• Part: LM27952
  • Description: white-LED Driver
  • Manufacturer: Texas Instruments
  • Size: 1.01 MB
LM27952 Datasheet (PDF) Download
Texas Instruments
LM27952

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.

Key Features

  • 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
  • Fixed 750kHz Switching Frequency
  • <1µA Shutdown Current
  • 14-pin WSON Package: 4.0mm X 3.0mm X 0.8mm