ISL6742_14 Datasheet, PDF (2/18 Pages) Intersil Corporation – Advanced Double-Ended PWM Controller

Functional Block Diagram
VDD
GND
VREF
IOUT
UVLO
OVER-
TEMPERATURE
PROTECTION
4X
VREF
SAMPLE
AND
HOLD
CT
RTD
SS
OSCILLATOR
VREF
PWM
STEERING
LOGIC
VDD
DELAY/
ADVANCE
TIMING
CONTROL
+
- _1.00V
OVERCURRENT
COMPARATOR
+70ns
LEADING
EDGE
BLANKING
OUTA
OUTB
OUTAN
OUTBN
VADJ
CS
PWM
COMPARATOR
+
-
80mV
0.33
SOFT-START
CONTROL
VREF
1 mA
RAMP
+
0.6V
-
VERR
FB