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LM27952 Datasheet white-LED Driver

Manufacturer: Texas Instruments

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General Description

The LM27952 is a switched capacitor white-LED driver capable of driving up to 4 LEDs with 30mA through each LED.

Its 4 tightly regulated current sinks ensure excellent LED current and brightness matching.

LED drive current is programmed by an external sense resistor.

Overview

LM27952 www.ti.com SNVS364B – MAY 2005 – REVISED MAY 2013 LM27952 White LED Adaptive 1.

Key Features

  • 1.
  • 2 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.

📁 Similar Datasheet

Brand Logo Part Number Description Manufacturer
National Semiconductor Logo LM27952 White LED Adaptive 1.5X/1X Switched Capacitor Current Driver National Semiconductor

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