ISL6265A Datasheet, PDF (2/23 Pages) Intersil Corporation – Multi-Output Controller with Integrated MOSFET Drivers for AMD SVI Capable Mobile CPUs

ISL6265A
Function Block Diagram
SVC
SVD
PWROK
OFS/FIXEN
RTN_NB VSEN_NB
FB_NB
COMP_NB FSET_NB
VNB
I_{FSET_NB}
PVCC
1
1.5kΩ
NO DROOP
PSI_L
I_OFS
VREF_NB
VREF0
VREF1
3.0kΩ
E/A
VREF_NB
FLT
MODULATOR
NB
VIN
MOSFET
DRIVER
SHOOT-THRU
PROTECTION
DE MODE
PSI_L
OCSET_NB
OCSET
RBIAS
VW0
COMP0
FB0
VDIFF0
VSEN0
RTN0
ISP0
ISN0
ISP1
ISN1
VSEN1
RTN1
VDIFF1
FAULT
PROTECTION
FLT
VNB
V0
V1
ISEN0
ISEN1
RTN1
POWER-ON
RESET AND
SOFT-START
LOGIC
MODE
I_VW0
PVCC
I_OFS
V0
1
∑
NO
DROOP
CURRENT
SENSE
MODE
E/A
VREF0
VIN
ISEN0
MODE
ISEN1
CURRENT
BALANCE
CURRENT
SENSE
NO
DROOP
V1
1
∑
VREF1
MODE
E/A
I_OFS
FLT
MOSFET
DRIVER
SHOOT-THRU
PROTECTION
DE MODE
MODULATOR
CORE
PSI_L
PVCC
FLT
MOSFET
DRIVER
SHOOT-THRU
PROTECTION
DE MODE
I_VW1
PSI_L
FB1
COMP1 VW1
FIGURE 1. SIMPLIFIED FUNCTION BLOCK DIAGRAM OF ISL6265A
BOOT_NB
UGATE_NB
PHASE_NB
LGATE_NB
PGND_NB
PVCC
VCC
ENABLE
PGOOD
GND
VIN
BOOT0
UGATE0
PHASE0
LGATE0
PGND0
BOOT1
UGATE1
PHASE1
LGATE1
PGND1
2
FN6884.0
May 11, 2009