LXM1623-05-44 Microsemi Analog Mixed Signal Group, LXM1623-05-44 Datasheet

LXM1623-05-44

Manufacturer Part Number

LXM1623-05-44

Description

MOD INVERTER CCFL DUAL 4W 5V

Manufacturer

Microsemi Analog Mixed Signal Group

Series

LXM1623-05-4xr

Type

Inverters for CCFL and UV Lampsr

Datasheet

1.LXM1623-05-44.pdf (6 pages)

Specifications of LXM1623-05-44

Voltage - Input

5.0V

Output

1500V

Size / Dimension

4.53" L x 1.18" W x 0.26" H (115mm x 30mm x 6.5mm)

Mounting Type

Chassis Mount

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Current page: 1 of 6
Download datasheet (219Kb)

Rev. 1.0a, 2005-01-17

Output Direct Drive™ CCFL (Cold

Cathode

Module

compatible with the Sharp LQ104S1DG21

/ 51 10.4”, LQ121S1DG31 / 41 12.1” as

well as the Samsung LTM121SI-T01

12.1” or similar dual lamp displays that

have

connectors on the top side of the panel

designer with a vastly superior display

brightness range. This brightness range is

achievable with virtually any LCD display.

dimming input that permits brightness

control from either, a DC voltage source,

a PWM signal or external potentiometer.

externally programmable (through the

input connector) over a range of 5.2 to

6.7mA in 0.5mA steps. This allows the

inverter to match the panel’s lamp current

specifications, or it can be used to

purposely drive the lamps at a lower

current to save power or lower nominal

brightness.

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:

The LXM1623-05-44 is a Dual 4W

LXM1623

The modules are available with a

The

both

maximum output current is

specifically

Fluorescent

I N T E G R A T E D

individual

modules

LXM1623-05-44

ART

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

designed

Lamp)

lamp

UMBER

provide

DC Voltage

PWM

NIVERSAL

Source

D E S C R I P T I O N

Inverter

P R O D U C T S

output

the

Potentiometer

, OR

JST SM02(8.0)B-BHS-1-TB or

IMMING

Technique

brightness control in any wide range

typically (50:1+) dimming application.

energizes

specifically to ensure that no premature

lamp degradation occurs, while allowing

significant power savings at lower dim

levels.

the system battery or AC adapter directly

to high frequency, high-voltage waves

required to ignite and operate CCFL

lamps. A 12V input inverter is also

available (LXM1623-12-44).

Microsemi’s

controller, which provides a number of

cost and performance advantages due to

the controller’s high level of integration.

are stable fixed-frequency operation,

secondary-side strike-voltage regulation,

and both open/shorted lamp protection

with fault timeout.

OTENTIOMETER

Yeon Ho 20015WR-05A00

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

ELECTABLE

RangeMAX™

The resultant “burst drive” that

The modules convert DC voltage from

The

Other benefits of this new topology

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

URRENT 5.2M

UTPUT

Integrated Products

Microsemi

Signal

http://www.microsemi.com

PWM

NPUT

modules

PanelMatch™

the

ONNECTOR

AXIMUM

provides

TO 6.7M

LX1689

lamp

5V Dual 4W CCFL Programmable Inverter Module

Digital

design

UTPUT

RMS

flicker-free

Dimming

backlight

designed

utilizes

RODUCTION

NVERTER

JST BHR-03VS-1

ANEL

ATASHEET

Externally Programmable

Maximum Output Current

Easy to Use Brightness Control

RangeMAX Wide Range Dimming

Output Open & Short-Circuit

Protection and Automatic Strike-

Voltage Regulation and Timeout

Fixed Frequency Operation

Rated From -20 to 70°C

LCD’s Requiring Both Output

Sharp LQ104S1DG21/51 and

Samsung LTM121SI-T01

Desktop Displays

Industrial Display Controls

Smooth, Flicker Free 2%-100%

Full-Range Brightness Control

Programmable Output Current

Allows Inverter to Mate With a

Wide Variety of LCD Panel’s

Specifications

Output Open Circuit Voltage

Regulation Minimizes Corona

Discharge For High Reliability

Connectors on One Side of

Panel

LQ121S1DG31 / 41

ATES

ONNECTORS

K E Y F E A T U R E S

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

LXM1623-05-44

B E N E F I T S

IRECTLY

Page 1

Related parts for LXM1623-05-44

LXM1623-05-44 Summary of contents

Page 1

... The LXM1623-05- Dual 4W Output Direct Drive™ CCFL (Cold Cathode Fluorescent Lamp) Inverter Module specifically designed to compatible with the Sharp LQ104S1DG21 / 51 10.4”, LQ121S1DG31 / 41 12.1” as well as the Samsung LTM121SI-T01 12.1” or similar dual lamp displays that have both individual lamp ...

Page 2

... Output Burst Frequency BURST Microsemi Integrated Products LXM1623-05- RODUCTION ATASHEET ( (Internally Limited) RMS Units R.C. Max 5 5. 5.5 3.5 4.0 W 2.0 V 530 610 V RMS 6 °C LXM1623-05-44 Min Typ Max = 5V IN1 DC 4.7 5.2 5 IN1 DC 5.2 5.7 6 IN1 DC 5.7 6.2 6 IN1 DC 6.2 6.7 7 IN1 ...

Page 3

... CN1-8 SET SET LSB Connecting this pin to ground decreases the output current (see Table CN2, CN3 for LXM1623-05-44 (JST SM02(8.0)B-BHS-1-TB or Yeon Ho 20015WR-05A00) CN2-1 High voltage connection to high Side of lamp. Connect to lamp terminal with shortest lead length CN3-1 DO NOT connect to Ground. CN2-2 Connection to low side of lamp ...

Page 4

... Comparator + V IN1 Transformer Ramp Driver - Ramp Gen OV SENSE OC Z +3V SENSE 10K I Z SENSE Microsemi Integrated Products LXM1623-05- RODUCTION ATASHEET Nominal Output Current 6.7mA 6.2mA 5.7mA 5.2mA 12.7mm ±0.2mm 0.500in. 6.75mm 0.266in CREW EQUIRED Warning High Voltage Present at high 10.2mm Max side of transformer ...

Page 5

... RMS seconds. After about 3 seconds without success the inverter will shutdown. necessary to toggle the sleep input or cycle the V Inputs) supply Microsemi Integrated Products LXM1623-05- RODUCTION ATASHEET SLEEP input. to high voltage wire from the lamp. Connect HI ...

Page 6

... Microsemi reserves the right to change the configuration and performance of the product and to discontinue product at any time. Copyright © 2002 Rev. 1.0a, 2005-01-17 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 PanelMatch™ 5V Dual 4W CCFL Programmable Inverter Module Microsemi Integrated Products LXM1623-05- RODUCTION ATASHEET Page 6 ...

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