BW7385A Datasheet, PDF (3/9 Pages) Bruckewell Technology LTD – TM (Transition Mode) Fixed On -Time PFC Control

Function Block
Preliminary BW7385A
VCC
COMP
CS
CT
UVLO
31.5 V
Current
Limit
VCCOVP
+
-
debounce
OCP
+
-
Internal Bias & Vref
All Blocks
Vref OK
VCC OK
EN
Protection
g⁺m
VREF
-
On Time
Controller
Sawtooth
Generator
STARTER
RQ
R
S
Driver
stage
OUT
Current
Detector
GND
3