ISL6377 Datasheet, PDF (2/36 Pages) Intersil Corporation – Multiphase PWM Regulator for AMD Fusion™ Desktop CPUs Using SVI 2.0

ISL6377
Simplified Application Circuit for High Power CPU Core
NB_PH1
NB_PH2
VNB1
VNB2
NB_PH1
NB_PH2
Ri
Cn
NTC
ISEN1_NB
ISEN2_NB
ISUMN_NB
ISUMP_NB
COMP_NB
BOOTX
UGATEX
PHASEX
LGATEX
FCCM_NB
*
*
*OPTIONAL
VNB_SENSE
THERMAL INDICATOR
µP
FB_NB
VSEN_NB
PWM2_NB
IMON_NB
NTC_NB
VR_HOT_L
PWROK
SVT
SVD
SVC
VDDIO
IMON
NTC
COMP
ISL6377
PWM4
PWM_Y
*
*
*OPTIONAL
VCORE_SENSE
PH1
PH2
PH3
PH4
VO1
VO2
VO3
VO4
FB
VSEN
RTN
ISEN1
ISEN2
ISEN3
ISEN4
Ri
Cn
NTC
ISUMN
ISUMP
BOOT2
UGATE2
PHASE2
LGATE2
BOOT1
UGATE1
PHASE1
LGATE1
+12V
NB_PH1
+12V
VNB1
VNB
NB_PH2
VNB2
+12V
PH4
+12V
VO4
PH3
+12V
VO3
VCORE
PH2
+12V
VO2
PH1
VO1
FIGURE 3. TYPICAL APPLICATION CIRCUIT USING INDUCTOR DCR SENSING
2
FN8336.0
August 6, 2012