ISL6525 Datasheet, PDF (2/11 Pages) Intersil Corporation – Buck and Synchronous-Rectifier Pulse-Width Modulator (PWM) Controller

ISL6525
Typical Application
12V
VCC
+5V OR +12V
OCSET
SS
MONITOR AND
PROTECTION
BOOT
RT
OSC
UGATE
PHASE
ISL6525
+V_O
REF
PVCC +12V
-
FB
+
+
-
LGATE
PGND
COMP
GND
Block Diagram
OCSET
FB
COMP
RT
VCC
REFERENCE
110%
+
-
POWER-ON
RESET (POR)
90%
+
-
VCC _10µA
10µA
200µA
+_{- OVER-}
CURRENT
4V
SOFT-
START
DACOUT
+
-
ERROR
AMP
PWM
COMPARATOR
+
-
INHIBIT
PWM
GATE
CONTROL
LOGIC
OSCILLATOR
DELAY
PGOOD
SS
BOOT
UGATE
PHASE
LGATE
PGND
GND
2