ISL6237 Datasheet, PDF (24/35 Pages) Intersil Corporation – High-Efficiency, Quad-Output, Main Power Supply Controllers for Notebook Computers

ISL6237
TON
SKIP
BOOT1
UGATE1
PHASE1
PVCC
LGATE1
GND
ILIM1
FB1
OUT1
BYP
SMPS1
SYNCHRONOUS
PWM BUCK
CONTROLLER
EN1
POK1
OUT1
SW THRESHOLD
SMPS2
SYNCHRONOUS
PWM BUCK
CONTROLLER
EN2
POK2
OUT2
BOOT2
UGATE2
PVCC
PHASE2
LGATE2
PGND
ILIM2
REFIN2
OUT2
POK2
LDO
LDOREFIN
VIN
EN_LDO
EN1
EN2
LDO
POWER-ON
SEQUENCE
CLEAR FAULT
LATCH
POK1
INTERNAL
LOGIC
VCC
10Ω
PVCC
TTHHEERRMMAALL
SSHHUUTTDDOOWWNN
REF
REF
FIGURE 65. DETAILED FUNCTIONAL DIAGRAM ISL6237
24
FN6418.4
March 18, 2008