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| ISL6264 Datasheet, PDF (10/24 Pages) Intersil Corporation – Two-Phase Core Controller for AMD Mobile Turion CPUs | |||
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ISL6264
Simplified Application Circuit for Resistor Current Sensing
V IN
V+5
R 12
VID<0:5>
PSI_L
SET
C8
R ofs
VR_ON
CPU_PWRGD
Remote
Sense
R2
R3
C3
C1 R1
C2
RFSET
C9
RBIAS
ISL6264
SOFT
VIDs
UGATE1
BOOT1
PHASE1
OFS
PSI_L
LGATE1
PGND1
SET
ISEN1
VO
VR_ON
PGOOD
VSEN
RTN
VDIFF
UGATE2
BOOT2
PHASE2
FB
COMP
VW
LGATE2
PGND2
ISEN2
VSUM
OCSET
VIN
C7
LO
Rsense
C6
R
CL
L
R8
ISEN2
VSUM
Cf
VIN
C8
LO
Rsense
C5
RL CL
R9
ISEN1
VSUM
VO
VSUM
R5
R4
C4
R6
RN
CCS
VO
VO
CO
FIGURE 3. ISL6264 BASED TWO-PHASE BUCK CONVERTER WITH RESISTOR CURRENT SENSING
10
FN6359.1
October 16, 2006
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