ISL6271A(2015) View Datasheet(PDF) - Intersil
Part Name
Description
Manufacturer
ISL6271A Datasheet PDF : 17 Pages
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Regulator Block Diagram
ISL6271A
LVCC
EN
PVCC
SCL (VID 0)
SDA (VID 1)
VID2
VID3
VIDEN
LDO1
LDO2
I2C
&
STATIC
VID
LOGIC
DAC
SWITCHING
REGULATOR
FIGURE 1. BULVERDE POWER CONTROLLER
VSRAM
(VCC_SRAM)
VPLL
(VCC_PLL)
VOUT
(VCC_VCORE)
Functional Block Diagram
VIDEN
PGOOD BFLT#
BBAT
VCC 1.1V VSRAM 1.3V VPLL
SCL/VID0
SDA/VID1
VID2
VID3
EN
SOFT
CSS
FB
I2C
OV
UV OT
POR
TEMP
MONITOR
LDO1 AND LDO2
OVERCURRENT
DETECT
DAC
VOUT VCC_CORE OV
MONITOR UV
+
- CMP
GATE
DRIVE
LOGIC
ERROR
AMP
+
-
RIPPLE
AMP
+
C RP
-
GATE
DRIVE
&
ZERO
CURRENT
DETECT
50
RC CC
RCOMP
RRP
GND
RING DAMPING CIRCUIT
VOUT
FIGURE 2. FUNCTIONAL BLOCK DIAGRAM
LVCC
PVCC
CIN
Lo
PHASE
PGND
1.8V TO 5.5V
2.6V TO 5.5V
VOUT
COUT
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FN9171.2
August 10, 2015
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