ON Semiconductor Is Now To learn more about onsemi, please visit our website at www.onsemi.com onsemi andand other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba onsemi or its affiliates and/or subsidiaries in the United States and/or other countries. onsemi owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of onsemi product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. onsemi reserves the right to make changes at any time to any products or information herein, without notice. The information herein is provided as-is and onsemi makes no warranty, representation or guarantee regarding the accuracy of the information, product features, availability, functionality, or suitability of its products for any particular purpose, nor does onsemi assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using onsemi products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by onsemi. Typical parameters which may be provided in onsemi data sheets and/ or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including Typicals must be validated for each customer application by customers technical experts. onsemi does not convey any license under any of its intellectual property rights nor the rights of others. onsemi products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use onsemi products for any such unintended or unauthorized application, Buyer shall indemnify and holdo nsemi and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that onsemi was negligent regarding the design or manufacture of the part. onsemi is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. Other names and brands may be claimed as the property of others. NCP5005 Compact Backlight LED Boost Driver The NCP5005 is a high efficiency boost converter operating in current loop, based on a PFM mode, to drive White LED. The current mode regulation allows a uniform brightness of the LEDs. The chip www.onsemi.com has been optimized for small ceramic capacitors, capable to supply up to 1.0 W output power. MARKING DIAGRAM Features 5 2.7 to 5.5 V Input Voltage Range TSOP5 DBNAYW V to 24 V Output Compliance Allows up to 5 LEDs Drive in SN SUFFIX out 5 CASE 483 Series 1 1 Builtin Overvoltage Protection DBN = Device Code Full EMI Immunity A = Assembly Location Inductor Based Converter brings up to 90% Efficiency Y = Year W = Work Week Constant Output Current Regulation = PbFree Package 0.3 A Standby Quiescent Current (Note: Microdot may be in either location) Includes Dimming Function (PWM) Enable Function Driven Directly from Low Battery Voltage Source PIN CONNECTIONS Automatic LEDs Current Matching Thermal Shutdown Protection V 1 5 V out bat All Pins are Fully ESD Protected GND 2 Low EMI Radiation Pb Free Package is Available FB 3E4N Typical Applications (Top View) LED Display Back Light Control Keyboard Back Light ORDERING INFORMATION High Efficiency Step Up Converter Device Package Shipping NCP5005SNT1G TSOP5 3000 Tape & Reel (PbFree) For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. Semiconductor Components Industries, LLC, 2005 1 Publication Order Number: November, 2005 Rev. 1 NCP5005/D