lx1692b Microsemi Corporation, lx1692b Datasheet

lx1692b

Manufacturer Part Number

lx1692b

Description

Full Bridge Resonant Ccfl Controller

Manufacturer

Microsemi Corporation

Datasheet

1.LX1692B.pdf (13 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

BOSTOCK HK LIMITED

Part Number:

lx1692bIDW

Manufacturer:

MSC

Quantity:

1 000

Company:

BOSTOCK HK LIMITED

Part Number:

lx1692bIDW-TR

Manufacturer:

MICROSEMI

Quantity:

1 000

Company:

Meier Automation Equipment Co., Limited

Part Number:

lx1692bIDW-TR

Manufacturer:

MICROSEMI/美高森美

Quantity:

20 000

Current page: 1 of 13
Download datasheet (301Kb)

Rev. 1.1, 12/20/2006

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

reduced, third generation CCFL (Cold

Cathode Fluorescent Lamp) controller.

The integrated controller is optimized

to drive 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; 7,112,929; Patents Pending

Microsemi’s LX1692B is a cost

Resonant

The

LX1692B

C_R

I_R

C_BST

C_TO

BRITE_IN

EA_OUT

full

Part

bridge

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

includes

ISNS

Note: Available in Tape & Reel. Append the letters “TR” to the part number. (i.e. LX1692BIPW-TR)

-20 to +85

P R O D U C T H I G H L I G H T

(°C)

D E S C R I P T I O N

topology

SUPPLY

safety

DUAL

FET

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 low frequency

PWM.

integrated gate drivers for the four

external power MOSFETs.

internal

simplifying supply voltage require-

ments.

Pin TSSOP and SOIC.

RoHS Compliant / Pb-free

The LX1692B regulates the CCFL

The

An integrated 4V LDO powers all

The LX1692B is available in a 20-

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

Plastic TSSOP

20-Pin

LX1692BIPW

Integrated Products Division

LX1692B

control

Microsemi

http://www.microsemi.com

three

circuitry

can

Full Bridge Resonant CCFL Controller

also

ways:

features

greatly

analog

RoHS Compliant / Pb-free

RODUCTION

Plastic SOIC

20-Pin

LX1692BIDW

For Wide Voltage Range Inverter

Application (7V to 22V)

Low Stress to Transformers

Wide Dimming Range

Programmable Burst Dimming

Frequency

Programmable Time Out

Protection

Fixed Operating Frequency

Open Lamp Voltage Protection,

Short Lamp Protection, Arc

Protection

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

LCD TV

LCD Monitor

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

LX1692B

Page 1

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