ISL6267 Datasheet, PDF (5/33 Pages) Intersil Corporation – Multiphase PWM Regulator for AMD Fusion Mobile CPUs

ISL6267
Simplified Application Circuit Showing Resistor Sensing
NB_N
+5V
ISEN2_NB
OPEN ISEN1_NB
ISUMN_NB
ISUMP_NB
BOOT_NB
UG1_NB
PH1_NB
LG1_NB
VIN
VNB
NB_P
NB_N
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 _OPEN
BOOT1
VIN
UG1
PH1
LG1
VON
ISUMN
ISUMP
VCORE
VOP
VON
FIGURE 6. TYPICAL APPLICATION CIRCUIT USING INDUCTOR DCR SENSING
5
January 31, 2011
FN7801.0