ISL62882_14 Datasheet, PDF (5/42 Pages) Intersil Corporation – Multiphase PWM Regulator for IMVP-6.5™ Mobile CPUs and GPUs

ISL62882, ISL62882B
Block Diagram
VIN VSEN ISEN2
ISEN1 PGOOD CLK_EN#
VDD
VR_ON
PSI#
DPRSLPVR
RBIAS
VID0
VID1
VID2
VID3
VID4
VID5
VID6
RTN
FB
COMP
VW
FB2
IMON
ISUM+
ISUM-
MODE
CONTROL
DAC
AND
SOFT-
START
CURRENT
BALANCE
IBAL
PGOOD &
CLK_EN#
LOGIC
PROTECTION ^FLT
WOC OC
VIN
CLOCK
IBAL VIN VDAC
MODULATOR
VDAC
COMP VW
COMP
6µA 54µA 1.20V
1.24V
DRIVER
SHOOT THROUGH
PROTECTION
DRIVER
Σ
E/A
IDROOP
IMON
CURRENT
SENSE
2.5X
DRIVER
IBAL VIN VDAC
MODULATOR
WOC
COMP
CURRENT
COMPARATORS
NUMBER OF
OC PHASES
60µA
GAIN
SELECT
Σ
SHOOT THROUGH
PROTECTION
DRIVER
DRIVER
ADJ. OCP
THRESHOLD
COMP
VR_TT#
NTC
BOOT2
UGATE2
PHASE2
LGATE2
VSSP2
BOOT1
UGATE1
PHASE1
VCCP
LGATE1A
VSSP1
LGATE1B
GND
5
FN6890.4
June 21, 2011