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NCP5010FCT1G Datasheet(PDF) 1 Page - ON Semiconductor |
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NCP5010FCT1G Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 18 page © Semiconductor Components Industries, LLC, 2005 December, 2005 − Rev. P2 1 Publication Order Number: NCP5010/D NCP5010 Product Preview 500 mW Boost Converter for White LEDs The NCP5010 is a fixed frequency PWM boost converter with integrated rectification optimized for constant current applications such as driving white LEDs. This device features small size, minimal external components and high−efficiency for use in portable applications and is capable of providing up to 500 mW output power to 2−5 series connected white LEDs. A single resistor sets the LED current and the CTRL pin can be pulse width modulated (PWM) to reduce the LED Current. The device can also be configured as a fixed output voltage boost converter for applications such as OLED bias where it is capable of generating voltage up to 20 V. The device includes True−Cutoff circuitry to disconnect the load from the battery when the device is put into standby mode. To protect the device, an output overvoltage protection, and short circuit protection have been incorporated. The NCP5010 is housed in a low profile, space efficient 1.7 x 1.7 mm Flip−Chip package. The device has been optimized for use with small inductors and ceramic capacitors. Features • 2.7 to 5.5 V Input Voltage Range • Efficiency: 84% for 5 LED (VF = 3.5 V by LED) at 30 mA and 4.2 V VIN • Low Noise 1 MHz PWM DC−DC Converter with Damping Switch • Open LED Protection and Short Circuit Protection • Serial LEDs Architecture for Uniform Current Matching • 1 mA Shutdown Current Facility with True−Cutoff • Very Small 8−Pin Flip−Chip 1.7 x 1.7 mm Package Typical Applications • White LED Backlighting for Small Color LCD Displays • Cellular Phones • Digital Cameras • MP3 Players • High Efficiency Step−up Converter This document contains information on a product under development. ON Semiconductor reserves the right to change or discontinue this product without notice. 8−Pin Flip−Chip FC SUFFIX CASE 499AJ PIN CONNECTIONS AGND A1 MARKING DIAGRAM DAX = Specific Device Code A = Assembly Location Y = Year WW = Work Week Top View See detailed ordering and shipping information in the package dimensions section on page 16 of this data sheet. ORDERING INFORMATION http://onsemi.com 1 DAX AYWW A1 A2 A3 B1 B3 C1 C2 C3 CTRL NC VIN FB VOUT SW PGND http://onsemi.com Figure 1. Efficiency vs. Output Current 0 10 20 30 40 50 60 70 80 90 1 10 100 VOUT = 5 LED (18 V) VOUT = 3 LED (11 V) VIN = 4.2 V IOUT (mA) |
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