HIP6012_04 Datasheet, PDF (2/12 Pages) Intersil Corporation – Buck and Synchronous-Rectifier Pulse-Width Modulator (PWM) Controller

HIP6012
Typical Application
12V
VCC
+5V OR +12V
OCSET
SS
MONITOR AND
PROTECTION
EN
BOOT
RT
OSC
UGATE
PHASE
HIP6012
+V_O
REF
PVCC ^+12V
-
FB
+
+
-
LGATE
PGND
COMP
GND
Block Diagram
VCC
OCSET
FB
COMP
RT
200µA
POWER-ON
RESET (POR)
+
- _OVER-
CURRENT
4V
SOFT-
START
10µA
1.27 VREF
REFERENCE
+
-
ERROR
AMP
PWM
COMPARATOR
+
-
INHIBIT
PWM
GATE
CONTROL
LOGIC
OSCILLATOR
EN
SS
BOOT
UGATE
PHASE
PVCC
LGATE
PGND
GND
2
FN4324.2
December 27, 2004