1. http://www.microsemi.com Page 1 LXMG1626-05-45, LXMG1626-12-45 LXMG1626-05-46, LXMG1626-12-46 PanelMatch™, StayLit™ Dual Lamp CCFL Inverter Modules Training Kit Rev 2.0 April 2007 isignorino@microsemi.com

2. http://www.microsemi.com Page 2 LXMG1626-05/12-45/46 Overview Specifically designed for LCD displays with both lamps on one side and a single common lamp return wire FAULT DETECTION + FAULT MANAGEMENT CIRCUIT = STAYLIT™ (See Page 2) Electrical Sym bol Module Min Typ Max Unit Characteristics Input Supply Voltage Range V IN LXMG1626-05-45/46 4.5 5 5.5 V LXMG1626-12-45/46 10.21213.6 Operating Lamp Voltage V LAM P LXMG1626-05/12-46 320370420 V LXMG1626-05/12-45 385435485 Lamp Current (I SET = Ground) I OLA MP ALL 91011 mA Lamp Current (I SET = Open) I OLA MP ALL 111213 mA Typical Lamp Start Voltage V LS ALL 12501400 V Operating Frequency fo fo ALL 55.257.660kHz

3. http://www.microsemi.com Page 3 LXMG1626-05/12-45/46 StayLit™ Feature Fault Detection and Management Circuit (StayLit™): –A dedicated Pin allows the module to detect an open/shorted lamp condition –In addition, when only one of the two lamps in the LCD fails open, the second lamp will continue to operate with a FAULT signal toggling to indicate the failed condition. –The remaining working lamp is not overdriven and the dimming capabilities of the inverter are not impaired while in this mode Applications –Industrial or Consumer/Medical Application where continued SAFE operation is key

4. http://www.microsemi.com Page 4 LXMG1626-05/12-45/46 PanelMatch™ Feature Externally Programmable Maximum Output Current (PanelMatch™) = the customer is able by changing a single settings to regulate the current flowing through the lamp –The module can be used for different panels requiring different Lamp Currents Easier Supply Chain, Perfect for Distribution –The customer can purposely drive the lamps at a lower or higher current to decrease or increase nominal brightness and lamp life Application Flexibility

5. http://www.microsemi.com Page 5 LXMG1626-05/12-45/46 Other Key Highlights Key Features –RangeMAX™ Wide Range Dimming (100:1) –Output Short-Circuit Protection and Automatic Strike-Voltage –Fixed Frequency operation –Rated From -30 to 80°C! Please read datasheet for details on the above rating –Certified Component to UL60950 (File E175910) –RoHS Compliant Datasheets –http://www.microsemi.com/datasheets/lxmg1626-05-45.pdfhttp://www.microsemi.com/datasheets/lxmg1626-05-45.pdf –http://www.microsemi.com/datasheets/lxmg1626-12-45.pdfhttp://www.microsemi.com/datasheets/lxmg1626-12-45.pdf –http://www.microsemi.com/datasheets/lxmg1626-05-46.pdfhttp://www.microsemi.com/datasheets/lxmg1626-05-46.pdf –http://www.microsemi.com/datasheets/lxmg1626-12-46.pdfhttp://www.microsemi.com/datasheets/lxmg1626-12-46.pdf

6. http://www.microsemi.com Page 6 LXMG1626-05/12-45/46 Panel Cross Reference Panels: dual lamp CCFL backlit displays with both lamps on one side and a single common lamp return wire How to Find your Match –Examples in the side table –Always check the website: http://www.microsemi.com/products/ backlight/overview.asp http://www.microsemi.com/products/ backlight/overview.asp –Or contact bbrown@mircosemi.com or isignorino@microsemi.com if the panel is not listed on the websitebbrown@mircosemi.comisignorino@microsemi.com Benefits Summary –Fault Detection Feature and UL Qualification are a new key selling point for ATP/POS machines, medical monitors etc.