ISL6554 Datasheet, PDF (5/16 Pages) Intersil Corporation – Microprocessor CORE Voltage Regulator Using Multi-Phase Buck PWM Control Without Programmable Droop

ISL6554
Typical Application - 4 Phase Converter Using HIP6602 Gate Drivers
+12V
VCC
BOOT1
V_IN = +12V
UGATE1
L₀₁
PHASE1
+5V
LGATE1
FB
VSEN
COMP
VCC
ISEN1
PGOOD
PWM1
VID4
PWM2
VID3
ISEN2
MAIN
VID2 _CONTROL
VID1 ^ISL6554
DUAL
DRIVER
HIP6602
PVCC
+5V
BOOT2
V_IN +12V
UGATE2
L₀₂
PWM1
PHASE2
PWM2
LGATE2
GND
VID0
FS/DIS
ISEN3
PWM3
PWM4
+12V
BOOT3
V_IN+12V
GND ISEN4
UGATE3
L₀₃
VCC
PHASE3
LGATE3
DUAL
DRIVER
HIP6602
PVCC
+5V
BOOT4
V_IN +12V
UGATE4
L₀₄
PWM3
PHASE4
PWM4
LGATE4
GND
+V_CORE
5
FN9003.3
February 11, 2005