LV5026 Application
PF Improved circuit Example
Input 100V
Output ＶＦ=60V/IF=140mA
三洋半導体株式会社
2011.02.25
1
• Specification
・Non-Insulation Circuit
・Input AC50/60Hｚ 100V±10V
☆Target performance
Output Vf=60to65Ｖ I LED=140mA
PF≧0.90
η≧89％
・Result
R201
10
L201
1m
1
AC +
FUSE
2
1
F1
Circuit Diagram
DB1
DBF10G
C201
0.22u
4
-
+
D7
DFH10TG
C9
0.22u
2
LED
20pcs
C2
47u/100V
3
AC -
R6
430k
R5A
390k
GMA 010
D1
C7
4.7u
NS=23T
D2
RD0106T
L1
NP=75T Lp=330u
ZD1a
36V
LV5026M
Q1
SFT1452
R2
68
Vcc 8
ZD1b
30V
R7
6.8k
・PF≧0.90
・η≧90％
RT
1
OUT
7
REF OUT
2
CS
REF IN
4
3
ACS
PWM D
10
5
GND
6
R3
47k
VAC=90～110V
VAC=90～110V
＠ VF=60V（ LED20pcs ）、I LED≒140mA(AC=100V)
R1
0.82//56
・Evaluation data
η VS VAC
PF VS VAC
LV5026　100VSistem　60V/140mA　PF Coｒｒection
η　VS　VAC
95
LV5026 100VSistem　60V/140mA　PF　Correction
PF　VS VAC
1
LED　20pcs
Non-Insulated
94
93
92
0.9
91
90
η[%}(50Hz)
η[%](60Hz)
89
88
87
PF
η　[％]
LED　20pcs
Non-Insulated
0.95
0.85
PF(50Hz)
PF(60Hz)
0.8
0.75
86
85
0.7
80
90
100
VAC　[V]
110
120
80
90
100
VAC [V]
110
120
・Evaluation data 2
I LED VS VAC
V LED VS VAC
LV5026　100VSistem　60V/140mA　PF　Correction
V LED　VS　VAC
LV5026　100VSistem　60V/140mA　PF　Correction
I LED VS VAC
65
180
LED　20pcs
Non-Insulated
170
63
V LED　[V]
I LED [mA]
160
150
140
130
I LED[mA](50Hz)
I LED[ｍA](60Hz)
120
LED　20pcs
Non-Insulated
64
62
61
V LED[V](50Hz)
V LED[V](60Hz)
60
59
58
110
57
100
80
90
100
VAC [V]
110
120
80
90
100
VAC　[V]
110
120
・Parts List
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Reference
Designator
C5
C7
C9
C12
C101
C201
R1
R2
R3
R5
R17
R19
R201
IC1
Q1
DB1
D2
D3
D7
ZD1a
ZD1b
22
T1
23
24
25
L201
F1
CN1
No.
Pert No.
LV5026M
SFT1452
DBF10G
RD0106T
GMA01U
DFH10TG
GZA36Y
GZA30Y
RCH121102K
(Modified)
RCH121-102K
FJL250V1A(EM)8H02
Description
Value
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
LED Driver
MOS FET
Bridge Diode
FRD
Diode
Diode
Zener　Diode
Zener　Diode
1000pF
4.7μF/50V
0.22μ
47μF/50V
1.0μF/250V
0.22μF/275V
0.82Ω
68Ω
47kΩ
390kΩ
430kΩ
6.8kΩ
10Ω
Quantity
Vender
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Panasonic
Rubycon
Panasonic
Rubycon
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
Panasonic
SANYO
SANYO
SANYO
SANYO
SANYO
SANYO
SANYO
SANYO
Inductor
330μH
1
sumida
Inductor
FUSE
Connector
1mH
250V/1A
2
1
1
sumida
Nippon Seisen
molex
Nch
600V/1A
600V/1A
100V/0.12A
600V/1A
36V
30V
Package
1/4W
1/8W
1/8W
1/4W
1/4W
1/8W
1W
MFP10
TO-220FI
SIP4
TP
Notes
1'st 140→75T
added 2'nd 23T

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