isl6548a Intersil Corporation, isl6548a Datasheet - Page 4

• Manufacturer Part Number: isl6548a
• Description: Acpi Regulator/controller For Dual Channel Ddr Memory Systems
• Manufacturer: Intersil Corporation

Simplified Power System Diagram
Typical Application
V
V
GMCH
TT_GMCH/CPU
V
TT_GMCH/CPU
V
GMCH
+
+
3V3ATX
Q3
Q4
Q5
Q6
Q6
C7
Q5
ATX3V3
Q3
R5
Q4
R7
4
3VDUAL
R9
R9
SLP_S3
SLP_S5
SLP_S5
SLP_S3
R8
C5
C6
R10
R6
VIDPGD
S5#
S3#
PWM4
COMP4
FB4
DRIVE2_U
FB2
DRIVE2_L
CONTROLLER
CONTROLLER
SLEEP
STATE
LOGIC
LINEAR
PWM
5VSBY
ISL6548A
5VSBY
ISL6548A
DDR_VDDQ(x2)
CONTROLLER
CONTROLLER
DDR_VTTSNS
12V
DDR_VTT(x2)
REGULATOR
ISL6548A
12V
LINEAR
PWM
VREF_IN
VTT
DRIVE3
OCSET
UGATE
PHASE
LGATE
COMP
BOOT
FB3
FB
R2
R12
C
3V3ATX or V
BOOT
R
OCSET
C2
C1
D
BOOT
5VDUAL
R4
R11
ATX3V3 or V
GMCH
Q1
Q2
5VDUAL
R1
Q7
R3
Q1
Q2
Q7
GMCH
+
+
C3
V
V
DDQ
ICH7
V
V
+
TT_DDR
V
DDQ_DDR
January 3, 2006
+
ICH7
V
V
FN9189.2
REF
TT