ISL6537 Datasheet, PDF (2/15 Pages) Intersil Corporation – ACPI Regulator/Controller for Dual Channel DDR Memory Systems

Block Diagram
DRIVE4
FB4
REFADJ4
DRIVE3
FB3
DRIVE2
FB2
P12V
EA4
P12V
EA3
P12V
EA2
5VSBY
P12V
VDDQ
RGU
GMCH DUAL LDO
RGL
POR
S3# S5#
FB
COMP
EA1
PWM
5VSBY
MONITOR AND CONTROL
SOFT-START & ENABLE A
SOFT-START & ENABLE B
SOFT-START & ENABLE C
ENABLE VIDPGD
ENABLE DDR_VTT
FAULT
VOLTAGE
REFERENCE
0.800V
S3
0.680V (-15%)
0.920V (+15%)
UV/OV
UV
UV
UV/OV
OSCILLATOR
250kHz
OC
COMP
20µA
VTT
REG
RU
RL
BOOT
UGATE
LGATE
PHASE
OCSET
VTTSNS
VDDQ(2)
VTT(2)
VREF_IN
VREF_OUT
VIDPGD
GND PAD
GND(2)