ISL6262_14 Datasheet, PDF (8/27 Pages) Intersil Corporation – Two-Phase Core Regulator for IMVP-6 Mobile CPUs

Functional Block Diagram
ISL6262
6µA
PVCC
VDD
VIN
ISEN2
ISEN1
3V3
PGOOD
CLK_EN#
PGD_IN
RBIAS
54µA
PVCC
VIN
PVCC
1.18V 1.2V
PVCC
DRIVER
LOGIC
FLT
PVCC
PVCC
ULTRA-
SONIC
TIMER
DRIVER
LOGIC
FLT
CURRENT
BALANCE
VSOFT
I_BALF
VIN
OC
MODULATOR
VSOFT
VIN
OC
MODULATOR
CH1
CH2
PGOOD
MONITOR
AND LOGIC
FLT
P_GOOD
FAULT AND
PGOOD
LOGIC
CH1 CH2
PHASE
Vw
PHASE
SEQUENCER
VO
CONTROL
VIN
LOGIC
SINGLE
PHASE
OC
VO
SOFT
-
SINGLE
PHASE
DACOUT
0.5
Vw
SINGLE
PHASE
E/A
-
VSOFT
1
1
-
-
DAC
VO
DROOP
MODE
10µA
CONTROL
-
GND
VW
COMP
FB2
FB
SOFT
VDIFF
RTN
VSEN
VO
FIGURE 1. SIMPLIFIED FUNCTION BLOCK DIAGRAM OF ISL6262
8
FN9199.2
May 15, 2006