Data Sheet - Electronics Source

DEV-BD9703CP-3.3-V1
DEV-BD9703CP-5.0-V1
Datasheet
ELECTRONICS SOURCE CO., LTD
Non-Isolated Step-Down DC/DC Converters 3.3/5Vdc 1.5A
7/129 Central Tower A Pinklao Bldg., 17th fl.,
Unit 21702 Baromrachonnee Rd.,
Arun Amarin, Bangkok-Noi, Bangkok 10700
Description
Tel: 02-884-9210 Fax: 02-884-9214
The DEV-BD9703CP is non-isolated dc-dc converters
Operate from 8Vdc-35Vdc input. And delivery full
1.5A.currents for 3.3 Vdc or 5 Vdc output.
It’s suitable for applications that require high efficiency,
tight regulation, and high reliability in elevated
temperature environments with low airflow.
Typical Circuit
Ven: 2V to Vin
Vin
6 to 32V (Vout: 3.3V)
Vout
3.3/5V
8 to 32V (Vout: 5V)
Feature
• Delivers up to 1.5A
• High efficiency
• ON /OFF control via Enable pin
• No minimum load required
Part number
DEV-BD9703CP-3.3-V1
DEV-BD9703CP-5.0-V1
Vout
3.3V
5V
• Shock circuit protection
• Thermal shutdown protection
Pin Assignment
2
4
6
8
1
8
3
5
7
Pin1, 2: Vin
Pin3, 4: Enable
Pin5, 6: Ground
Pin7, 8: Vout
Unit: mm.
DEV-BD9703CP-3.3-V1
DEV-BD9703CP-5.0-V1
Datasheet
ELECTRONICS SOURCE CO., LTD
Non-Isolated Step-Down DC/DC Converters 3.3/5Vdc 1.5A
7/129 Central Tower A Pinklao Bldg., 17th fl.,
Unit 21702 Baromrachonnee Rd.,
Arun Amarin, Bangkok-Noi, Bangkok 10700
Absolute
maximum rating(Ta=25 C)
Tel: 02-884-9210 Fax: 02-884-9214
PARA METER
ABSOLUTE MAXIMUM RATINGS1
Input Voltage
Switch Voltage
Output Current
Operating Temperature
Storage Temperature
Power Dissipation
1Absolute
Symbol
MAX
Unit
Vin
Vsw
Iout
Topr
Tstg
Pd
36
36
1.5
-40 ~ 85
-55 ~ 150
2
V
V
A
°C
°C
W
Maximum Ratings
Stresses in excess of the absolute maximum
ratings may lead to degradation in performance
and reliability of the converter and may result in
permanent damage.
Electrical characteristics
Refer to the test circuits, Ta = 25 C , Vi = 12V
Electrical characteristics of DEV-BD9703CP-3.3-V1
PARA METER
Output voltage
Load regulation
Line regulation
Efficiency
Symbol
Vout
ΔVoLoad
ΔVoLine
η
Test conditions
Io = 0 A
Vi = 20V, Io= 0.5~1.5A
Vi = 10~30V, Io= 1.0A
Io = 0.5A
Io = 1.0A
Io = 1.5A
Min
3.25
-
Typ
3.30
10
40
80
78
75
Max
3.35
40
100
-
Unit
V
mV
mV
%
%
%
Min
4.95
-
Typ
5.0
10
40
86
85
81
Max
5.05
40
100
-
Unit
V
mV
mV
%
%
%
Electrical characteristics of DEV-BD9703CP-5.0-V1
PARA METER
Output voltage
Load regulation
Line regulation
Efficiency
Symbol
Vout
ΔVoLoad
ΔVoLine
η
Test conditions
Io = 0 A
Vi = 20V, Io= 0.5~1.5A
Vi = 10~30V, Io= 1.0A
Io = 0.5A
Io = 1.0A
Io = 1.5A
DEV-BD9703CP-3.3-V1
DEV-BD9703CP-5.0-V1
Datasheet
ELECTRONICS SOURCE CO., LTD
Non-Isolated Step-Down DC/DC Converters 3.3/5Vdc 1.5A
7/129 Central Tower A Pinklao Bldg., 17th fl.,
Unit 21702 Baromrachonnee Rd.,
Arun Amarin, Bangkok-Noi, Bangkok 10700
Tel: 02-884-9210
Fax: 02-884-9214
Operation
Range(Ta=-40
C)
~
Parameter
Symbol
Input Voltage for 3.3V
Input Voltage for 5V
Output Current
ON/OFF Control
Enable Pin
Off
Threshold Voltage On
Enable Pin Input Current
Vin
Vin
Isw3
Min
6
8
-
Ven(off)
Ven(on)
Ien
-0.3
2
5
Ratings
Typ Max
32
32
1.5
25
0.3
Vin
50
Unit
V
V
A
Vdc
Vdc
µA
Waveforms Start up
Start up Waveform of DEV-BD9703CP-3.3-V1 at Vin=12 Vdc,
Load = 2.2 Ω.
(1V/div and 2 ms/div)
Vmax = 3.48V, RiseTime = 594.5us
DEV-BD9703CP-3.3-V1
DEV-BD9703CP-5.0-V1
ELECTRONICS SOURCE CO., LTD
Datasheet
Non-Isolated Step-Down DC/DC Converters 3.3/5Vdc 1.5A
7/129 Central Tower A Pinklao Bldg., 17th fl.,
Unit 21702 Baromrachonnee Rd.,
Arun Amarin, Bangkok-Noi, Bangkok 10700
Tel: 02-884-9210 Fax: 02-884-9214
Start up Waveform of DEV-BD9703CP-5.0-V1 at Vin = 12Vdc,
Load = 3.33 Ω.
(1V/div and 2 ms/div)
Vmax = 5.20V, RiseTime = 888.0us

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