ISL62881_14 Datasheet, PDF (4/35 Pages) Intersil Corporation – Single-Phase PWM Regulator for IMVP-6.5 Mobile CPUs and GPUs

ISL62881, ISL62881B
Block Diagram
VIN VSEN
PGOOD CLK_EN#
VDD
VR_ON
DPRSLPVR
RBIAS
VID0
VID1
VID2
VID3
VID4
VID5
VID6
RTN
FB
COMP
VW
IMON
ISUM+
ISUM-
MODE
CONTROL
DAC
AND
SOFT
START
PGOOD AND
CLK_EN#
LOGIC
6µA 54µA 1.20V
1.24V
FLT
PROTECTION
WOC OC
VIN
CLOCK
VDAC
COMP VW
ISL62881B
ONLY
VR_TT#
NTC
Σ
E/A
Idroop
Imon
CURRENT
SENSE
2.5X
VIN VDAC
MODULATOR
WOC
COMP
CURRENT
COMPARATORS
60µA
OC
Σ
DRIVER
SHOOT
THROUGH
PROTECTION
DRIVER
DRIVER
BOOT
UGATE
PHASE
VCCP
LGATEA
VSSP
ISL62881 ONLY
LGATEB
ADJ. OCP
THRESHOLD
COMP
ISL62881B
ONLY
GND
4
FN6924.3
June 16, 2011