ISL6336B Datasheet, PDF (4/31 Pages) Intersil Corporation – 6-Phase PWM Controller with Light Load Efficiency Enhancement and Current Monitoring

ISL6336B
ISL6336B Block Diagram
VDIFF VR_RDY OVP H_CPURST_N PSI# APA
VCC
RGND
VSEN
x1
OVP
+175mV
S ^OVP R
DRIVE
Q
POWER-ON
RESET (POR)
SOFT-START
AND
FAULT LOGIC
CLOCK,
RAMP GENERATOR,
APA CONTROL
TRI-STATE
0.875V
EN_VTT
0.875V
EN_PWR
FS
SS
APP AND APA
PWM1
MODULATOR
OFS
REF
DAC
OFFSET
APP AND APA
MODULATOR
APP AND APA
MODULATOR
PWM2
PWM3
VID7
VID6
VID5
VID4
VID3
VID2
VID1
VID0
COMP
FB
DYNAMIC
VID
DAC
1.12V
OC2
IMON
1.12V
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
4
VR_HOT
TEMPERATURE
COMPENSATION
GAIN
TCOMP
PWM4
PWM5
PWM6
ISEN1+
ISEN1-
ISEN2+
ISEN2-
ISEN3+
ISEN3-
ISEN4+
ISEN4-
ISEN5+
ISEN5-
ISEN6+
ISEN6-
FN6696.2
August 31, 2010