ISL6267 Datasheet, PDF (4/33 Pages) Intersil Corporation – Multiphase PWM Regulator for AMD Fusion Mobile CPUs

ISL6267
Simplified Application Circuit For Low Power CPU Core And NB
VNB1
+5V
OPEN
ISEN2_NB
ISEN1_NB
ISUMN_NB
ISUMP_NB
BOOT_NB
UG1_NB
PH1_NB
LG1_NB
VIN
NB_PH1
VNB
VNB1
optional
VW_NB
COMP_NB
NTC_NB
PWM2_NB
OPEN
VNB_SENSE
µP
FB_NB
VSEN_NB
RTN_NB
PWROK
SVD
SVC
ISL6267
PROG1
PROG2
NTC
VR_HOT
PWM3
Thermal Indicator
+5V
OPEN
+5V
OPEN
optional
ISEN1
ISEN2
ISEN3
VW
COMP
VCORE_SENSE
FB
VSEN
RTN
BOOT2
UG2
PH2
OPEN
OPEN
OPEN
LG2 OPEN
PGND2
BOOT1
UG1
OPEN
PH1
LG1
VIN
PH1
VO1
ISUMN
ISUMP
VCORE
VO1
FIGURE 5. TYPICAL APPLICATION CIRCUIT USING INDUCTOR DCR SENSING
4
January 31, 2011
FN7801.0