isl62391 Intersil Corporation, isl62391 Datasheet - Page 8
isl62391
Manufacturer Part Number
isl62391
Description
High-efficiency, Triple-output System Power Supply Controller For Notebook Computers
Manufacturer
Intersil Corporation
Datasheet
1.ISL62391.pdf
(20 pages)
- Current page: 8 of 20
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Block Diagram
OCSET1/2
VOUT1/2
LDO3EN
FSET1/2
ISEN1/2
FCCM
FB1/2
EN1
EN2
*In addition to being used for regulation, VOUT2 will also provide power for PVCC when it is programmed to 5V.
V
V
REF
V
REF
FB1/2
REF
SOFT DISCHARGE
10µA
+ 16%
- 16%
SHUTDOWN
START-UP
LOGIC
AND
0.6V
8
OCP
UVP
OVP
MODULATOR
THERMAL
MONITOR
VIN
R
3
ISL62391, ISL62392
PROTECTION LOGIC
OVP/UVP/OCP/OTP
PWM
LDO
5V
4.8V
REFERENCE
BIAS AND
DRIVER
DRIVER
UGATE
LGATE
SOFT DISCHARGE
PVCC
LDO
3.3V
VOUT2*
PVCC
BOOT1/2
UGATE1/2
PHASE1/2
LGATE1/2
PGND
PGOOD
VCC
T-PAD
LDO3
December 22, 2008
FN6666.4
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