ISL6307A Datasheet, PDF (3/33 Pages) Intersil Corporation – Ultra-high bandwidth 6-Phase PWM Controller with 8 Bit VID Code Capable of Precision RDS(ON) or DCR Differential Current Sensing

ISL6307A
ISL6307A Block Diagram
VDIFF VR_RDY
OVP
RGND
x1
VSEN
OVP
SS
DRVEN
OFS
+200mV
OFFSET
S ^{OVP R}
DRIVE
Q
SOFT-START
AND
FAULT LOGIC
CLOCK AND
SAWTOOTH
GENERATOR
∑
∑
REF
∑
DAC
VCC
POWER-ON
RESET (POR)
0.875V
EN_VTT
0.875V
EN_PWR
THREE-STATE
FS
PWM
PWM
PWM
PWM1
PWM2
PWM3
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
COMP
FB
DYNAMIC
VID
D/A
2V
OC2
IOUT
IDROOP
∑
PWM
∑
PWM
E/A
∑
PWM
CHANNEL
CURRENT
BALANCE
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
FN9236.0
February 6, 2006