SGP400 Datasheet, PDF (11/15 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
REFERENCE CIRCUIT
3W Flyback 5V/0.6A Circuit, without Secondary-Side Feedback
F1
L
L1
1
2
BD1
CX1
2-
+4
C1
R1
+
C2
C3 R3
R5 R4
T1
10
N
R2
D1
9
8
5
U4
R7
1 _{GND GATE} 6
1
Q1
2 _FB
VDD ⁵
3 _{NC SENSE} 4
7
S_SG_G6_P84₄9₀₀
R6
D4
1,2
2
1
L2
1
2
R10 C7
+
C8
+
D5
C9
3,4
VO
GND
R8
+
C4
D2
1
2
CY1
BOM
Symbol
Component
BD1 (Reference only) BD DI106 1A/600V
CX1 (Option)
YC 472pF/400V (Y1)
CY1 (Option)
YC 102pF/400V (Y1)
C1
CC 0.01µF/500V
C2
EC 10µF/400V 105°C
C3
CC 1000pF/500V
C4
EC 10µF/50V
C7 (Option)
CC 102pF/100V 1206
C8
EC 470µF/10V 105°C
C9
EC 220µF/10V 105°C
D1
Diode FRI07
D2
Diode FR102
D4
Diode SB360
D5 (Option)
ZD 6.8V/0.5W
Symbol
F1
L1
L2
Q1
R1,R2
R3,R4
R5
R6
R7
R8
R10 (Option)
T1
U4
Component
R 1Ω/0.5W
Inductor 20mH 6•8mm
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
Transformer EE-16
IC SGP400 (Green PWM IC)
© System General Corp.
Version 1.0.1 (IAO33.0084.B0)
- 11 -
www.sg.com.tw • www.fairchildsemi.com
September 24, 2007