ISL6326 Datasheet, PDF (5/30 Pages) Intersil Corporation – 4-Phase PWM Controller with 8-Bit DAC Code Capable of Precision rDS ON or DCR Differential Current Sensing

ISL6326
Typical Application - 4-Phase Buck Converter with Integrated Temperature Compensation
+5V
VTT
VR_RDY
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
VRSEL
VR_FAN
VR_HOT
VIN
FB
COMP VCC
DAC
IDROOP
REF
VDIFF
VSEN
RGND
EN_VTT
ISEN1+
ISEN1-
PWM1
ISL6326
PWM3
ISEN3-
ISEN3+
ISEN2+
ISEN2-
PWM2
EN_PWR
GND
ISL6614
PWM4
ISEN4-
ISEN4+
TCOMP
TM OFS FS SS
+5V
+5V
NTC
+12V
VCC
VIN
BOOT1
GND
UGATE1
PHASE1
LGATE1
ISL6614 _PVCC
5V
TO
DRIVER
12V ^VIN
BOOT2
PWM1
UGATE2
PHASE2
PWM2
LGATE2
PGND
+12V
VCC
VIN
BOOT1
GND
ISL6614
DRIVER
UGATE1
PHASE1
LGATE1
5V
PVCC
To
12V ^VIN
BOOT2
PWM1
UGATE2
PHASE2
PWM2
LGATE2
PGND
µP
LOAD
5
FN9262.1
May 5, 2008