ISL6537 INTERSIL [Intersil Corporation], ISL6537 Datasheet - Page 3

• Manufacturer Part Number: ISL6537
• Description: ACPI Regulator/Controller for Dual Channel DDR Memory Systems
• Manufacturer: INTERSIL [Intersil Corporation]

Simplified Power System Diagram
Typical Application
V
GMCH
V
TT_GMCH/CPU
V
GMCH
V
DDQ_DDR
Q3
Q4
V
TT_GMCH/CPU
+
Q5
Q3
Q4
V
DDQ
3
+
R5
Q5
R7
SLP_S5
SLP_S3
SLP_S3
SLP_S5
R6
R8
VIDPGD
S5#
S3#
DRIVE4
FB4
REFADJ4
DRIVE3
FB3
DRIVE2
FB2
CONTROLLER
CONTROLLER
TWO STAGE
SLEEP
STATE
LOGIC
LINEAR
LINEAR
GND
5VSBY
ISL6537
5VSBY
ISL6537
DDR_VDDQ(x2)
DDR_VTTSNS
12V
DDR_VTT(x2)
CONTROLLER
REGULATOR
VREF_OUT
12V
VREF_IN
ISL6537
PWM
OCSET
UGATE
PHASE
LGATE
VTT
COMP
BOOT
FB
R2
C
BOOT
R
OCSET
C1
R4
D
C2
BOOT
5VDUAL
Q1
Q2
5VDUAL
R1
R3
Q1
Q2
C3
+
+
V
DDQ
V
V
REF
TT
V
V
+
TT_DDR
DDQ_DDR
V
REF
July 18, 2007
FN9142.6