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LM27951 - White LED Adaptive 1.5X/1X Switched Capacitor Current Driver

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National Semiconductor

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LM27951 White LED Adaptive 1.5X/1X Switched Capacitor Current Driver by National Semiconductor - Datasheet Preview — Datasheet preview – LM27951

Datasheet Details

Part number	LM27951
Manufacturer	National Semiconductor
File Size	629.14 KB
Description	White LED Adaptive 1.5X/1X Switched Capacitor Current Driver
Datasheet	LM27951 Datasheet
Additional preview pages of the LM27951 datasheet.

Product details

Description

The LM27951 is a switched capacitor white-LED driver capable of driving up to 4 LEDs with 30mA through each LED.

Features

n n n n n n n n n n Drives up to 4 LEDs with up to 30mA each Regulated current sources with 0.2%(typ. ) matching 3/2x, 1x Gain transition based on LED VF Peak Efficiency Over 85% Input Voltage Range: 3.0V to 5.5V PWM Brightness Control Very Small Solution Size - NO.

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Published: Apr 22, 2010 |