ISL6327 Datasheet, PDF (3/30 Pages) Intersil Corporation – Enhanced 6-Phase PWM Controller with 8-Bit VID Code and Differential Inductor DCR or Resistor Current Sensing

ISL6327
ISL6327 Block Diagram
VDIFF VR_RDY
OVP
VCC
RGND
x1
VSEN
OVP
+175mV
S ^{OVP R}
DRIVE
Q
SOFT-START
AND
FAULT LOGIC
CLOCK AND
RAMP
GENERATOR
POWER-ON
RESET (POR)
0.875V
EN_VTT
0.875V
EN_PWR
THREE-STATE
FS
SS
APP and APA
PWM1
MODULATOR
OFS
REF
DAC
VRSEL
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
COMP
FB
OFFSET
DYNAMIC
VID
D/A
2V
OC2
IOUT
IDROOP
APP and APA
MODULATOR
PWM2
APP and APA
MODULATOR
PWM3
APP and APA
MODULATOR
APP and APA
MODULATOR
E/A
APP and APA
MODULATOR
CHANNEL CURRENT
BALANCE AND
CURRENT LIMIT
CHANNEL
DETECT
I_TRIP
OC1
1_∑
N
I_TOT
TEMPERATURE
COMPENSATION
CHANNEL
CURRENT
SENSE
THERMAL
MONITORING
GND
TM VR_FAN VR_HOT
TEMPERATURE
COMPENSATION
GAIN
TCOMP
PWM4
PWM5
PWM6
ISEN1+
ISEN1-
ISEN2+
ISEN2-
ISEN3+
ISEN3-
ISEN4+
ISEN4-
ISEN5+
ISEN5-
ISEN6+
ISEN6-
3
FN9276.2
December 20, 2006