ISL6266 Datasheet, PDF (9/31 Pages) Intersil Corporation – Precision Two/One-phase CORE Voltage Regulator

Functional Block Diagram
ISL6266, ISL6266A
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
ULTRASONIC
DRIVER
LOGIC
TIMER
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
Vw
PHASE
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
DROOP
VO
MODE
10µA
CONTROL
-
GND
VW
COMP
FB2
FB
SOFT
PMON
VDIFF
RTN
VSEN
VO
FIGURE 1. SIMPLIFIED FUNCTIONAL BLOCK DIAGRAM OF ISL6266, ISL6266A
9
FN6398.4
August 25, 2015