SGP400 Datasheet, PDF (12/15 Pages) Fairchild Semiconductor – Low-Power Green-Mode PWM Flyback Power Controller without Secondary Feedback

Product Specification
Low-Power Green-Mode PWM Flyback Power Controller without Secondary Feedback
SGP400
3W Flyback 5V/0.6A Circuit, with Secondary-Side Feedback
F1
L
L1
1
2
2^-
BD1
+₄
+
C1
+
C2
C3
R3
R5
R4
T1
D4
L2
N
R1
10
1,2
2
1
1
2
Vo
D1
9
8
5
R7
Q1
1
R10
C7
+ C8
D5
+ C9
U1
SG6849
1 _{GND GATE} 6
2 _FB
VDD ⁵
C6
3 _{NC SENSE} 4
SGP400
7
R6
R2
R8
D2
1
2
+ C4
3,4
R11
GND
U2
4
1
3
2
R13
R14
CY1
C10
U3
1
R12
BOM
Symbol
Component
BD1 (Reference only) BD DI106 1A/600V
CY1
(Option) YC 102p/400V
C1
CC 0.01µF/500V
C2
EC 10µF/400V 105°C
C3
CC 1000p/500V
C4
EC 10µ/50V
C6
CC 472p/0805
C7
CC 102p/100V 1206
C8
EC 470µ/10V 105°C
C9
EC 470µ/10V 105°C
C10
CC 222p/0805
D1
Diode FR107
D2
Diode FR102
D4
Diode SB360
D5
(Option) ZD 6.8V/0.5W
F1
R 1Ω/0.5W Resistor
L1
Inductor 20mH 6*8mm
Symbol
L2
Q1
R1,R2
R4,R3
R5
R6
R7
R10
R8
R11
R12
R13
R14
T1
U1
U2
U3
Component
Inductor 10µH 6mm
MOSFET 1A/600V
R 750kΩ/1206
R 47kΩ/1206
R 47Ω/1206
R 4.7Ω/0.5W
R 100Ω/0805
R 10Ω/1206
R 10Ω/1206
R 100Ω/ 1/8W
R 33kΩ/0805
R 33kΩ/ 1/8W
R 4.7kΩ/0805
Transformer EE-16
IC SGP400 (Green PWM IC)
IC PC817
IC TL431
© System General Corp.
Version 1.0.1 (IAO33.0084.B0)
- 12 -
www.sg.com.tw • www.fairchildsemi.com
September 24, 2007