ISL6353_14 Datasheet, PDF (3/30 Pages) Intersil Corporation – Multiphase PWM Regulator for VR12 DDR Memory Systems

ISL6353
Block Diagram
VR_ON PSI
VREADY
SDA
ALERT#
SCLK
VSET1
VSET2
ADDR
PROG1
PROG2
A/D
DIGITAL
INTERFACE
D/A
IMAX
VBOOT
TMAX
DROOP
# OF PHASES FOR PS1
SET (A/D)
PROG
PROG
T_MONITOR
IMON
DAC
IBAL
POWER-ON RESET
(POR)
PHASE CURRENT
BALANCE
NTC
VR_HOT#
TEMP MONITOR
T_MONITOR
DRIVER
VW
RTN
FB2
FB
DAC
+
?
+
+
E/A
-
COMP
DROOP
R³
MODULATOR
DRIVER
DRIVER
ISUMP
+
ISUMN
-
IMON
CURRENT
SENSE
OC AND WOC
PROTECTION
OV PROTECTION
DRIVER
VDD
ISEN1
ISEN2
ISEN3
VIN
BOOT2
UG2
PH2
LG2
GND
PWM3
BOOT1
UG1
PH1
VDDP
LG1
GND
PGOOD
VSEN
OVP
3
September 15, 2011
FN6897.0