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LM27964 Datasheet

White Led Driver System

Manufacturer: National Semiconductor (now Texas Instruments)

LM27964 Overview

The LM27964 is a charge-pump-based white-LED driver that is ideal for mobile phone display backlighting. The LM27964 can drive up to 6 LEDs in parallel along with multiple keypad LEDs, with a total output current up to 180mA. Regulated internal current sources deliver excellent current matching in all.

LM27964 Key Features

  • 87% Peak LED Drive Efficiency
  • 0.2% Current Matching between Current Sinks
  • Drives 6 LEDs with up to 30mA per LED in two distinct

LM27964 Distributor