lxmg1645-12-51 Microsemi Corporation, lxmg1645-12-51 Datasheet

lxmg1645-12-51

Manufacturer Part Number

lxmg1645-12-51

Description

12v Quad 5w Ccfl Inverter Module

Manufacturer

Microsemi Corporation

Datasheet

1.LXMG1645-12-51.pdf (8 pages)

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Rev. 1.0, 2010-12-23

12-52 are Quad 5W Output CCFL (Cold

Cathode

Modules specifically designed for driving

15” to 18”quad lamp LCD panels.

inputs that provide brightness control,

V_BRITE and P_BRITE.

V_BRITE pin adjusts the lamp current

amplitude with 0V providing maximum

brightness.

low frequency PWM signal which directly

controls the lamp drive waveform.

PWM

Technique provides flicker-free brightness

control over a wide range (typically 50:1+).

externally programmable using the SET

SET

range of 6mA to 7.5mA in 0.5mA steps.

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

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

LXMG1645-12-51

LXMG1645-12-52

The LXMG1645-12-51 and LXMG1645-

The inverters include two dimming

The

ART

pins on the input connector over a

RangeMAX™

UMBER

maximum

Fluorescent

The P_BRITE input accepts a

Four JST SM02(8.0) B-BHS-1-TB(LF)(SN) or Yeon Ho 20015WR-05A00

Four JST SM02B-BHSS-1-TB(LF)(SN) or Yeon Ho 35001WR-02A00 or

output

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

Digital

Lamp)

Lamp Current Programmable from 6mA to 7.5mA per Lamp in 0.5mA Steps

A voltage on

current

D E S C R I P T I O N

Dimming

Inverter

This

IMMING

and

or equivalent connectors

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

This allows the inverter to be properly

matched to a wide array of LCD panel

lamp current specifications, a function

which we call PanelMatch™.

dedicated V_STATUS pin that indicates a

fault has occurred such as an open or

shorted lamp. V_STATUS is an open

drain configuration whose output is low

during normal operation. When one or

more lamps sustain a fault the other

lamp(s) will continue to operate and the

V_STATUS pin will toggle high. This

mode of operation during lamp(s) failure

is called StayLIT™ since the panel is able

to still remain on although at reduced

brightness.

are stable fixed-frequency operation and

secondary-side strike-voltage regulation.

equivalent connectors

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

UTPUT

Other benefits of this new topology

LXMG1645-12-51

Analog Mixed Signal Group

NPUTS

http://www.microsemi.com

addition

Microsemi

Lamp Fault Signal

ONNECTORS

PWM"

the

AND

inverter

™

12V Quad 5W CCFL Inverter Module

RODUCTION

has

OTENTIOMETER

™

NVERTER

ATA

StayLIT™ Redundancy

PanelMatch™ Adjustable

Output Current

V_STATUS Fault Output

Dual Brightness Control Inputs

RangeMAX™ Wide Range

Dimming

Output Short-Circuit Protection

and Automatic Strike-Voltage

Regulation

Fixed Frequency Operation

Rated From -30 to 80°C

UL 60950 Pending

RoHS Compliant

High Brightness Displays

Desktop Displays

Medical Monitors

Smooth, Flicker Free 10-

100% Full-Range Brightness

Control

equivalent connectors

JST BHSR-02VS-1 or

K E Y F E A T U R E S

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

JST BHR-03VS-1 or

ANEL

LXMG1645-12-5x

HEET

B E N E F I T S

ATES

ONNECTORS

IRECTLY

Page 1

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