ISL6377 Datasheet, PDF (3/36 Pages) Intersil Corporation – Multiphase PWM Regulator for AMD Fusion™ Desktop CPUs Using SVI 2.0

ISL6377
Simplified Application Circuit with 3 Internal Drivers Used for Core
+12V
NB_PH1
NB_PH2
VNB1
VNB2
NB_PH1
NB_PH2
Ri
Cn _NTC
ISEN1_NB
ISEN2_NB
ISUMN_NB
ISUMP_NB
PWM_Y
FCCM_NB
*
*
*OPTIONAL
VNB_SENSE
THERMAL INDICATOR
µP
COMP_NB
FB_NB
VSEN_NB
PWM2_NB
IMON_NB
NTC_NB
VR_HOT_L
PWROK
SVT
SVD
SVC
VDDIO
IMON
NTC
COMP
ISL6377
PWM4
BOOTX
UGATEX
PHASEX
LGATEX
NB_PH1
VNB
VNB1
+12V
NB_PH2
VNB2
+12V
PH4
V04
+12V
PH3
V03
*
*
*OPTIONAL
VCORE_SENSE
PH1
PH2
PH3
PH4
VO1
VO2
VO3
VO4
Ri
Cn
NTC
FB
VSEN
RTN
ISEN1
ISEN2
ISEN3
ISEN4
ISUMN
ISUMP
BOOT2
UGATE2
PHASE2
LGATE2
BOOT1
UGATE1
PHASE1
LGATE1
+12V
VCORE
PH2
+12V
VO2
PH1
VO1
FIGURE 4. TYPICAL APPLICATION CIRCUIT USING INDUCTOR DCR SENSING
3
FN8336.0
August 6, 2012