MP1010B

MP1010B Cold Cathode Fluorescent Lamp Driver The Future of Analog IC Technology DESCRIPTION The MP1010B is a power solution IC that offers a true complete solution for driving a Cold Cathode Fluorescent Lamps (CCFL). This Power IC converts unregulated DC voltage to a nearly pure sine wave required to ignite and operate the CCFL. Based on proprietary power topology and control techniques it greatly increases the power conversion efficiency. FEATURES • • • • • • • • • • • • • Integrated Power Switches 6.0V to 23V Variable Supply Voltage with Regulated Lamp Current. Rated 12W Power Output at 12V Input Open Lamp Regulation Current and Voltage Feedback Control Logic Level Burst Mode Control Supports Open/Short Lamp Protection Soft-Start Short Circuit Protected Output High Energy Start Pulse Analog and Burst Mode Dimming EVALUATION BOARD REFERENCE Board Number EV0037 Dimensions 4.0”X x 0.5”Y x 0.4”Z APPLICATIONS LCD Backlight Inverter for Notebook Computers Web Pads, GPS, Desktop Displays, Portable DVD, Car Video Display Systems “MPS” and “The Future of Analog IC Technology” are Registered Trademarks of Monolithic Power Systems, Inc. The MP1010B is covered by US Patents 6,633,138, 6,316,881, 6,114,814. TYPICAL APPLICATION Ccomp CbaR Cref Cft1 Rs Cft2 Rdamp CbtR Cp N/A 11 BSTR N1 20 19 18 Rft 17 16 15 14 13 12 OL FB FT IN COMP OUTR REF AGND PGND HV 2 1 Cs1 CbtL Cs2 Rbleed N/A Rbosc BOS T/B BR MP1010B PGND OUTL BSTL DR EN IN IL T1 CN1 1 2 3 4 5 6 7 8 9 J1 ABRT 5 DBRT 4 EN 3 Ren1 Rbdr Cisb Cbosc Cen Ren2 Cdbr Csfb Rsfb Risb Rlfb Resd GND 2 Cba1 Cba2 F1 / 1A VBATT 1 FUSE CbaL Cdrv Rabr Cabr 10 MP1010B Rev. 2.2 10/10/2006 www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2006 MPS. All Rights Reserved. 1