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LXM1640-01 Dataheets PDF



Part Number LXM1640-01
Manufacturers Microsemi Corporation
Logo Microsemi Corporation
Description DIRECT DRIVE QUAD LAMP CCFL INVERTER MODULE
Datasheet LXM1640-01 DatasheetLXM1640-01 Datasheet (PDF)

P A T E N T S P E N D I N G LIN D O C #: 1640 LXM1640-01 D I R E C T D R I V E Q U A D L A M P CCFL I N V E R T E R M O D U L E T H E I N F I N I T E P O W E R O F I N N O VA T I O N P R E L I M I N A R Y D A T A S H E E T DESCRIPTION The Quad Output Module Ideal for Desktop and Industrial Applications. The LXM1640 Direct DriveTM Cold Cathode Fluorescent Lamp (CCFL) Inverter is a single module designed to drive four lamps and is targeted for use with desktop Liquid Crystal Dis.

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P A T E N T S P E N D I N G LIN D O C #: 1640 LXM1640-01 D I R E C T D R I V E Q U A D L A M P CCFL I N V E R T E R M O D U L E T H E I N F I N I T E P O W E R O F I N N O VA T I O N P R E L I M I N A R Y D A T A S H E E T DESCRIPTION The Quad Output Module Ideal for Desktop and Industrial Applications. The LXM1640 Direct DriveTM Cold Cathode Fluorescent Lamp (CCFL) Inverter is a single module designed to drive four lamps and is targeted for use with desktop Liquid Crystal Display (LCD) and industrial LCD panels typically ranging in size from 14-inches to 21-inches. This four output inverter is the ideal solution to power virtually any four lamp application. Direct Drive Technology. The module design is based on a new Direct Drive topology, which provides a number of cost and per for mance advantages. The LXM1640-01 Direct Drive inverters eliminate the classic resonant inductor and capacitors, thus reducing cost and allowing a substantial reduction in module size. Fixed-Frequency Operation. Other benefits of this new topology are fixed-frequency operation and secondary-side strike-voltage regulation. Strike-voltage regulation minimizes corona discharge in the output transformer and related circuitry, providing longer life and higher reliability. Fail-safe Feature For Multiple Lamp Applications. Our multi-output inverters are designed to keep your application operating at near normal brightness in the event that a lamp fails. This allows the display to remain "on-line" until lamp replacement is convenient. Quad Module Uses Standard Power Supply. The LXM1640 module uses a standard 12V input supply. It also ensures nominal power consumption with 4 lamps requiring only 16 watts. Lamp current is fully regulated with respect to input voltage and output impedance variations. Dimming Features. The LXM1640 modules are equipped with a dimming input that permits brightness control from an external potentiometer or DC voltage. In addition, the sleep input reduces module power to a few microwatts in shut down mode. All LXM1640 modules feature both output open and short-circuit protection. The Most Efficient and Cost-effective Backlight Inverter for Desktop/Industrial Applications. Linfinity's proprietary Direct Drive architecture is the highest efficiency, small form factor solution for all multiple lamp applications. The LXM1640 is fully customizable (electronically and mechanically) to specific customer requirements. s s s s s s s s s s K E Y F E AT U R E S Drive Four Lamps With One Module Small, Compact Size High Efficiency Multiple Output Connectors Provide Easy LCD Connections Low EMI And Noise Low Power Sleep Mode Output Short And Open Circuit Protection 3:1 Dimming Control Adjustable Lamp Current Up To 6.0mA Per Lamp Long Lamp Life With Soft-Start And Accurate Lamp Current Regulation A P P L I C AT I O N S s Desktop LCD Monitors And Panels s Industrial LCD Panels s Hi-Brite Displays BENEFITS s Cool Operation s Smooth, Easy-To-Use Brightness Control s Single 12 Volt Supply IMPORTANT: For the most current data, consult LinFinity's web site: http://www.linfinity.com. PRODUCT HIGHLIGHT LXM1640 "U N I V E R S A L " M O D U L E C O N N E C T I O N O P T I O N S Quad Connector Configuration CN4 CN7 Dual Connector Configuration CN2 CN5 LXM1640-01 CN1 CCFL Lamps LXM1640-01 CN1 CN6 CN3 CCFL Lamps CN6 CN5 CN4 CN3 CN7 Desktop Display CN2 Desktop Display M O D U L E O R D E R I N F O R M AT I O N LXM1640-01 Copyright © 1998 Rev. 0.4 5/98 LINFINITY MICROELECTRONICS INC. 11861 W ESTERN A VENUE, G ARDEN G ROVE, CA. 92841, 714-898-8121, F AX: 714-893-2570 1 PRODUCT DATABOOK 1996/1997 LXM1640-01 D I R E C T D R I V E Q U A D L A M P CCFL I N V E R T E R M O D U L E P R E L I M I N A R Y D A T A S H E E T (Note 1) A B S O L U T E M A X I M U M R AT I N G S Input Supply Voltage (VIN)....................................................................................................................................................... -0.3V to 16V Output Voltage, no load .............................................................................................................................. Internally Limited to 1800VRMS Output Current (per Lamp) ........................................................................................................................ 10.0mARMS (Internally Limited) Output Power (per Lamp) .................................................................................................................................................................... 6.0W Input Signal Voltage, (SLEEP and BRITE Inputs) ..................................................................................................................... -0.3V to VIN Ambient Operating Temperature, zero airflow ........................................................................................................................ 0°C to 40°C Storage Temperature Range .................


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