SGP400 Datasheet, PDF (8/15 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
Frequency (F_OSC) vs Temperature
68
66
64
62
60
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (℃ )
Maximum Duty Cycle (D_CYMAN) vs Temperature
80
78
76
74
72
70
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (℃)
FB Pin Input Voltage (V_FB) vs Temperature
5.4
5.2
5.0
4.8
4.6
-40 -25 -10 5
20 35
50 65 80 95 110 125
Temperature (℃)
Propagation Delay (t_PD) vs Temperature
150
130
110
90
70
50
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (℃)
Current Limiting Valley Threshold Voltage (V_STHVA) vs
Temperature
1.0
VDD=18V
0.8
VDD=15V
0.6
VDD=10V
0.4
0.2
0.0
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (℃)
© System General Corp.
Version 1.0.1 (IAO33.0084.B0)
-8-
www.sg.com.tw • www.fairchildsemi.com
September 24, 2007