ISL6611A_13 Datasheet, PDF (6/14 Pages) Intersil Corporation – Phase Doubler with Integrated Drivers and Phase Shedding Function

ISL6611A
Typical Application II (4-Phase Controller to 8-Phase Operation)
+5V
VR_RDY
VID
FB
COMP
PWM1
VSEN
V_CC
ISEN1-
EN
ISEN1+
MAIN
CONTROL
ISL63xx
PWM2
FS
ISEN2-
ISEN2+
PWM3
ISEN3-
ISEN3+
PWM4
GND
ISEN4-
ISEN4+
SYNC
+5V
+5V
VCC & PVCC
EN_PH
SYNC
PWM
ISL6611A
IGAIN
GND & PGND
BOOTA
UGATEA
PHASEA
LGATEA
BOOTB
UGATEB
PHASEB
LGATEB
+12V
+12V
+5V
EN_PH2
VCC & PVCC ^BOOTA
+12V
EN_PH
SYNC
UGATEA
PHASEA
LGATEA
PWM
BOOTB
+12V
ISL6611A
UGATEB
PHASEB
LGATEB
IGAIN
GND & PGND
+5V
EN_PH3
VCC & PVCC
EN_PH
SYNC
BOOTA
UGATEA
PHASEA
LGATEA
PWM
ISL6611A
IGAIN
GND & PGND
BOOTB
UGATEB
PHASEB
LGATEB
+12V
+12V
+5V
EN_PH4
VCC & PVCC ^BOOTA
+12V
EN_PH
SYNC
UGATEA
PHASEA
LGATEA
PWM
ISL6611A
BOOTB ^+12V
UGATEB
PHASEB
LGATEB
IGAIN
GND & PGND
6
+V_CORE
FN6881.1
August 28, 2012