ISL6262A_14 Datasheet, PDF (8/28 Pages) Intersil Corporation – Two-Phase Core Controller(Santa Rosa, IMVP-6+)

Functional Block Diagram
ISL6262A
6µA
PVCC
VDD
VIN
ISEN2
ISEN1
3V3
PGOOD
CLK_EN#
RBIAS
54µA
PVCC
VIN
1.2V
PVCC
1.24V
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
0.66
Vw
SINGLE
PHASE
E/A
-
VSOFT
1
1
-
-
DAC
VO
DROOP
MODE
10µA
CONTROL
-
GND
VW
COMP
FB2
FB
SOFT
PMON
VDIFF
RTN
VSEN
VO
FIGURE 1. SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM OF ISL6262A
8
FN6343.1
December 23, 2008