SGP400 Datasheet, PDF (6/15 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
Output Section
Symbol Parameter
DCYMAX
VGATE-L
VGATE-H
tr
Maximum Duty Cycle
GATE Low Voltage
GATE High Voltage
GATE Rising Time
tf
GATE Falling Time
VGATE-CLAMP GATE Output Clamping Voltage
Test Condition
VDD=15V, IO=10mA
VDD=15V, IO=-10mA
VDD=15V, CL=1nF
VDD=15V, CL=1nF
VDD=20V
Min.
70
8
150
70
16
Typ.
75
200
90
17
Max.
80
1.5
250
110
18
Unit
%
V
V
ns
ns
V
Over-Temperature Protection (OTP)
Symbol
Temp-OTP
Temp-Restart
Parameter
Protection Junction Temperature^*
Restart Junction Temperature^**
Test Condition Min.
Typ.
140
110
Max. Unit
°C
°C
* When activated, the output is disabled and the latch is turned off.
** The threshold temperature for enabling the output and resetting the latch after over-temperature protection has
been activated.
© System General Corp.
Version 1.0.1 (IAO33.0084.B0)
-6-
www.sg.com.tw • www.fairchildsemi.com
September 24, 2007