isl62883c Intersil Corporation, isl62883c Datasheet - Page 5

• Manufacturer Part Number: isl62883c
• Description: Multiphase Pwm Regulator For Imvp-6.5? Mobile Cpus And Gpus
• Manufacturer: Intersil Corporation

Block Diagram
DPRSLPVR
VR_ON
RBIAS
ISUM+
COMP
ISUM-
IMON
PSI#
VID0
VID1
VID2
VID3
VID4
VID5
VID6
RTN
VW
FB
CONTROL
+
_
START
SOFT-
MODE
DAC
AND
IMON
IDROOP
5
+
CURRENT
SENSE
Σ
+
VIN
+
_
VSEN
E/A
VDAC
IBAL2
IBAL3
IBAL1
VIN
COMP
2.5X
ISEN1 ISEN3 ISEN2
CLOCK
+
+
_
_
PROTECTION
WOC OC
CURRENT
BALANCE
ISL62883C
VW
WOC
CURRENT
COMPARATORS
OC
IBAL
NUMBER OF
PHASES
IBAL2 VIN VDAC
IBAL3 VIN VDAC
IBAL1 VIN VDAC
SELECT
MODULATOR
FLT
MODULATOR
MODULATOR
GAIN
PGOOD CLK_EN#
COMP
COMP
COMP
PGOOD &
CLK_EN#
LOGIC
60µA
+
Σ
+
6µA
54µA
SHOOT-THROUGH
SHOOT-THROUGH
THRESHOLD
PROTECTION
PROTECTION
ADJ. OCP
1.24V
DRIVER
DRIVER
DRIVER
DRIVER
1.20V
VDD
COMP
VR_TT#
NTC
BOOT2
UGATE2
PHASE2
LGATE2
VSSP2
PWM3
BOOT1
UGATE1
PHASE1
VCCP
LGATE1
VSSP1
GND
March 18, 2010
FN7557.1