WWW.Microsemi .COM LLXXMMGG11662277--1122--66XX 1 2 3 Pa nel Ma tch LXMG1627-12-6x 12V Dual 6W Programmable CCFL Inverter Module PRODUCTION DATASHEET D E S C R IP T I ON KE Y F E A T UR E S The LXMG1627-12-6x is a Dual 6W The resultant burst drive that Externally Programmable Maximum Output Current Output Direct Drive CCFL (Cold energizes the lamp was designed Easy to Use Brightness Control Cathode Fluorescent Lamp) Inverter specifically to ensure that no premature RangeMAX Wide Range Module specifically designed for driving lamp degradation occurs, while allowing Dimming LCD backlight lamps. It is ideal for significant power savings at lower dim Output Open/Short-Circuit driving typical 10.4 to 15 TFT panels. levels. Protection and Automatic Strike- LXMG1627 modules provide the The modules convert DC voltage from Voltage Regulation and Timeout Fixed Frequency Operation designer with a vastly superior display the system battery or AC adapter directly Rated From -30C to 80C brightness range. This brightness range is to high frequency, high-voltage waves UL60950 E175910 achievable with virtually any LCD display. required to ignite and operate CCFL RoHS Compliant The modules are available with a lamps. A 5V input inverter is also dimming input that permits brightness available (LXMG1627-05-6x), as well as AP P LI CA TI ON S control from either a DC voltage source or 4W versions (LXMG1627-xx-4x) for High Brightness Displays a PWM signal or external potentiometer. driving smaller lower voltage/power Portable Instrumentation The maximum output current is externally panels. Desktop Displays programmable over a range of 5mA to The modules design is based on Industrial Display Controls 8mA in 1mA steps to allow the inverter to Microsemis LX6512 backlight properly match to a wide array of LCD controller, which provides a number of B E NEF I T S panel lamp current specifications. cost and performance advantages due to Smooth, Flicker Free 2%- RangeMAX Digital Dimming the controllers high level of integration. 100% Full-Range Brightness Technique provides flicker-free brightness Other benefits of this new topology Control control in any wide range typically (50:1+) are stable fixed-frequency operation, Programmable Output Current dimming application. secondary-side strike-voltage regulation Allows Inverter To Mate With A and both open and short protection with Wide Variety Of LCD Panels Specifications fault timeout. Output Open Circuit Voltage IMPORTANT: For the most current data, consult MICROSEMIs website: WWW.Microsemi .COM ELECTRICALS ELECTRICALS Pa nel Ma tch LXMG1627-12-6x 12V Dual 6W Programmable CCFL Inverter Module PRODUCTION DATASHEET A B S OL UTE M A X IM UM R AT I NGS Input Signal Voltage (V ) ...................................................................................................................................... -0.3V to 15V IN Input Power ....................................................................................................................................................................... 15W Output Voltage, no load ............................................................................................................ Internally Limited to 1800V RMS Output Current ............................................................................................................................ 9.5mA (Internally Limited) RMS Output Power (each output) ............................................................................................................................................. 6.0W Input Signal Voltage ( Input) ...................................................................................................................... -0.3V to V SLEEP IN Input Signal Voltage (BRITE) ............................................................................................................................... -0.3V to 5.5V Ambient Operating Temperature, zero airflow..................................................................................................... -30C to 80C Operating Relative Humidity, non-condensing ................................................................................................................ 90% Storage Temperature Range............................................................................................................................... -40C to 85C Exceeding these ratings could cause damage to the device. All voltages are with respect to Ground. Currents are positive into, negative out of specified terminal. R E C OMM E NDE D OPE R A T I N G C OND I TI ONS ( R. C . ) This module has been designed to operate over a wide range of input and output conditions. However, best efficiency and performance will be obtained if the module is operated under the condition listed in the R.C. column. Min. and Max. columns indicate values beyond which the inverter, although operational, may not function optimally. Recommended Operating Conditions Parameter Symbol Units Min R.C. Max Input Supply Voltage Range (Fully Regulated 10.8 12 13.2 Lamp Current) V V IN Input Supply Voltage Range (Functional) 10.2 12 13.8 Output Power (each output) P 5.5 6.0 W O Linear BRITE Control Input Voltage Range V 0 2.5 V BRT ADJ Lamp Operating Voltage V 480 600 720 V LAMP RMS Lamp Current (Full Brightness) I 5.0 8.0 mA OLAMP RMS Operating Ambient Temperature Range T -30 80 C A E L E C TR I C AL C HA RA C T E R IS T I CS Unless otherwise specified, the following specifications apply over the recommended operating condition and ambient temperature of 0 C to 60C except where otherwise noted BRITE > 2.5V, SLEEP > 2.0V, VIN = 12V. LXMG1627-12-6x Parameter Symbol Test Conditions Units Min Typ Max OUTPUT PIN CHARACTERISTICS Full Bright Lamp Current (each output) I SET = Ground, SET = Ground 4.4 5.0 5.6 mA L(MAX) 1 2 RMS Full Bright Lamp Current (each output) I SET = Ground, SET = Open 5.4 6.0 6.6 mA L(MAX) 1 2 RMS Full Bright Lamp Current (each output) I SET = Open, SET = Ground 6.4 7.0 7.6 mA L(MAX) 1 2 RMS Full Bright Lamp Current (each output) I SET = Open, SET = Open 7.4 8.0 8.6 mA L(MAX) 1 2 RMS Output Current Lamp to Lamp I SET = Open, SET = Open 2 5 % LL%DEV 1 2 Deviation BRITE = 0V SET = SET = Ground 1 2 Min. Average Lamp Current I 1.0 mA L(MIN) RMS I ) = I * L(MIN LMAX (each output) Burst Duty Cycle Lamp Start Voltage V -30C < T < 80C, V > 10.8V 1500 1650 V LS A IN RMS Operating Frequency f kHz O 55 60 65 Burst Frequency f Output Burst Frequency Hz BURST 165 200 235 Copyright 2008 Microsemi Page 2 Rev. 1.1, 2013-07-12 Analog Mixed Signal Group One Enterprise, Aliso Viejo, CA 92656 USA 949-380-6100, FAX 949-215-4996 Obsolete