ISL6316 Datasheet, PDF (3/29 Pages) Intersil Corporation – Enhanced 4-Phase PWM Controller with 6-Bit VID Code Capable of Precision RDS(ON) or DCR Differential Current Sensing for VR10 Application

ISL6316CR Block Diagram
VDIFF PGOOD
RGND
x1
VSEN
OVP
+175mV
SS
SOFT-START
AND
FAULT LOGIC
ISL6316
VCC
POWER-ON
RESET (POR)
0.9V
0.9V
CLOCK AND
SAWTOOTH
GENERATOR
∑
PWM
THREE-STATE
EN_VTT
EN_PWR
FS
PWM1
OFS
REF
DAC
OFFSET
VID5
VID4
VID3
VID2
VID1
VID0
COMP
FB
IDROOP
DYNAMIC
VID
D/A
VR_HOT
VR_FAN
THERMAL
MONITORING
TM
∑
PWM
PWM2
∑
PWM
PWM3
∑
PWM
E/A
CHANNEL
CURRENT
BALANCE
CHANNEL
DETECT
I_TRIP
OC
1_∑
N
I_AVG
THERMAL
COMPENSATION
GAIN
TEMPERATURE
COMPENSATION
CHANNEL
CURRENT
SENSE
PWM4
ISEN1+
ISEN1-
ISEN2+
ISEN2-
ISEN3+
ISEN3-
ISEN4+
ISEN4-
TCOMP
GND
NC
NC
3
FN9227.0
August 31, 2005