el7585a Intersil Corporation, el7585a Datasheet

el7585a

Manufacturer Part Number

el7585a

Description

Tft-lcd Power Supply

Manufacturer

Intersil Corporation

Datasheet

1.EL7585A.pdf (19 pages)

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TFT-LCD Power Supply

The EL7585A represents a multiple output regulators for use

in all large panel, TFT-LCD applications. It features a single

boost converter with integrated 3.5A FET, two positive LDOs

for V

programmed to operate in either P-mode or PI-mode for

improved load regulation.

The EL7585A also integrates fault protection for all four

channels. Once a fault is detected, the device is latched off

until the input supply or EN is cycled. This device also

features an integrated start-up sequence for V

then V

latter requires a single external transistor. The timing of the

start-up sequence is set using an external capacitor. The

when a fault condition is detected.

The EL7585A is specified for operation over the -40°C to

+85°C temperature range.

Pinout

LOGIC

OFF

and V

output is constantly enabled, but does shut down

generation. The boost converter can be

or for V

DELB

DRVP

CDLY

LX1

LX2

LOGIC

OFF

generation, and a single negative LDO

, V

BOOST

(20 LD QFN)

TOP VIEW

EL7585A

THERMAL

PAD

, and V

Data Sheet

11 FBN

sequencing. The

CINT

VREF

PGND

BOOST,

1-888-INTERSIL or 1-888-468-3774

OFF

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Features

• 3.5A current limit FET options

• 3V to 5V input

• Up to 20V boost out

• 1% regulation on all outputs

• V

• Programmable sequence delay

• Fully fault protected

• Thermal shutdown

• Internal soft-start

• 20 Ld QFN packages

• Pb-free plus anneal available (RoHS compliant)

Applications

• LCD monitors (15”+)

• LCD-TV (up to 40”+)

• Notebook displays (up to 16”)

• Industrial/medical LCD displays

Ordering Information

NOTE: Intersil Pb-free plus anneal products employ special Pb-free

material sets; molding compounds/die attach materials and 100%

matte tin plate termination finish, which are RoHS compliant and

compatible with both SnPb and Pb-free soldering operations. Intersil

Pb-free products are MSL classified at Pb-free peak reflow

temperatures that meet or exceed the Pb-free requirements of

IPC/JEDEC J STD-020.

EL7585AILZ

(Note)

EL7585AILZ-T7

(Note)

EL7585AILZ-T13

(Note)

PART NUMBER

- V

OFF

BOOST

LOGIC

-V

All other trademarks mentioned are the property of their respective owners.

March 9, 2006

BOOST

-V

Intersil (and design) is a registered trademark of Intersil Americas Inc.

is on from start-up for EL7585A

OFF

7585AIL Z

-V

MARKING

PART

sequence control

20 Ld 4x4 QFN

(Pb-free)

20 Ld 4x4 QFN

(Pb-free)

20 Ld 4x4 QFN

(Pb-free)

PACKAGE

EL7585A

TAPE &

REEL

13”

FN7523.3

7”

MDP0046

DWG. #

PKG.

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