ISL6326B Datasheet, PDF (5/30 Pages) Intersil Corporation – 4-Phase PWM Controller with 8-Bit DAC Code Capable of Precision DCR Differential Current Sensing

ISL6326B
Typical Application - 4-Phase Buck Converter with External Thermal Compensation
NTC
o_C
+5V
VTT
VR_RDY
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
VRSEL
VR_FAN
VR_HOT
VIN
FB COMP VCC DAC
REF
VDIFF
VSEN
RGND
EN_VTT
ISEN1+
ISEN1-
PWM1
ISL6326B
PWM3
ISEN3-
ISEN3+
ISEN2+
ISEN2-
PWM2
EN_PWR
GND
IOUT
PWM4
ISEN4-
ISEN4+
TCOMP
TM OFS FS SS
+5V
NTC
+12V
VCC
VIN
BOOT1
UGATE1
PHASE1
GND
LGATE1
ISL6614
PVCC
5V
To
DRIVER BOOT2 ^{12V VIN}
PWM1
UGATE2
PHASE2
PWM2
LGATE2
PGND
+12V
VCC
VIN
BOOT1
UGATE1
PHASE1
GND
LGATE1
ISL6614
DRIVER
PVCC
5V
To
12V ^VIN
BOOT2
PWM1
UGATE2
PHASE2
PWM2
LGATE2
PGND
uP
LOAD
5
FN9286.0
April 21, 2006