm 4-Bump Chip Scale Package.
At just 90m Ohms RDS ON these devices are 10% lower than the nearest competition which provides extended battery life through increased
system efficiency. Ultra-Low shutdown current is less than 1µA under all operating conditions. ESD protection is up to 5kV HBM for all
connections to the IC giving SC704 and SC705 extra protection capabilities. Both devices are specifically designed to inhibit leakage current
from any node to ground. The SC705 includes an Automatic Discharge circuit with a typical pull down resistance of 220 Ohms.
VIN
(1.1V to 3.6V)
VIN
(1.1V to 3.6V)
Features
• Low VIN 1.1V to 3.6V
SC704
SC704
• Low RDS ON – 90mΩ at 1.8VIN
• 500mA continuous output current
EN
• No reverse leakage to enable pin
EN
• SC705 includes Auto Discharge circuit
90mΩ
RON
Control Logic
Enable Level Shift
Slew Rate
Control Logic
Enable Level Shift
Slew Rate
90mΩ
RON
VOUT
(Up to 500mA)
VOUT
(Up to 500mA)
• 5kV ESD
• 0.76mm x 0.76mm CSP package
GND
GND
VIN
(1.1V to 3.6V)
VIN
(1.1V to 3.6V)
EN
mm
76
0.
EN
mm
76
.
0
SC705
SC705
90mΩ
RON
Control Logic
Enable Level Shift
Slew Rate
Control
Logic
Load
Discharge
Enable Level Shift
Slew Rate
Load Discharge
90mΩ
RON
VOUT
(Up to 500mA)
VOUT
(Up to 500mA)
SC705 Auto
Discharge
SC705 Auto
GND
Discharge
GND
NEW
Load Switches
4
Part
Number
Min
Max
IOUT
Max
(A)
RDS ON
(mΩ)
Shutdown
Current
(µA)
Quiescent
Current
(mA)
Enable Pin
Auto
Discharge
ESD
(kV HBM)
Package
SC704
1.1
3.6
0.5
90
0.1
2
Yes
No
5
0.76mm x 0.76mm
4-Bump CSP
SC705
1.1
3.6
0.5
90
0.1
2
Yes
Yes
5
0.76mm x 0.76mm
4-Bump CSP
VIN (V)
Semtech Power Management Solutions
Power Management
The World’s Smallest Switching Regulator
NEW
PRODUCT
At 0.8mm x 0.8mm package size the SC195B Switching Regulator is the world’s smallest DC-DC converter. With high efficiency of up to 94%,
the SC195B is a great choice for any portable or mobile application where small size and extended battery life is important.
Product Family Features
• Up to 94% efficiency
VIN
2.9V to 5.5V
• Automatic PSAVE mode maintains
high efficiency at light loads
1µH
LX
IN
VOUT
0.8V to 3.6V
SC195B
• VID Programmable Output
• Soft Start
OUT
• 3.5MHz switching frequency
• Available in multiple configurations
•
•
•
•
CONTROL
LOGIC
LINES
SC202A: includes integrated inductor
SC195: 1.5mm x 1.5mm MLPD package
SC197: dual version of SC195
SC195B: 0.8mm x 0.8mm CSP package
CTL3
CTL2
CTL1
CTL0
GND
NEW
Single Output Synchronous Regulators
Part
Number
Min Max Min
Max
IOUT
Max
(A)
SC195B
2.9 5.5
3.3
0.5
VIN (V)
VOUT (V)
0.8
www.semtech.com/power-management/
Shutdown Quiescent
Current
Current
(µA)
(mA)
0.1
0.04
fSW (kHz)
PSAVE
3500
Regular
Power Enable
Good
Pin
Flag
No
Yes
Package
Features
0.8x0.8x0.375mm CSP
4-bit VID
5
Power Management
NEW
PRODUCT
SC2597 Low Voltage DDR1 to DDR4 Memory Termination LDO Regulator
SC2597: DDRn VTT Regulator +/- 3A Out
2.35V to 3.6V
Takes power from
2.5V or 3.3V rail
Pin-to-pin with SC2596
SOIC-8-EP
VDD
SC2597
VTT input power can
be VDDQ but does not
have to be
1V to 3.6V
Internal divider
creates VDDQ/2 REFIN
internally, saving two
resistors and improving
accuracy
1V to 3.6V
+/-1% over temp;
Remote sense
VTT = VDDQ/2
VIN
VTT
Ceramic output
capacitor
VTTS
VREF = VDDQ/2
VDDQ
VREF
Buffered VREF
+/-1% over temp;
Capacitor is
recommended but not
mandatory
VEN
Enable
GND
FEATURES
BENEFITS
• High current (up to 3A sink or source) VTT
capability with remote sense
• Very tight output regulation meets demanding
DDR3 and DDR4 needs with less output capacitance
• Works with MLCC and high ESR capacitors
• Simplifies design process
• Internal soft-start and UVLOs
• VTT and VREF track VDDQ linearly from 0V
• VREF with 40mA minimum sink/source capability
• Supports multiple memory ICs
• Internal resistor divider
• Fewer external components, higher accuracy
• +/- 1% VREF and VTT over temperature
(including resistor divider variation)
NEW
DDR1 to DDR4 Memory Termination LDO Regulator
6
VCC (V)
Part
Number
Min
Max
SC2597
2.35
3.6
VDDQ (V)
VTT (V)
IVTT (A)
Max
DDR
Type
Package
Features
1-3.6
0.5 - 1.8
±3
1,2,3,4
SOIC-8 EDP
Integrated DDR VTT LDO with on-board
buffered reference, remote sense
Semtech Power Management Solutions
Power Management
Ultra-Low Dropout Regulators Maximize Performance With Minimum Headroom
NEW
PRODUCT
Semtech’s ultra-low dropout regulators maintain output regulation and input supply rejection
making them an ideal choice for systems where VOUT is very close to VIN.
The ultra-low dropout also enables significantly higher efficiency versus conventional LDOs for
the next generation of green power applications.
1ms Internal Soft-Start
Minimizes Inrush Current
Ultra-Low VIN = 1.4V min
VOUT Down to 0.5V
VOUT = 0.5V to (VIN – VDROP)
IOUT to 2A
1.4V to 6V
VIN
VOUT
SC4215J
FB
Enable
EN
GND
• Ultra-Low Dropout: 600mV Guaranteed
• 300mV Typical @ 2A
VIN (V)
(min)
IOUT (A)
(max)
VDROPOUT at
Full Load (V) (typ)
Enable Pin
Package
SC4213H
1.4
0.5
0.075
Yes
SOIC-8
SC4211
1.4
1
0.1
Yes
SOIC-8 EDP*
SC4212
1.5
1
0.2
Yes
MLPD-8 (3x3x1mm)
SC4215J
(Internal SS)
1.4
2
0.3
Yes
SOIC-8 EDP*
SC4216H
1.45
3
0.45
Yes
SOIC-8 EDP*
SC4217
1.8
3
0.3
Yes
TO-263-5
NEW
Part
Number
*Thermally enhanced exposed die pad
www.semtech.com/power-management/
7
Power Management
Efficiency and Speed of EcoSpeed
Regulators with Programmable Soft Start
Output Current Rating
up to 15A
Wide Input
Voltage Range
BST
3V to 17V
VIN
VOUT = 0.6V to 95% VIN
IOUT up to 15A
VOUT
LX
ILM
VDD
FB
SC401B
Selectable
Power Save
FBL
PGOOD
SS
Enable /
Power Save
VLDO Enable
Programmable
Soft Start
EN/PSV
ENL
PGND
TON
AGND
EcoSpeed Converters Color: High Efficiency, Fast Wake-Up, Low EMI
When the load changes from standby to steady state, the EcoSpeed converter’s
cycle-by-cycle response quickly exits PSAVE mode providing very fast wakeup recovery time.
All EcoSpeed converters offer SmartDrive™, a two-step, high-side FET turn-on
scheme that reduces EMI.
High Efficiency Across The Entire Load Range
Efficiency vs Load (SC401B)
VIN = 12V, fSW = 300kHz, VBIAS = 5V,
VOUT = 5V, 3.3V and 1.5V
Efficiency %
EcoSpeed converters provide high efficiency across the entire load range with
a power save (PSAVE*) feature that lowers the switching frequency to cater
to low-power standby requirements. This reduces power FET gate charge
switching losses and results in greater than 90% peak standby efficiency during
light loads.
IOUT (A)
8
Semtech Power Management Solutions
Power Management
EcoSpeed Product Portfolio
®
SC508 46V EcoSpeed ® Controller
Wide Input
Voltage Range
5V to 46V
4.5V to 5.5V
5V to 46V
BST
VDDP
5V to 46V
EcoSpeed Converter Benefits:
• Excellent Transient Response
• High Efficiency Across
Entire Load Range
• No Loop Compensation
DH
VIN
VOUT = 0.5V to 5.5V
VOUT
4.5V to 5.5V
LX
VDDA
ILIM
SC508
Selectable Ultrasonic
Power Save Eliminates
Audible Noise
DL
VOUT Enable
EN
VLDO Enable
ENL
FB
TON
PGOOD
SS
PGND
Programmable
Soft Start
AGND
Controllers and Regulators
with Integrated FETs
VIN
up to
46V
VLDO = 5V,
ILDO up to 150mA
VLDO
PSV
IOUT
up to
30A
VOUT
Power Good
Power Save for Maximum
Efficiency at Light Load
Very Small Packaging
Product
Number
Type
VIN
Range
IOUT
(max)
PGOOD
Enable
Soft Start
PSAVE
OCP
Package
SC171
Regulator
3 - 5.5V
1A
Yes
Yes
Yes
Ultrasonic
Latching
MLPD-10 (3x3x1mm)
SC172
Regulator
3 - 5.5V
2A
Yes
Yes
Yes
Ultrasonic
Latching
MLPD-10 (3x3x1mm)
SC173
Regulator
3 - 5.5V
3A
Yes
Yes
Yes
Ultrasonic
MLPD-10 (3x3x1mm)
SC173A
Regulator
3 - 5.5V
3A
Yes
Yes
Yes
Regular
SC174
Regulator
3 - 5.5V
4A
Yes
Yes
Yes
Ultrasonic
Latching
Not
Latching
Latching
SC410
Regulator
5.5 - 24V
3A
Yes
Yes
Yes
Ultrasonic
Latching
MLPD-10 (3x3x1mm)
SC3303
Regulator
5.5 - 28V
3A
Yes
Yes
Yes
Ultrasonic
Latching
MLPD-10 (3x3x1mm)
SC414
Regulator
3 - 28V
6A
Yes
Yes
Yes
Ultrasonic
Latching
MLPQ-28 (4x4x1mm)
SC424
Regulator
3 - 28V
6A
Yes
Yes
Yes
Regular
Latching
MLPQ-28 (4x4x1mm)
SC417
Regulator
3 - 28V
10A
Yes
Yes
Yes
Ultrasonic
Latching
MLPQ-32 (5x5x1mm)
SC427
Regulator
3 - 28V
10A
Yes
Yes
Yes
Regular
Latching
MLPQ-32 (5x5x1mm)
SC9301
Regulator
3 - 28V
10A
Yes
Yes
Programmable
None
Hiccup
MLPQ-32 (5x5x1mm)
SC403B
Regulator
3 - 28V
6A
Yes
Yes
Programmable
Regular
Latching
MLPQ-32 (5x5x1mm)
SC402B
Regulator
3 - 28V
10A
Yes
Yes
Programmable
Regular
Latching
MLPQ-32 (5x5x1mm)
SC401B
Regulator
3 - 17V
15A
Yes
Yes
Programmable
Regular
Latching
MLPQ-32 (5x5x1mm)
SC418
PWM Controller
3 - 28V
30A*
Yes
Yes
Yes
Prog. Ultrasonic or Regular
Latching
MLPQ-UT-20 (3x3x0.6mm)
SC419
PWM Controller
3 - 28V
30A*
Yes
Yes
Yes
Prog. Ultrasonic or Regular
Latching
MLPQ-UT-20 (3x3x0.6mm)
SC461
PWM Controller
3 - 28V
30A*
Yes
Yes
Yes
Prog. Ultrasonic or Regular
Hiccup
MLPQ-UT-20 (3x3x0.6mm)
SC493
PWM Controller
3 - 28V
30A*
Yes
Yes
Programmable
Prog. Ultrasonic or Regular
Latching
MLPQ-UT-20 (3x3x0.6mm)
SC508Q
PWM Controller
5 - 46V
30A*
Yes
Yes
Programmable
Prog. Ultrasonic or Regular
Hiccup
MLPQ-UT-20 (3x3x0.6mm)
MLPD-10 (3x3x1mm)
MLPD-10 (3x3x1mm)
* Controller Only
www.semtech.com/power-management/
9
Power Management
Digital Power with EcoSpeed Converter Core
3V to 28V
VIN
EcoSpeed Converter Benefits:
• Excellent Transient Response
• High Efficiency Across
Entire Load Range
• No Loop Compensation
3V to 5V
BST
DH
VDD
VOUT
Enable
VOUT = 0.5V to 5V
LX
EN
ILIM
DL
I²C Interface for:
• Programmability
• Diagnostics
8 User Selectable
I²C Slave Addresses
SC493
SCL
FB
SDA
PGOOD
A2
A1
A0
PGND
EcoSpeed Converters - Excellent Transient Response
AGND
Programmable Ultrasonic
Power Save
Eliminates Audible Noise
EcoSpeed® Load Transient Response – Load Rising
The adaptive on-time pseudo-fixed frequency core used in EcoSpeed
converters enables very fast transient response, due to the response time being
controlled by a fast comparator instead of a relatively slow error amplifier
found in conventional voltage mode and current mode control topologies.
This also reduces the size of the power components used in the system.
The fast transient response also enables the output capacitance to be reduced.
Fast Comparator Provides
Excellent Transient Response
10
Semtech Power Management Solutions
Power Management
Charge Pump Regulators
Simple Buck-Boost Converter With No Inductor
The SC63x converter family builds on Semtech’s strong charge pump technology to provide
simple, efficient and low-noise converters that:
• Boost voltage when the input is below the required output voltage, and
• Function as LDO linear regulators when the input voltage is greater than the output.
Unlike most charge pumps, these devices can source large amounts of current – up to 500mA.
Soft Start Reduces
In-Rush Current
C1+ C1-
2.9V to 5.5V
C2+ C2-
VIN
VOUT
VOUT = 5V
IOUT to 500mA
SC632
Enable
EN
Up to 500mA Maximum
Output Current
GND
Tiny 2x2x0.6mm
MLPD Package
Three Modes Increases
Efficiency Compared to
Dual-Mode Parts
Part
Number
VIN (min)
(V)
VIN (max)
(V)
VOUT
(V)
fSW
(kHz)
IOUT
Continuous*
(mA)
IOUT (max)
(mA)
IQ (typ)
(mA)
SC630
2.9
5.5
3.3
200
400
500
SC630A
2.95
5.5
3.3
1000
300
SC632
2.9
5.5
5.0
200
SC632A
2.95
5.5
5.0
SC633
2.9
5.5
5.3
Charge Pump Modes
1x
1.5x
2x
1.5
ü
ü
ü
500
2.5
ü
ü
ü
275
500
1.5
ü
ü
ü
1000
275
400
2.5
ü
ü
ü
200
400
200
1.5
ü
ü
ü
* Limited by thermal dissipation of the package
www.semtech.com/power-management/
11
Power Management
Rugged, High-Brightness LED Drivers For
Automotive & Consumer Displays
The SC445 drives up to 48 LEDs at up to 150mA per channel, with up to 90% efficiency in a thermally enhanced package to provide highbrightness illumination with low operating temperature and long life.
A wide operating voltage range from 4.5V to 27V enables the SC445 to operate under cold crank conditions making it a great choice for
automotive lighting applications, from instrument cluster lighting and LCD backlighting for navigation to infotainment systems. Additionally,
1mm pin spacing provides protection from PCB contamination in harsh environments by minimizing the risk of pin-to-pin faults.
Wide VIN Range: 4.5V to 27V
Guarantees Flicker-Free
Operation During Cold Cranking
VOUT up to 42V
Higher Voltage Minimizes
Number of LED Strings
VIN: 4.5V to 27V
VOUT up to 42V
SW
VIN
TSSOP-20
Thermally
Enhanced
Package
PWM
Dimming
150mA per Channel ±2%
Matching Provides Uniform
Brightness Across All LEDs
VOUT
FFLAG
EN
Up to 150mA
per String
OVPIN
SC445
OVPRTN
PWM
COMP
SS
AGND
IO1
IO2
IO3
IO4
IOSET
PGND IOGND
Drives up to 48 White LEDs
Ideal for Large and Bright
LCD Displays
Clamped
Voltage
Voltage Fluctuations with No Flicker
VBATT Voltage
26V
12
13V
4.5V . . . .
“Cold-Crank” Test
“Dual Battery”
Test
“Load Dump”
Test
Time
Semtech Power Management Solutions
Power Management
20MHz Buck Regulator
Lets Designers Draw Their Own PC Board Inductors
SC220/Q – 20MHz Buck Regulator – AEC-Q100 Qualified
BENEFITS
• 20MHz PWM Operation
VIN = 2.7V to 5.5V
• High Efficiency
SW
• Ultra-Fast Transient Response
PVIN
• 650mA Output Current
AVIN
• 19µA Quiescent Current
220nH
VOUT = 1V to 0.9VIN
IOUT = 650mA
OUT
SC220
• 0.1μA Shutdown Current
• Automatic Power Save Mode
FB
• EN/SYNC Frequency Sync Function
Enable
• SOIC-8 Package
VFB = 1V
EN/SYNC
GND
• AEC-Q100 Qualified
• Patented X-EMI™ Technology
VIN (V)
VOUT (V)
Part
Number
Min
Max
Min
Max
SC220
2.7
5.5
1
0.9x VIN
www.semtech.com/power-management/
IOUT Max
Shutdown
(A)
Current (µA)
0.65
0.1
Quiescent
Current
(mA)
fSW (kHz)
PSAVE
Power
Good
Flag
Enable
Pin
Package
19
20,000
Regular
No
Yes
SOIC-8
13
Power Management
Power Management Portfolio
Buck
Single Output Synchronous Regulators
NEW
Part
Number
VIN (V)
VOUT (V)
Min Max Min
Max
IOUT
Max
(A)
Shutdown Quiescent
Current
Current
(µA)
(mA)
fSW (kHz)
PSAVE
Power Enable
Good
Pin
Flag
Package
Features
SC171
3.0 5.5 0.75 95%*
VIN
1
5
0.75
200-1000 Ultrasonic
Yes
Yes
MLPD-10, 3X3x1mm
SC172
3.0 5.5 0.75 95%*
VIN
2
5
0.75
200-1000 Ultrasonic
Yes
Yes
MLPD-10, 3X3x1mm
SC173
3.0 5.5 0.75 95%*
VIN
3
5
0.75
200-1000 Ultrasonic
Yes
Yes
MLPD-10, 3x3x1mm
SC173A
3.0 5.5 0.75 95%*
VIN
3
5
0.5
200-1000
Yes
Yes
MLPD-10, 3X3x1mm
SC174
3.0 5.5 0.75 95%*
VIN
4
5
0.75
200-1000 Ultrasonic
Yes
Yes
MLPD-10, 3x3x1mm
SC183C
2.9 5.5
0.8
3.3
2
11
0.01
2500
No
No
Yes
MLPQ-UT16, 3x3x0.6mm
4-bit VID
SC185
2.9 5.5
1.0
3.3
4
1
0.1
1500
Regular
Yes
Yes
MLPQ-UT16, 3x3x0.6mm
SC186
2.9 5.5
0.8
3.3
4
1
0.1
1500
Regular
Yes
Yes
MLPQ-UT16, 3x3x0.6mm
SC189
2.9 5.5
1.0
3.3
1.5
1
7.5
2500
No
No
Yes
SC190
2.7 5.5
1.0
2.8
0.3
0.1
0.01
1000
No
No
Yes
SOT23-5, MLPD-6,
2x2x0.6mm
MLPD-10, 3x3x1mm
Prog Soft Start, Power Good
Prog Soft Start, Power Good,
4-bit VID
Very low input ripple. 2-bit VID
SC191
2.7 5.5
1.2
1.2
0.33
0.1
2.5
1000
No
No
Yes
MLPD-8, 2.3x2.3x0.8mm
Very low noise, very low input ripple
SC192
2.7
0.8
VIN
0.7
0.1
0.04
750
Regular
Yes
Yes
MLPD-10, 3x3x1mm
Adj current limit, ext synch
SC194A/B 2.7 5.5
1.0
3.6
1
0.1
0.02
750-1250
Regular
No
Yes
Ext synch, 2-bit VID
SC195
2.9 5.5
0.8
3.3
0.5
0.1
0.04
3500
Regular
No
Yes
MLPD-10, 3x3x1mm
MLPQ-UT8,
1.5x1.5x0.6mm
SC195B
2.9 5.5
0.8
3.3
0.5
0.1
0.04
3500
Regular
No
Yes
0.8x0.8x0.375mm CSP
4-bit VID
SC196A
2.7 5.5
1.0
1.8
1.5
0.1
0.02
750-1250
Regular
No
Yes
MLPD-10, 3x3x1mm
Ext synch, 2-bit VID
SC196
2.5 5.5
0.8
VIN
1.5
0.1
0.02
750-1250
Regular
No
Yes
MLPD-UT10, 3x3x0.6mm
Ext synch, 2-bit VID
SC202A
2.9 5.5
0.8
3.3
0.5
0.1
0.04
3500
Regular
No
Yes
MLPQ-13, 2.5x3x1mm
Integrated inductor, 4-bit VID
0.65
0.1
19
20,000
Regular
No
Yes
SOIC-8
X-EMI™ PCB Inductor
0.06
1500
Forced
Yes
Yes
MLPQ-UT16, 3x3x0.6mm
200-1000 Ultrasonic
Yes
Yes
MLPD-10, 3x3x1mm
Prog Soft Start, Power Good
Forced PSAVE
EcoSpeed® regulator,
fast transient response
7
Regular
SC220
2.7 5.5
1
0.9x
VIN
SC3102
2.9 5.5
1.1
1.5
2
1
SC3303
5.5
0.75
7.5
3
9
15
<27
200-1000
Regular
Yes
Yes
MLPQ-32, 5x5x1mm
10
<27
200-1000
Regular
Yes
Yes
MLPQ-32, 5x5x1mm
6
<27
200-1000
Regular
Yes
Yes
MLPQ-32, 5x5x1mm
3
9
200-1000 Ultrasonic
Yes
Yes
MLPD-10, 3x3x1mm
6
12
200-1000 Ultrasonic
Yes
Yes
MLPQ-28, 4x4x1mm
10
12
200-1000 Ultrasonic
Yes
Yes
MLPQ-32, 5x5x1mm
6
12
200-1000
Regular
Yes
Yes
MLPQ-28, 4x4x1mm
10
12
200-1000
Regular
Yes
Yes
MLPQ-32, 5x5x1mm
28
SC401B
3.0
17
0.6
SC402B
3.0
28
0.6
SC403B
3.0
28
0.6
85%*
VIN
85%*
VIN
85%*
VIN
SC410
5.5
24
0.75
7.5
SC414
3.0
28
SC417
3.0
28
SC424
3.0
28
SC427
3.0
28
0.75 85%*
VIN
85%*
0.5
VIN
0.75 85%*
VIN
85%*
0.5
VIN
SC4620
2.3 5.5
0.5
VIN
2.5
0.2
7.0
200-2000
No
Yes
Yes
SC4624
2.3 5.5
0.5
VIN
4
0.2
7.0
200-2000
No
Yes
Yes
SC4626
2.9 5.5
1.0
3.3
1
1
7.5
2500
No
No
Yes
MLPQ-20, 4x4x1mm
SO-16 EDP, MLPQ-20,
4x4x1.75mm
SOT23-5
SC9301
3.0
0.6
85%*
VIN
10
<27
No
Yes
Yes
MLPQ-32, 5x5x1mm
14
28
See
datasheet
see
datasheet 200-1000
EcoSpeed® regulator,
fast transient response
–
4-bit VID
EcoSpeed® regulator with
prog Soft Start, integrated
LDO w/crossover circuit,
fast transient response
EcoSpeed® regulator,
fast transient response
EcoSpeed® regulator,
integrated LDO
w/crossover circuit,
fast transient response
Prog Soft Start and
current limit, Power Good flag,
ext synch
Easy to use, low cost
EcoSpeed® regulator with
prog Soft Start, integrated
LDO, fast transient response,
fixed frequency (no PSAVE)
Semtech Power Management Solutions
Power Management
Buck (...continued)
NEW
Multiple Output Synchronous Regulators
Part
Number
VIN (V)
Min Max
VOUT (V)
Min
Max
SC197
2.9
5.5
2
0.8/0.8
3.3/3.3
0.5/0.5
0.1/0.1
0.04/0.04
SC283
2.9
5.5
2
0.8/0.8
3.3/3.3
1.8/1.8
<10
SC286
2.9
5.5
2
0.8/0.8
3.3/3.3
4/4
SC284
2.9
5.5
2
0.8/0.8
3.3/3.3
SC284P
2.75
5.5
2
1/1
3.3/3.3
# of
Outputs
IOUT
Shutdown
Quiescent
fSW
Max (A) Current (µA) Current (mA) (kHz)
PSAVE
Package
Features
3500
Regular
MLPQ-UT18,
2x3x0.6mm
4-bit VID
10
2500
No
MLPQ-W18,
2x3x0.8mm
4-bit VID, very small footprint,
100% duty cycle
<1
0.1
1600
Regular
MLPQ-UT28,
4x4x0.6mm
4-bit VID, very small footprint,
100% duty cycle
1.8/1.8
<10
10
2500
No
MLPQ-UT20,
3x3x0.6mm
4-bit VID, very small footprint,
100% duty cycle
2/2
<10
0.06
2500
Regular
MLPQ-UT20,
3x3x0.6mm
3-bit VID, very small footprint,
100% duty cycle, automotive PSAVE
Shutdown
Current (µA)
fSW (kHz)
Package
Features
NEW
Single Output Non-Synchronous Regulators
Part
Number
VIN (V)
Min
Max
VOUT (V)
Min
Max
SC4518H
SC4519
SC4519H
SC4521
4.4
3
4.4
4.4
24
16
24
24
0.8
1.2
0.8
0.8
0.85* VIN
SC4524E
3
28
SC4524F
3
SC4525E
SC4525F
lSW
IOUT
Max (A) Min (A)
2.0
3.0 typ.
3.5
3.5
100
5
10
250
600
SO-8 EDP
External synch
600
SO-8 EDP
External synch
0.85* VIN
1.4
2.7
3.0
3.0
600
SO-8 EDP
Prog Soft Start
1
0.96* VIN
2.0
2.6
40
200-2000
SO-8 EDP
Prog Soft Start, hiccup overload protection with
freq foldback
18
1
0.96* VIN
2.0
2.6
40
200-2000
SO-8 EDP
Prog Soft Start, hiccup overload protection with
freq foldback
3
28
1
0.96* VIN
3.0
3.9
40
200-2000
SO-8 EDP
Prog Soft Start, hiccup overload protection with
freq foldback
3
18
1
0.96* VIN
3.0
3.9
40
200-2000
SO-8 EDP
Prog Soft Start, hiccup overload protection with
freq foldback
0.85* VIN
Single Output Controllers
Part
Number
VIN (V)
VOUT (V)
Min Max Min
SC2602L 4.2 12.6 0.8
SC2608A 4.5
SC2618
14
4.75 14
Max
0.9* VIN
loutæ Gate
or
Drive Synch
NonMax Current
Synch
(A)
(A)
Power
PSAVE Good Enable
Pin
Flag
Package
Features
1
Synch
200
No
Yes
Yes
SO-14
Soft Start
0.8 0.85* VIN 15
0.6
Synch
250
No
No
Yes
SO-8
Prog Soft Start
1.25
0.5
Synch
Up to
500
No
No
No
SOT-23-6
Internal Soft Start, hiccup overload protection
12.6
20
fSW
(kHz)
6
SC418
3
28
0.5 0.85* VIN 30
4
Synch
Up to
1000
Yes+
Yes
Yes
MLPQ-20,
3x3x0.6mm
EcoSpeed® controller
SC419
3
28
0.5 0.85* VIN 30
4
Synch
Up to
1000
Yes+
Yes
Yes
MLPQ-20,
3x3x0.6mm
EcoSpeed® controller, on-board prog LDO
SC4508A 2.7
15
0.5 0.97* VIN 15
1.5
NonSynch
Up to
1500
No
No
Yes
MLPQ-12,
4x4x1mm
Buck or buck/boost (inverting), prog Soft Start,
hiccup overload protection
SC4510
2.5
16
0.5 0.90* VIN 25
1
Synch
1001000
No
Yes
Yes
TSSOP-20
Source and sink current, reference tracking,
ext synch, prog Soft Start
SC4603
2.25 5.5
0.5
1
Synch
Up to
1000
No
No
Yes
MSOP-10
100% duty capable, ext synch, hiccup overload protection
SC4608
2.7
5.5
0.5 0.82* VIN 15
1.65
Synch
Up to
1000
No
No
Yes
MLP-16
Hiccup overload protection
SC461
3.0
28
0.5 0.85* VIN 30
40
Synch
Up to
1000
No
Yes
Yes
MLPQ-20,
3x3x0.6mm
EcoSpeed® controller, on-board 5V LDO, prog Soft
Start, Fixed Frequency (no PSAVE)
SC493
3
28
0.5
8.3
Synch
250 to
1000
Yes+
Yes
Yes
MLPQ-UT20
3x3x0.6mm
Digital power EcoSpeed® controller, I2C configuration
and status register
SC508
5
46
0.6 0.85* VIN 30
4
Synch
Up to
1000
Yes+
Yes
Yes
MLPQ-UT20
3x3x0.6mm
EcoSpeed® controller, on-board prog LDO, prog Soft
Start, hiccup overload protection, AEC-Q100
VIN
5.0
20
30
+ Programmable Ultrasonic or Regular Power Save
æValues dependent upon type of MOSFET used
www.semtech.com/power-management/
15
Power Management
Buck (...continued)
Multiple Output Controllers
# of
Vout (V)
OutMax
puts Min
Vin (V)
Gate Drive On-time fSW External Control Hiccup Power Enable
Current Min (ns) (kHz)
Sync
Method Overload Good
Pin
(A)
Flag
Part
Number
Min
Max
SC2440
2.78
20
2
SC2441A
1.8
20
3
0.5 0.88* VIN 20/20/0.6
2
0.75 0.85* VIN
Ioutæ
Max (A)
Features
SC2443
4.7
16
2
0.5 0.88*VIN
20/20
1.5
150
SC2446
4.7
16
2
0.5 0.88* VIN
20/20
1.5
150
Yes
Current
Yes
No
Yes
TSSOP-16
EDP
TSSOP-28
EDP
TSSOP-24
MLPQ-24,
4x4mm
TSSOP-28
EDP
SC2447
4.65
15
2
0.5 0.88* VIN
30/30
N/A
-
Yes
Current
Yes
No
Yes
TSSOP-28
SC2672
3
15
2
0.9
0.9* VIN
20/20
1.7
-
300
No
Voltage
No
Yes
Yes
SO-16
SC2677B
3
15
2
0.5 0.86* VIN
20/20
1.7
300
300-
1000
No
Voltage
No
Yes
Yes
TSSOP-24
TSSOP-24
EDP
SC2442(H) 4.75 3630
(H)
1
0.8* Vin
2002500
Package
2/2
10/10
2
180
0.5
Up to
1000
Yes
Yes
Yes
Yes
Yes
Current
Yes
No
Yes
Yes
Voltage
Yes
No
Yes
Yes
Current
Yes
No
Yes
–
Two buck controllers
+ 1 boost regulator
Sink/source capable
Sink/source capable
Optimized for DrMOS,
sink/source current
Simple dual channel
controller
Current sharing from two
inputs or dual output,
adj phase shift
Values dependent upon type of MOSFET used
æ
DDR Regulators/Controllers (Switching & LDO)
Part
Number
VCC (V)
Min Max
SC1116
3
SC2446
4.7
VDDQ (V)
IVDDQ
(A)
Max
VTT
Type
N/A
N/A
LDO
15
16 0.5-2.5
0.25-1.25 ±4
Peak gate
fSW
Current DDR
(kHz) Drive(A)
Type
N/A
Up to
1000
Up to
1000
Synch or
NonSynch
Integrated
Driver
Package
Features
-
1,2,3
N/A
Yes
SOT-23 6L
Simple DDR VTT LDO controller
1.5
1,2,3
Synch
Yes
TSSOP-28
2-phase, buffered VDDQ/2 output
-
1,2,3
Synch
Yes
TSSOP-28
20
N/A
N/A Switcher 0.5-1.25
60
5.5
N/A
N/A
LDO
0.9 -1.25 ±2.5 N/A
-
1,2
N/A
N/A
SC2597 2.35 3.6
1-3.6
N/A
LDO
0.5 - 1.8
±3
N/A
-
1,2,3,4
N/A
N/A
SC4510 4.75 16
N/A
N/A Switcher 0.3-3.0
15
1001000
1
1,2,3
Synch
Yes
SC2596
NEW
IVTT
(A)
Max
Switcher 0.5-1.25
SC2447 4.65 15
2.3
20
VTT (V)
2-phase, optimized for
Philips or Renesas DrMOS
DDR VTT LDO with on-board
SO-8 EDP Integrated
buffered reference, remote sense
SOIC-8 Integrated DDR VTT LDO with on-board
EDP
buffered reference, remote sense
On-board buffered reference,
TSSOP-20
Power Good flag
Boost
Single Output Step-up Controllers
Part
Number
VIN (V)
Min
Max
Max
Gate Drive
Current
(A)
Shutdown
Current (µA)
Quiescent
Current (mA)
fSW (kHz)
Package
VOUT (V)
Min Max
lOUT (A)
SC2603 4.5
16
4.5
* (1)
* (2)
0.8
-
5
200
SOT23-6
SC2604 4.5
16
4.5
* (1)
* (2)
0.8
200
6
400
MSOP-8
Features
Input disconnect FET drive
* (1)= External FET Voltage * (2) lOUT is function of VIN, VOUT, fSW, and inductor value
Single Output Step-up Regulators
Part
Number
VIN (V)
VOUT (V)
Min Max Min
lOUT (A) ISW (A)
Max
Max
Min
Shutdown
Current (µA)
Quiescent
Current (mA)
fSW (kHz)
Package
Features
SC4501
1.4
16
1.4
30
*
2
<18
<1.6
Up to 2000
MSOP-8 EDP
MLPD-10, 3x3x1mm
Prog Soft Start, SEPIC conf possible
SC4502
SC4502H
1.4
16
1.4
32/40
*
1.4
<18
<1.6
Up to 2000
MLPD-10, 3x3x1mm
Prog Soft Start, SEPIC conf possible
SC4503
2.5
20
3
27
*
1.4
<1
<1.1
1300
TSOT-23
MLPD-8, 2x2x0.8mm
Prog Soft Start, SEPIC conf possible
SC120
0.7
4.5
1.8
5
0.19
1.2
0.1
0.05
1200
MLPD, 1.5x2x0.6mm
SOT23
Power Save+ mode maximizes
efficiency at light load
SC121
0.7
4.5
1.8
5
0.19
1.2
0.1
3.5
1200
MLPD-UT-6,
1.5x2x0.6mm
Constant frequency
SC122
0.7
1.6
3.3
3.3
0.095/
0.05
0.35
8.5
0.04
1200
MLPD-UT-6,
1.5x2x0.6mm
Operates in Power Save+ mode
at all loads
* IOUT is function of VIN, VOUT, fSW and inductor values
16
Semtech Power Management Solutions
Power Management
Additional Power & Analog Products
Inverting Buck / Boost Controller
Part
Number
SC4508A
VIN (V)
Min Max
VOUT (V)
Min
Max
2.7
-0.5
15
lOUT (A) Gate Drive
RDSon (Ω)
Max
* (1)
*(2)
Shutdown
Current (µA)
Quiescent
Current (mA)
fSW
(kHz)
Package
Features
<500
3
100-1500
MLPQ-12, 4x4x1mm
Buck or buck/boost (inverting), Prog Soft Start,
hiccup mode over-current protection
8
* (1)= External FET Voltage * (2) IOUT is function of VIN, VOUT, fSW, and inductor value
Combo Regulators / Controllers
Part
Number
Topologies
Vin (V)
Min Max
Buck Vout (V)
Min
Max
Iout
Max (A)
fSW
(kHz)
Power
Good Flag
Package
Features
SC2441A
2 synch buck controllers
+ 1 boost regulator
1.8
20
0.5
0.88* VIN
20/20/0.6
Up to
1000
No
TSSOP-28
EDP
Ext synch, capable of 2-phase
with current sharing
SC2463
2 synch buck controllers
+ 2 LDO controllers
4.5
30
0.5
0.8* VIN
20/20/2/2
Up to 700
Yes
TSSOP-28
Prog Soft Start, auto startup
sequence, prog current limit
Isolated PWM Controllers
Part
Number
SC4806
Start Up
Current (µA)
Max
Topologies
# of
Outputs
Mode of
Operation
fSW (kHz)
150
Pushpull, Full Bridge,
Half Bridge
2
Voltage Mode
or Current Mode
Up to
1000
50% each
channel
8.6
150
Pushpull, Full Bridge,
Half Bridge
2
Voltage Mode
or Current Mode
Up to
1000
50% each
channel
4.4
SC4808A
SC4808B
MLPQ-12, 4x4x1mm
Independent Soft Start,
Shutdown, UVLO, ext synch
MSOP-10
UVLO, ext synch
MSOP-10
Prog duty cycle, ext synch
MSOP-10
Ext synch
4.5
Forward / Flyback,
Boost
110
SC4809C
SC4905B
Features
8
SC4809A
SC4905A
Package
12
SC4808C
SC4809B
Turn On
Max
Duty Cycle Threshold
(VMAX)
Voltage Mode
or Current Mode
1
Up to
1000
90%
12
6.95
Forward / Flyback,
Boost
100
1
Up to
1000
Voltage Mode
95%
4.6
12
Voltage References
Part
Number
Min
SC431
2.5
SC431L
VIN (V)
Reference Voltage (V)
Accuracy (%)
Package
Features
30
2.5
±0.5
SOT-23-3, SO-8
Adjustable shunt regulator
1.24
20
1.24
±0.25
SOT-23-3, SOT-23-5
Low-voltage adjustable shunt regulator
SC4431
1.5
15
1.224
±0.5
SOT-23-5
Adjustable shunt regulator with open collector
output for driving an opto-isolator
SC4437
0.9
28
3.3
±1
SOT-23-3
Low-power precision series voltage reference,
wide input range
Max
MOSFET Drivers
Part
Number
Min
SC1301
SC1302
VIN (V)
Max
Gate Drive
Current (A)
Rise/Fall
Time (ns)
Prop Delay (ns)
Package
Features
4.5
16.5
2
20
60
SOT23-5
Single low-side MOSFET driver, TTL compatible input,
inverting and non-inverting options
4.5
16.5
2
20
40
SO-8,
MSOP-8
Dual low-side MOSFET driver, TTL compatible input,
inverting, non-inverting options
www.semtech.com/power-management/
17
Power Management
Additional Power & Analog Products (...continued)
Linear Battery Chargers
Part
Number
Operating
Output
Input
Max. Charge
Output
Input
Voltage
Voltage Voltage
LDO
NTC Safety Charger Charge
Fault
Current (A)/ Voltage (V) Withstand
Status
Accuracy (%) Mode Interface Timer Present
Accuracy
(V)
Indicator Indicator Indicator
(V)
Min Max
Max
Package
Features
4.3
6.5
14
4.1,
4.2,
ADJ
+/-1
Yes
Yes
Yes
Yes
Yes
Yes
MLPQ-16,
4x4x1mm
Fully featured, high input voltage
protection, prog pre-, fast- and
termination current
SC805A 1 +/- 5% 3.5
5.9
7
4.2
+/-1
Yes
Yes
Yes
Yes
Yes
Yes
MLPD-10,
3x3x1mm
Fully featured, prog pre-,
fast- and termination current
SC806
1 +/- 5% 3.15 6.3
7
4.2
+/-1
No
Yes
No
Yes
Yes
Yes
MLPD-10,
3x3x1mm
Prog pre-, fast-.and termination
current
SC810
1 +/- 9% 4.6
8.2
30
4.2
+/-1
Yes
No
No
No
Yes
No
MLPD-UT-6,
2x2x0.6mm
Termination options: float charge,
automatic re-charge, forced re-charge
SC811
1 +/- 9% 4.0
4.6
30
4.2
+/-1
Yes
No
No
No
Yes
No
MLPD-UT-8, Charging mode pin: selects USB high,
2x2x0.6mm USB low or adapter inputs, OVP 9.6V
SC813
1 +/- 9% 4.0
4.6
30
4.2
+/-1
Yes
No
No
No
Yes
No
MLPD-UT-8, Charging mode pin: selects USB high,
2x2x0.6mm USB low or adapter inputs, OVP 6.0V
SC824
1 +/- 9% 4.0
8.2
30
4.2
+/-1
Yes
Yes
Yes
Yes
Yes
Yes
mode pin: selects USB high,
MLPD-UT-10, Charging
USB low or adapter inputs,
2x2x0.6mm
OVP 9.6V
+/SC802A 1 60mA
LDOs
LDO Controllers
VIN (V)
VOUT (V)
Part
Number
Min
Max
Min
Max
# Channels
VDROPOUT (V)
Enable
Pin
Power Good
Flag
Package
Features
SC338
4.5*
13.2
0.5
3.3
2
User selectable
Yes
Yes
MSOP-10
Soft Start
SC339
4.5*
5.5
0.5
3.3
1
User selectable
Yes
Yes
SOT-23-6
Soft Start
*Applies to IC - input to MOSEFET(s) is user selectable
NEW
Single Output LDOs
VIN (V)
VOUT (V)
lOUT (A) VDROPOUT (V)
Max O.T
Max
Part
Number
Min
Max
Min
Max
Enable
Pin
Package
Features
SC1202
2.65
7
1.25
5.7
0.6
1.3
No
SOT-223
–
SC1565
2.2
5.5
1.2
4.8
1.5
0.6
Yes
TO-263-5, SO-8,
SOT-223, TO-263-3
–
SC1566
2.2
5.5
1.2
4.8
3
0.45
Yes
TO-220-5, TO-263-3,
TO-220-3, TO-263-5
–
SC1592
1.25*
16
0.8
VIN-VDROPOUT
3
0.52
Yes
TO-263-7, SO-8 EDP
Separate control and power inputs for lower
dropout, prog current limit
SC4211
1.4
6
0.5
VIN-VDROPOUT
1
0.5
Yes
SO-8 EDP
Very low input (1.4V), very low dropout
SC4212
1.5
5.5
0.5
VIN-VDROPOUT
1
0.5
Yes
MLPD-8, 3x3x1mm
Very low input, very low dropout
SC4213H
1.4
6
0.5
VIN-VDROPOUT
0.5
0.15
Yes
SO-8
Very low input, very low dropout
SC4215J
1.4
6
0.5
VIN-VDROPOUT
2
0.6
Yes
SO-8 EDP
SC4216H
1.45
5.5
0.5
VIN-VDROPOUT
3
0.7
Yes
SO-8 EDP
SC4217
1.8
5.5
1.24
VIN-VDROPOUT
3
0.6
Yes
TO-263-5
Very low input, very low dropout
Very low dropout
* Control voltage also required. See datasheet.
Multiple Output LDOs
VIN (V)
Max
lOUT* VDROP- Power
(mA) OUT Good
(mV) Flag
IQ**
(µA)
3.3
300*
100
VOUT (V)
Part
Number
Min
Max
Min
SC560
2.5
5.5
1.2
100
Yes
Enable # of Noise PSRR
Pin LDOs (µVRMS) (dB)
Yes
2
50
65
Package
Features
MLPQ-UT8,
1.5x1.5x0.6mm
Power Good flag, dual enable, low noise
* Per output ** All regulators active
18
Semtech Power Management Solutions
Power Management
LED Drivers
Inductor Based
NEW
NEW
Part
Number
VIN (V)
VOUT
(V)
Min Max Max
fSW
(MHz)
Max #
LED’s
# LED
Strings
# LED’s
Per String
Max
(Vf=3.5V )
Current Per
LED String
Max
(mA)
Total
current
Max
(mA)
Dimming
Max (Freq)
Package
Features
SC440A
4.5
27
42
0.8
72
6
12
30
180
MLPQ-24,
4x4x1mm
Open/Short LED string disable,
OCP, OTP, OVP and FFLAG
SC446
4.5
27
42
0.7
36
3
12
100
300
TSSOP-16
EDP
Open/Short LED string disable,
OCP, OTP and OVP
SC441A+
4.5
21
36
0.7
40
4
10
150
600
TSSOP-20
EDP
Open/Short LED string disable, OCP, OTP,
OVP and FFLAG, AEC-Q100 qualified
SC442
4.5
21
42
0.2-1.0
120
10
12
30
300
MLPQ-UT-28,
4x4x0.6mm
Adj freq, adj SCP level, Open/Short LED
string disable, OCP, OTP and OVP
SC443
4.5
27
42
0.2-1.2
36
3
12
30
90
MLPQ-UT-16,
3x3x0.6mm
Adj freq Open LED string disable,
OCP, OTP and OVP
SC445
4.5
27
42
0.7
40
4
10
150
600
TSSOP-20 EDP
Automotive Load Dump Capable
SC4509
2.7
10
20
1.2
5
1
5
30
>30
SOT23-6
MLPD-W8,
2x2x0.8mm
Tiny solution size with integrated Schottky,
ballast resistor sets LED current, OCP, OTP
and OVP
SC4538
2.8
5.5
38
0.8
10
1
10
30
30
MLPD-UT-8,
2x2x0.6mm
Excellent dimming range, high
dimming linearity, OCP, OTP and OVP
SC4539
2.8
5.5
22
0.8
6
1
6
30
30
MLPD-UT-8,
2x2x0.6mm
Excellent dimming range, high
dimming linearity, OCP, OTP and OVP
SC4540
4.5
12
38
0.8
10
1
10
30
30
MLPD-UT-8,
2x2x0.6mm
Excellent dimming range, high
dimming linearity, OCP, OTP and OVP
SC4541
2.9
22
25
2
7
1
7
20
20
SC5010
4.5
27
50
0.2-2.2
96
8
12
30
240
SC5014
4.5
27
50
0.2-2.2
64
4
16
120
480
SC5014A
4.5
27
50
0.2-2.2
32
2
16
240
480
SC5012/Q
4.5
45
65
0.2-2.2
64
4
16
150
PWM
Up to
50kHz
PWM Up to
10kHz
PWM
Up to
50kHz
SOT23-6
PWM Up to MLPD-UT-6,
High-side sensing integrated Schottky rectifier,
500kHz
no external compensation
2x2x0.6mm
MLPQ-UT-28
4x4x0.6mm
Synchronous phase-shift, 10-bit dimming
resolution, no external compensation
MLPQ-20,
4x4x1mm
–
PWM
Up to
30kHz
600
MLPQ-20,
4x4x1mm
–
MLPQ-24,
4x4x1mm
I C, FSYNC, 5000:1 Phase Shifted
PWM Dimming
2
Charge Pump Based
Part
Number
VIN (V)
Min Max
fSW
(kHz)
IOUT
(mA)
Max
Mode
Backlight Sink
Current (mA)
Flash Sink
Current (mA)
Max
Max
Flash
Safety
Timer
LDOs Control Interface
Package
Features
3
5.5
250
1000
1x,1.5x,2x
N/A
1000
Yes
0
I2C
MLPQ-UT-20,
3x3x0.6mm
Flash LED = 1A max in flash mode,
275mA max continuous for spotlight
SC644
2.9
5.5
250
150
1x,1.5x,2x
6 x 25
N/A
N/A
4
SemPulse®
MLPQ-UT-20,
3x3x0.6mm
–
SC654
2.9
5.5
250
150
1x,1.5x,2x
6 x 25
N/A
N/A
0
SemPulse®
MLPQ-UT-14,
2x2x0.6mm
–
SC662
2.9
250,
5.5 1000
150
1x,1.5x,2x
6 x 25
N/A
N/A
0
SemPulse®
MLPQ-UT-14,
2x2x0.6mm
±0.5% matching, ±1.5% accuracy,
fade-in/fade-out
Control
Interface
Dimming
SC628A
LED Current Sinks
Sink Current
Range
(mA)
Sink
Quantity
150 max
31.25µA - 25mA
8
59 typ
0 - 25mA
7/8
VIN (V)
Part
Number
Sink Dropout
Min Max Voltage (mV)
SC620
2.7
5.5
SC667/8
2.9
5.5
www.semtech.com/power-management/
Package
I2C Interface Register MLPQ-UT-16,
3x3x0.6mm
I2C Interface PWM
MLPQ-UT-20,
3x3x0.6mm
Features
Output expansion capability, individually controllable
current sinks
LED current sink, 7/8 back lights + 4 LDOs + I²C + PWM +
SemPulse + ALS, Automatic Dropout Prevention (ADP)
19
Power Management
Charge Pumps
Charge Pump Regulators
VOUT (V)
lOUT (cont)
(mA)
Max
fSW (kHz)
Mode
Package
Features
6.5
4, 4.5, 5
60, 120 v
8, 32, 262, 650
1x,1.5x,2x
MSOP-10
MLPD-10, 3x3x1mm
–
2.5
6.5
4.5, 5
160, 200
262, 650
2x
MLPD-10, 3x3x1mm
–
SC630
2.9
5.5
3.3
400
200
1x,1.5x,2x
MLPD-UT-8, 2x2x0.6mm
Buck-Boost <20mV Vripple, Soft Start
SC630A
2.95
5.5
3.3
300
1000
1x,1.5x,2x
MLPD-UT-8, 2x2x0.6mm
Buck-Boost 33mV Vripple, Soft Start,
uses ultra-small input/output capacitors
SC632
2.9
5.5
5
275
200
1x,1.5x,2x
MLPD-UT-8, 2x2x0.6mm
Buck-Boost <30mV Vripple, Soft Start
SC632A
2.95
5.5
5
275
1000
1x,1.5x,2x
MLPD-UT-8, 2x2x0.6mm
Buck-Boost 50mV Vripple, Soft Start,
uses ultra-small input/output capaci tors
SC633
2.9
5.5
5.3
400
200
1x,1.5x,2x
MLPD-UT-8, 2x2x0.6mm
VIN (V)
Part
Number
Min
Max
SC600
2.5
SC603
Load Switches
NEW
Load Switches
Part
Number
Min
Max
IOUT
Max
(A)
RDS ON
(mΩ)
Shutdown
Current
(µA)
Quiescent
Current
(mA)
Enable Pin
Auto
Discharge
ESD
(kV HBM)
Package
SC704
1.1
3.6
0.5
90
0.1
2
Yes
No
5
0.76mm x 0.76mm, 4-Bump CSP
SC705
1.1
3.6
0.5
90
0.1
2
Yes
Yes
5
0.76mm x 0.76mm, 4-Bump CSP
VIN (V)
SEMTECH
Power Management ICs
GREENER • SMARTER • BRIGHTER • SMALLER
Semtech’s goal is to provide semiconductor solutions
help customers push system performance to
new levels and meet emerging,
ultra-low power green technology initiatives.
For the latest on
Semtech Power Management Products visit:
www.semtech.com/power-management/
20
Semtech Power Management Solutions
Power Management
Power Management Design Resources
Order Evaluation Boards Online FAST!
Semtech offers a simple and fast online form for ordering evaluation boards for any of our Power Management products.
www.semtech.com/ordering/request-eval.html
Order Evaluation Boards for any
Semtech Power Management Device
from Product Pages
OR
Order from the “Ordering” Tab
Cross-Referencing Power Parts is EASY !
Semtech offers an easy-to-use tool for cross-referencing competitive power management parts with equivalent Semtech devices.
Cross Parts by Part Number
OR...
by Manufacturer
www.semtech.com/cross-reference/
www.semtech.com/power-management/
21
Power Management
C-SIM Online Design Center and Simulation Tool
Semtech C-SIM is an interactive, web-based design tool for selecting and simulating
devices from our power management product portfolio.
Based on the input and output parameters you choose, C-SIM will find suitable devices for your application. C-SIM allows you to capture
schematics, create a reference design (along with associated Bill of Materials), view waveforms, perform application analysis and more.
online design center flow
R2
V1
www.semtech.com
22
Semtech Power Management Solutions
Power Management
C-SIM Simulation Tool Supported Products
Vin
Min
(V)
Vin
Max
(V)
Vout
Min
(V)
Vout
Max
(V)
Iout
Max
(A)
Freq
Max
(kHz)
3
30
1.5
10
0.3
Hys
4.5
20
0.5
18
40
1000
9
36
0.75
33.12
20
500
High Performance, Wide Input Range, Dual Synchronous Buck Controller
4.5
28
0.75
25.2
15
300
High-Performance Synchronous Buck Controller with Reference Tracking
4.75
16
0.5
15.2
30
1000
SC4603
Very Low Input, 1MHz Operation, High-Efficiency Synchronous Buck Controller
2.25
5.5
0.5
4.95
12
1000
SC4608
Low Input, 1MHz Operation, High Efficiency Synchronous Buck Controller
2.7
5.5
0.5
4.95
20
1000
SC4614
500kHz Voltage Mode PWM Controller
4
25
0.5
23.75
25
500
SC493
EcoSpeed® Step-down Controller with I C Interface
3
28
3
5.5
30
1000
SC508
46V EcoSpeed® DC-DC Buck Controller with Integrated LDO
5
46
0.6
20
20
1000
SC174
4A EcoSpeed® Synchronous Step-Down Regulator with Optional Ultrasonic Power Save
SC3303
3A EcoSpeed® Step-Down Regulator with LDO and Ultrasonic Power Save
SC401B
Part
Number
SC4530
Topology
Buck Regulator
Micro-Power
SC2544
SC4510
SC402B
SC403B
30V, 300mA Output Micropower Step-Down Switching Regulator
1.8V to 20V Input 2-Phase Synchronous Step-down Controllers with
Step-up Converter
SC2441A
SC2442H
Product Description
Synchronous
Buck
High-Performance Wide Input Range Dual Synchronous Buck Controller
2
Synchronous
Buck EcoSpeed®
3
5.5
0.75
5.225
4
1000
5.5
28
0.75
7.5
3
1000
15A, 17V EcoSpeed® Integrated Regulator with Programmable 5V LDO
3
17
0.6
12
15
1000
10A, 28V EcoSpeed® Integrated Regulator with Programmable 5V LDO
3
28
0.6
12
10
1000
6A, 28V EcoSpeed® Integrated Regulator with Programmable 5V LDO
3
28
0.6
12
6
1000
5.5
24
0.75
7.5
3
1000
SC410
3A EcoSpeed® Synchronous Step-Down Regulator with 5V LDO and Ultrasonic
Power Save Mode
SC414
6A EcoSpeed® Integrated FET Regulator with 5V LDO
3
28
0.75
5.5
6
1000
SC417
10A EcoSpeed® Integrated FET Regulator with Programmable LDO
3
28
0.3
5.5
12
1000
SC418
30A EcoSpeed® DC-DC Converter with Programmable 5V LDO
3
28
0.75
5.5
6
1000
SC424
6A EcoSpeed® Integrated FET Regulator with 5V LDO
3
28
0.75
5.5
6
1000
SC427
10A EcoSpeed® Integrated FET Regulator with Programmable LDO
3
28
0.3
5.5
10
1000
SC4524E
28V 2A Step-Down Switching Regulator
3
28
1
23
2
2000
18V 2A Step-Down Switching Regulator
3
18
1
14
2
2000
28V 3A Step-Down Switching Regulator
3
28
1
23
3
2000
18V 3A 350kHz Step-Down Switching Regulator
3
18
1
14
3
350
SC4524F
SC4525E
SC4525F
Non-Synchronous
Buck
SC4624
Low Input Voltage, High Efficiency, 4A Integrated FET Synchronous Step down
DC/DC Regulator
2.3
5.5
0.5
5.5
4
2000
SC440A
High-efficiency, Multiple-string (up to 6) LED Driver with Integrated Boost Converter
4.5
27
4.5
36
0.18
960
High-efficiency, Multiple-string (up to 4) LED Driver with Integrated Boost Converter
4.5
21
4.5
36
0.6
840
SC446
High Efficiency Integrated Driver for 3-Strings of 100mA LEDs
4.5
27
4.5
42
0.3
840
SC4503
1.3MHz Step-Up Switching Regulator with 1.4A Switch in TSOT-23
2.5
20
2.5
27
0.9
1300
Versatile, Low-cost, Voltage Mode PWM Controller Designed for 16V Input DC/
DC Power Supply Applications
4.5
16
5
50
10
1000
1MHz Fixed 5.0V Output Charge Pump Regulator
2.95
5.5
5
5
0.275
1000
SC441A
SC2603
SC632A
LED Driver
Boost
Charge Pump
Regulator
www.semtech.com/power-management/
23
About Semtech
Semtech Corporation is a leading supplier of analog and
mixed-signal semiconductor platforms for high-end consumer,
computing, communications and industrial applications.
Our vision is to be the global leader in analog and mixed-signal
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More than 5,000 customers worldwide rely on our diverse product
portfolio and world class technology roadmap to provide them
with solutions for low-power wireless communications, optical data
transport, video broadcasting, power management, circuit protection,
touch sensing, and more, making Semtech one of the most balanced
semiconductor companies in the industry.
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phone: (805) 498-2111 • fax: (805) 498-3804 • www.semtech.com
The Semtech name, Semtech logo, EcoSpeed and SemPulse are registered trademarks of Semtech Corporation in the U.S.A. and other countries. SmartDrive and SemWire are trademarks of Semtech
Corporation. I2C and the I2C bus are trademarks of NXP B.V. Semtech makes no warranty, representation or guarantee, express or implied, regarding the suitability of its products for any particular
purpose. ©2014 Semtech Corporation. All rights reserved. PM-SG-Q32014-US
© 2014 Semtech Corporation. All Rights Reserved.

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