MP1010B Cold Cathode Fluorescent Lamp Driver The Future of Analog IC Technology DESCRIPTION FEATURES 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. • • • • • • • • • • • EVALUATION BOARD REFERENCE Board Number Dimensions EV0037 4.0”X x 0.5”Y x 0.4”Z 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 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. CbaR Cref Cft1 Rft Rs Ccomp Cft2 TYPICAL APPLICATION Rdamp N1 CbtR Rbosc 11 HV BSTR 12 PGND 13 2 1 Cs1 BSTL T1 CN1 CbtL 10 PGND 9 OUTL 8 7 IN DR 6 T/B EN 5 BOS 4 3 2 IL BR 1 J1 Cabr Cdrv DBRT 4 N/A MP1010B ABRT 5 Rabr OUTR 14 IN 15 REF 16 COMP FT 17 18 OL 19 FB AGND 20 Cp N/A Cs2 Risb Rsfb Csfb Rbleed CbaL Cdbr Cbosc Resd Cen Ren2 Cisb Ren1 Rlfb Rbdr EN 3 Cba2 F1 / 1A Cba1 GND 2 VBATT 1 FUSE MP1010B Rev. 2.2 10/10/2006 www.MonolithicPower.com MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2006 MPS. All Rights Reserved. 1