ISL6548A Datasheet, PDF (3/16 Pages) Intersil Corporation – ACPI Regulator/Controller for Dual Channel DDR Memory Systems

Block Diagram
PWM4
COMP4
EA4
FB4
DRIVE2_U
FB2
P12V
EA2
DRIVE2_L
DRIVE3
FB3
P12V
EA3
180°
PHASE
SHIFT
5VSBY
P12V
S3# S5#
FB
COMP
EA1
POR
MONITOR AND CONTROL
SOFT-START & ENABLE A
SOFT-START & ENABLE B
SOFT-START & ENABLE C
ENABLE DDR_VTT
ENABLE VIDPGD
VOLTAGE
REFERENCE
0.800V
0.680V (-15%)
0.920V (+15%)
EA1 ACTIVE
IN S3
FAULT
S3
UV
UV/OV
UV
UV/OV
250kHz
OSCILLATOR
PWM
5VSBY
BOOT
UGATE
LGATE
OC
COMP _20µA
PHASE
OCSET
VTT
REG
R_L
VTTSNS
VDDQ(2)
VTT(2)
R_U
VREF_IN
VIDPGD
GND PAD
GND(2)