isl6306 Intersil Corporation, isl6306 Datasheet - Page 3

• Manufacturer Part Number: isl6306
• Description: 4-phase Pwm Controller With 8-bit Dac Code Capable Of Precision Rds On Or Dcr Differential Current Sensing
• Manufacturer: Intersil Corporation

ISL6306CR Block Diagram
VR_HOT
VR_FAN
IDROOP
VRSEL
COMP
RGND
VSEN
VID1
VID7
VID6
VID5
VID4
VID3
VID2
VID0
DAC
OFS
REF
SS
FB
MONITORING
OFFSET
THERMAL
DYNAMIC
+175mV
TM
OVP
D/A
VID
x1
3
VDIFF VR_RDY
FAULT LOGIC
SOFT-START
AND
E/A
COMPENSATION
OC
THERMAL
TCOMP
GAIN
I_AVG
I_TRIP
1
N
∑
ISL6306
∑
∑
GENERATOR
CLOCK AND
SAWTOOTH
∑
∑
GND
CHANNEL
CURRENT
BALANCE
PWM
PWM
PWM
PWM
RESET (POR)
POWER-ON
COMPENSATION
VCC
TEMPERATURE
CHANNEL
DETECT
THREE-STATE
CURRENT
CHANNEL
SENSE
0.875V
0.875V
December 8, 2006
EN_VTT
EN_PWR
FS
PWM1
PWM2
PWM3
PWM4
ISEN1+
ISEN1-
ISEN2+
ISEN2-
ISEN3+
ISEN3-
ISEN4+
ISEN4-
FN9226.1