ISL62391IRTZ datasheet(8/20 Pages) INTERSIL

Part #	ISL62391IRTZ

Description	High-Efficiency, Triple-Output System Power Supply Controller for Notebook Computers

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Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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8 / 20 page

8

FN6666.4

December 22, 2008

Block Diagram

VREF

0.6V

R

3

MODULATOR

FSET1/2

FB1/2

UGATE

DRIVER

LGATE

DRIVER

PWM

VIN

VOUT1/2

BOOT1/2

SOFT DISCHARGE

PVCC

PGND

LGATE1/2

PHASE1/2

UGATE1/2

FCCM

5V

LDO

START-UP

AND

SHUTDOWN

LOGIC

EN1

LDO3EN

EN2

OCSET1/2

ISEN1/2

10µA

OCP

PROTECTION LOGIC

OVP/UVP/OCP/OTP

PGOOD

VREF + 16%

VREF - 16%

OVP

UVP

FB1/2

THERMAL

MONITOR

3.3V

LDO

PVCC

LDO3

SOFT DISCHARGE

4.8V

VOUT2*

VCC

BIAS AND

REFERENCE

T-PAD

*In addition to being used for regulation, VOUT2 will also provide power for PVCC when it is programmed to 5V.

ISL62391, ISL62392

Similar Part No. - ISL62391IRTZ

Manufacturer	Part #	Datasheet	Description
Intersil Corporation	ISL62391IRTZ	654Kb / 20P	High-Efficiency, Triple-Output System Power Supply Controller
Renesas Technology Corp	ISL62391IRTZ	1Mb / 22P	High-Efficiency, Triple-Output System Power Supply Controller for Notebook Computers

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Manufacturer	Part #	Datasheet	Description
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