ISL78223 Datasheet, PDF (2/20 Pages) Intersil Corporation – ZVS Full-Bridge PWM Controller with Adjustable Synchronous Rectifier Control

Functional Block Diagram
VDD
GND
VREF
RESDEL
IOUT
UVLO
OVER-
TEMPERATURE
PROTECTION
4X
VREF
CT
RTD
CTBUF
SS
OSCILLATOR
SAMPLE
AND
HOLD
VREF
50%
PWM
STEERING
LOGIC
PWM
VDD
DELAY/
ADVANCE
TIMING
CONTROL
+
- 1.00V
OVERCURRENT
COMPARATOR
+70ns
LEADING
EDGE
BLANKING
OUTUL
OUTUR
OUTLL
OUTLR
OUTLLN
OUTLRN
VADJ
CS
PWM
COMPARATOR
+
-
80mV
0.33
SOFT-START
CONTROL
VREF
1mA
RAMP
+
0.6V
-
VERR
FB