SM74202 Datasheet, PDF (6/12 Pages) Texas Instruments – 100V Current Mode PWM Controller

SM74202
SNOSBA4A – NOVEMBER 2011 – REVISED APRIL 2013
Block Diagram
7.7V SERIES
REGULATOR
VIN
VCC
UVLO
+
-
1.25V
ENABLE
LOGIC
5V
REFERENCE _1.25V
RT/SYNC
COMP
1.25V
FB
SS
UVLO
HYSTERESIS
(20 PA)
CLK
OSC
5V
5k
2R
1.4V
R
Max Duty Limit
SM74202 (50%)
PWM
+
-
LOGIC
V_CC
DRIVER
SQ
OUT
RQ
GND
CS
+
2k
0.5V ^-
SS
10 PA
SS
CLK + LEB
www.ti.com
6
Submit Documentation Feedback
Product Folder Links: SM74202
Copyright © 2011–2013, Texas Instruments Incorporated