ISL6526-A Datasheet, PDF (5/18 Pages) Intersil Corporation – Operates from 3.3V to 5V Input

Block Diagram
VCC
ISL6526, ISL6526A
CPVOUT
CT1
CT2
CPGND
OCSET
CHARGE
PUMP
20µA
+
-
OC
COMPARATOR
POWER-ON
RESET (POR)
SOFT-START
+
0.8V
-
ERROR
AMP
+
-
PWM
COMPARATOR
+
-
GATE
CONTROL
PWM ^LOGIC
FB
COMP
OSCILLATOR
FIXED 300kHz OR 600kHz
GND
ENABLE
BOOT
UGATE
PHASE
LGATE
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5
FN9055.12
September 30, 2015