NCP9003 Datasheet | onsemi

Features http://onsemi. MARKING DIAGRAM 5 5 1 TSOP- 5 SN SUFFIX CASE 483 DBNAYWG G 1 - 2.7 to 5.5 V Input Voltage Range - Vout to 24 V Output pliance Allows up to 5 LEDs Drive in - - - - - - - - - - - - Series Built- in Overvoltage Protection Full EMI Immunity Inductor Based Converter brings up to 90% Efficiency Constant Output Current Regulation 0.3 m A Standby Quiescent Current Includes Dimming Function (PWM) Enable Function Driven Directly from Low Battery Voltage Source Automatic LEDs Current Matching Thermal Shutdown Protection All Pins are Fully ESD Protected Low EMI Radiation Pb- Free Package is Available DBN = Specific Device Code A = Assembly Location Y = Year W = Work Week G = Pb- Free Package (Note: Microdot may be in either location) PIN CONNECTIONS Vout GND FB 1 2 3 (Top View) 4 EN 5 Vbat Typical Applications - LED Display Back Light Control - Keyboard Back Light - High Efficiency Step Up Converter ORDERING INFORMATION Device NCP9003SNT1G Package TSOP- 5 (Pb- Free) Shipping† 3000 Tape & Reel †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 ponents Industries, LLC, 2006 August, 2006 - Rev. 1 Publication Order Number: NCP9003/D Vbat U1 4 EN Vbat 5 Vbat C1 4.7 m F L1 22 m H GND 2 3 GND FB NCP9003 Vout 1 D1 MBR0530 C2 1.0 m F D4 D3 D2 GND GND R1 15 W D6 D5 LWT67C LWT67C LWT67C LWT67C LWT67C Figure 1. Typical Application Thermal Shutdown Current Sense Vbat 5 Vbat Vsense CONTROLLER EN 4 100...