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LM27952 - White LED Adaptive 1.5X/1X Switched Capacitor Current Driver

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National Semiconductor

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LM27952 White LED Adaptive 1.5X/1X Switched Capacitor Current Driver by National Semiconductor - Datasheet Preview — Datasheet preview – LM27952

Datasheet Details

Part number	LM27952
Manufacturer	National Semiconductor
File Size	545.10 KB
Description	White LED Adaptive 1.5X/1X Switched Capacitor Current Driver
Datasheet	LM27952 Datasheet
Additional preview pages of the LM27952 datasheet.

Product details

Description

The LM27952 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 |