lx1692a Microsemi Corporation, lx1692a Datasheet

lx1692a

Manufacturer Part Number

lx1692a

Description

Full Bridge Resonant Ccfl Controller

Manufacturer

Microsemi Corporation

Datasheet

1.LX1692A.pdf (2 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

lx1692aIPW

Manufacturer:

MICROSEMI/美高森美

Quantity:

20 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

lx1692aIPW-TR

Manufacturer:

MSC

Quantity:

20 000

Current page: 1 of 2
Download datasheet (94Kb)

Rev. 1.1, 2/27/2006

Arc protection is provided if the arcing level is enough to be trigged.

reduced, third generation Direct Drive

CCFL (Cold Cathode Fluorescent

Lamp)

controller is optimized

CCFL’s using resonant full bridge

inverter topology.

provides near sinusoidal waveforms

over a wide supply voltage range in

order to maximize the life of CCFL

lamps, control EMI emissions, and

maximize efficiency. This new archi-

tecture also provides a wide dimming

range.

features that limit the transformer

secondary voltage and protect against

fault conditions which include open

lamp, broken lamp and short-circuit

faults.

IMPORTANT: For the most current data, consult MICROSEMI’s website:

Protected by U.S. Patents: 5,615,093; 5,923,129; 5,930,121; 6,198,234; Patents Pending

Microsemi’s LX1692A is a cost

Resonant

The

controller.

LX1692A

full

bridge

11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570

includes

The

integrated

D E S C R I P T I O N

topology

safety

drive

Note: Available in Tape & Reel. Append the letters “TR” to the

part number. (i.e. LX1692AIPW-TR)

-20 to +85

brightness

dimming, digital dimming, or combined

analog and digital dimming methods

simultaneously to achieve the widest

dimming range (> 60 to 1).

brightness control signal that is either

an analog voltage or a direct low

frequency PWM.

integrated gate drivers for the four

external power MOSFETs.

internal

simplifying supply voltage require-

ments.

Pin TSSOP.

The LX1692A regulates the CCFL

The

An integrated 4V LDO powers all

The LX1692A is available in a 20-

(°C)

P A C K A G E O R D E R I N F O

Integrated Products Division

LX1692A

control

Microsemi

http://www.microsemi.com

three

RoHS Compliant / Pb-free

circuitry

Plastic TSSOP

20-Pin

LX1692AIPW

can

Full Bridge Resonant CCFL Controller

also

ways:

features

greatly

analog

RODUCTION

For Wide Voltage Range Inverter

Application (7V to 22V)

Patent resonant strike for

unsurpassed striking power

combined with best efficiency

Low Stress to transformers

Excellent open circuit voltage

regulation reduces transformer

breakdown voltage requirements

while striking higher voltage

lamps

One inverter for multiple panel

types

Wide Dimming Range

Fool-Proof Striking

Programmable Burst Dimming

Frequency

Programmable Time Out

Protection

Fixed Operating Frequency

Open lamp voltage protection,

Short lamp protection, Arc

Protection

Compatible with Existing

Transformers

Even Display Light Distribution

Longer Lamp Life with Optimized

Lamp Current Amplitude

Reduced Operating Voltage

Lowers Corona Discharge and

Prolongs Module Life

High “Nits / Watt” Efficiency

Makes Less Heat and Brighter

Displays

Notebook PC

Analog Dimming: >3 to 1

Digital Dimming : >20 to 1

Combined: >60 to 1

ATA

K E Y F E A T U R E S

A P P L I C A T I O N S

B E N E F I T S

HEET

LX1692A

Page 1

Related parts for lx1692a

lx1692a Summary of contents

Page 1

... MOSFETs. An integrated 4V LDO powers all internal control circuitry greatly simplifying supply voltage require- ments. The LX1692A is available in a 20- Pin TSSOP. http://www.microsemi.com Plastic TSSOP PW T (°C) 20-Pin ...

Page 2

... To obtain a copy, please contact your local Microsemi sales representative. The name of your local representative can be obtained at the following link http://www.microsemi.com/contact/contactfind.asp or Contact us directly by sending an email to: IPGdatasheets@microsemi.com Be sure to specify the data sheet you are requesting and include your company name and contact information and or vcard. We look forward to hearing from you. Copyright 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 ® ...

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