LXM1623-12-44 Microsemi Analog Mixed Signal Group, LXM1623-12-44 Datasheet

LXM1623-12-44

Manufacturer Part Number

LXM1623-12-44

Description

MOD INVERTER CCFL DUAL 4W 12V

Manufacturer

Microsemi Analog Mixed Signal Group

Series

LXM1623-12-4xr

Type

Inverters for CCFL and UV Lampsr

Datasheet

1.LXM1623-12-44.pdf (7 pages)

Specifications of LXM1623-12-44

Voltage - Input

12V

Output

1800V

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 7
Download datasheet (231Kb)

Rev. 1.0a, 2005-01-17

Output Direct Drive™ CCFL (Cold

Cathode

Module

compatible with the Sharp LQ104S1DG21

/ 15 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

LXM1623-12-44

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

The LXM1623-12-44 is a Dual 4W

LXM1623

The modules are available with a

The

ART

both

maximum output current is

UMBER

specifically

Fluorescent

I N T E G R A T E D

individual

modules

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

designed

Lamp)

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

DC Voltage

PWM

NIVERSAL

lamp

Source

provide

D E S C R I P T I O N

Inverter

P R O D U C T S

output

Potentiometer

, OR

the

IMMING

OTENTIOMETER

Technique provides flicker-free bright-

ness 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 5V input inverter is also

available: LXM1623-05-44.

Microsemi’s LX1689 backlight con-

troller, 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.

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

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

ELECTABLE

UTPUT

URRENT 5.2M

RangeMAX™

The resultant “burst drive” that

The modules convert DC voltage from

The

Other benefits of this new topology

Integrated Products

Signal

PWM

NPUT

Microsemi

http://www.microsemi.com

modules

ONNECTOR

PanelMatch™

the

AXIMUM

TO 6.7M

lamp

12V Dual 4W CCFL Programmable Inverter Module

Digital

design

UTPUT

RMS

Dimming

designed

utilizes

RODUCTION

NVERTER

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

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

ANEL

LXM1623-12-44

B E N E F I T S

ATES

ONNECTORS

IRECTLY

Page 1

Related parts for LXM1623-12-44

LXM1623-12-44 Summary of contents

Page 1

... The LXM1623-12- Dual 4W Output Direct Drive™ CCFL (Cold Cathode Fluorescent Lamp) Inverter Module specifically designed to compatible with the Sharp LQ104S1DG21 / 15 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 connectors on the top side of the panel ...

Page 2

... Integrated Products LXM1623-12- RODUCTION ATASHEET ( (Internally Limited) RMS Units R.C. Max 12 13.2 12 14.4 3.5 4.0 2.0 530 610 V 6 LXM1623-12-44 Min Typ Max = 12V IN1 DC 4.7 5.2 5.7 = 12V IN1 DC 5.2 5.7 6.2 = 12V IN1 DC 5.7 6.2 6.7 = 12V IN1 DC 6.2 6 ...

Page 3

... CN1-8 SET SET LSB Connecting this pin to ground decreases the output current (see Table CN2, CN3 for LXM1623-12-44 (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

... SCREW HEAD CLEARANCE High Voltage Controller Transformer Comparator + V IN1 Transformer Driver - OV SENSE OC Z SENSE I SENSE Z Microsemi Integrated Products LXM1623-12- 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 0 ...

Page 5

... RMS several seconds. After about 3 seconds without success the inverter will shutdown. In order to restart the inverter it is necessary to toggle the sleep input or cycle the V Inputs) supply Microsemi Integrated Products LXM1623-12- RODUCTION ATASHEET SLEEP input. to high voltage wire from the lamp. Connect ...

Page 6

... PRODUCTION DATA – Information contained in this document is proprietary to Copyright © 2003 Rev. 1.0a, 2005-01-17 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 PanelMatch™ 12V Dual 4W CCFL Programmable Inverter Module Microsemi Integrated Products LXM1623-12- RODUCTION ATASHEET Page 6 ...

Page 7

... Microsemi reserves the right to change the configuration and performance of the product and to discontinue product at any time. Copyright © 2003 Rev. 1.0a, 2005-01-17 11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570 PanelMatch™ 12V Dual 4W CCFL Programmable Inverter Module Microsemi Integrated Products LXM1623-12- RODUCTION ATASHEET Page 7 ...

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