ISL62773 Datasheet, PDF (4/37 Pages) Intersil Corporation – Multiphase PWM Regulator for AMD Fusion™ Desktop CPUs Using SVI 2.0

ISL62773
Simplified Application Circuit For Mid-Power CPUs [2+1 Configuration]
* Resistor required or ISEN1_NB
will pull HIGH if left open and
disable Channel 1.
10kW*
NBN
NBP
+5V
Ri
NTC
Cn
ISEN1_NB
ISEN2_NB
ISUMN_NB
ISUMP_NB
PWM_Y
FCCM_NB
PWM2_NB OPEN
VIN
NBP NBN
VNB
VNB_SENSE
VCORE_SENSE
VP1
VP2
VN1
VN2
µP
+5V
Ri
Cn
NTC
COMP_NB
FB_NB
IMON_NB
NTC_NB
VSEN_NB
PWROK
SVT
SVD
SVC
VDDIO
BOOTX
UGATEX
PHASEX
LGATEX
OPEN
OPEN
OPEN
OPEN
VR_HOT_L
IMON
THERMAL INDICATOR
COMP
ISL62773
NTC
FB2
FB
VSEN
RTN
ISEN1
ISEN2
ISEN3
BOOT2
UGATE2
PHASE2
LGATE2
BOOT1
VIN
VP2 VN2
VIN
ISUMN
UGATE1
PHASE1
ISUMP
LGATE1
VP1 VN1
VCORE
FIGURE 5. TYPICAL APPLICATION CIRCUIT USING RESISTOR SENSING
4
March 7, 2012
FN8263.0