ISL6522_06 Datasheet, PDF (3/15 Pages) Intersil Corporation – Buck and Synchronous Rectifier Pulse-Width Modulator (PWM) Controller

Block Diagram
ISL6522
VCC
OCSET
FB
COMP
RT
200µA
0.8V_REF
REFERENCE
POWER-ON
RESET (POR)
+
- _OVER
CURRENT
4V
SOFT-
START
10µA
+
-
ERROR
AMP
PWM
COMPARATOR
+
-
INHIBIT
PWM
GATE
CONTROL
LOGIC
OSCILLATOR
EN
SS
BOOT
UGATE
PHASE
PV_CC
LGATE
PGND
GND
3
FN9030.8
March 10, 2006