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LXMG1627-12-4X Datasheet(PDF) 1 Page - Microsemi Corporation |
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LXMG1627-12-4X Datasheet(HTML) 1 Page - Microsemi Corporation |
1 / 6 page PRODUCTION DATASHEET Microsemi Analog Mixed Signal Group 11861 Western Avenue, Garden Grove, CA. 92841, 800-877-6458, 714-898-8121, Fax: 714-893-2570 Page 1 Copyright © 2009 Rev. 1.0, 2009-06-22 PanelMatch™ LXMG1627-12-4x 12V Dual 4W Programmable CCFL Inverter Module TM ® DESCRIPTION The LXMG1627-12-4x is a Dual 4W Output Direct Drive™ CCFL (Cold Cathode Fluorescent Lamp) Inverter Module specifically designed for driving LCD backlight lamps. It is ideal for driving typical 6.4” to 10.4” TFT panels. LXMG1627 modules provide the designer with a vastly superior display brightness range. This brightness range is achievable with virtually any LCD display. The modules are available with a dimming input that permits brightness control from either a DC voltage source or a PWM signal or external potentiometer. The maximum output current is externally programmable over a range of 5mA to 6.5mA in 0.5mA steps to allow the inverter to properly match to a wide array of LCD panel lamp current specifications. RangeMAX™ Digital Dimming Technique provides flicker-free brightness control in any wide range typically (50:1+) dimming application. The resultant “burst drive” that energizes the lamp was designed specifically to ensure that no premature lamp degradation occurs, while allowing significant power savings at lower dim levels. The modules convert DC voltage from 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 (LXMG1627-05-4x), as well as 6W versions (LXMG1627-xx-6x) for driving large higher voltage/power panels. The module’s design is based on Microsemi’s LX6512 backlight controller, which provides a number of cost and performance advantages due to the controller’s high level of integration. Other benefits of this new topology are stable fixed-frequency operation, secondary-side strike-voltage regulation and both open and short protection with fault timeout. IMPORTANT: For the most current data, consult MICROSEMI’s website: http://www.microsemi.com Protected By U.S. Patents: 5,923,129; 5,930,121; 6,198,234; Patents Pending KEY FEA T URES 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 -30°C to 80°C UL60950 E175910 Pending RoHS Compliant AP P L ICAT IONS High Brightness Displays Portable Instrumentation Desktop Displays Industrial Display Controls BENEFITS 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 PRODUCT HIGHLIG HT SELECTABLE MAXIMUM OUTPUT CURRENT 5.0mARMS TO 6.5mARMS UNIVERSAL DIMMING INPUT “PWM”, VDC, or POTENTIOMETER DC Voltage Source Potentiometer PWM Signal CN1 CN3 CN2 PACKAGE ORDER INFO PART NUMBER OUTPUT CONNECTOR INVERTER MATES DIRECTLY TO PANEL CONNECTORS LXMG1627-12-41 JST SM02(8.0)B-BHS-1-TB(LF)(SN) or Yeon Ho 20015WR-05A00 JST BHR-03VS-1 LXMG1627-12-42 JST SM02B-BHSS-1-TB(LF)(SN) or Yeon Ho 35001WR-02A00 JST BHSR-02VS-1 |
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