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T6313A - High Efficiency WhiteLED Charge Pump

Datasheet Summary

Description

The T6313A is a charge pump DC/DC converter driving a constant current up to 20mA for each LED of total four LEDs.

It is a high efficiency device that is up to 93%, and it would be a suitable driving device for LED back light application.

Features

  • 4 Current Source Outputs.
  • 20mA Full Scale Current for each LED www. DataSheet4U. com.
  • Power efficency up to 93%.
  • 32 levels for brightness.
  • 2 wires interface.
  • Low Noise Constant Frequency Operation.
  • High Accuracy Brightness Matching.
  • White LED Backlighting.
  • 0.5% LED current matching.
  • Automatic Soft-Start.
  • No External Inductors, Schottky, or Zener Diode and Resistor Required.
  • 500KHz Switching.

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Datasheet preview – T6313A

Datasheet Details

Part number T6313A
Manufacturer Taiwan Memory Technology
File Size 127.42 KB
Description High Efficiency WhiteLED Charge Pump
Datasheet download datasheet T6313A Datasheet
Additional preview pages of the T6313A datasheet.

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Full PDF Text Transcription

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tm TE CH Preliminary T6313A Low Noise, High Efficiency WhiteLED Charge Pump FEATURES • 4 Current Source Outputs • 20mA Full Scale Current for each LED www.DataSheet4U.com • Power efficency up to 93% • 32 levels for brightness • 2 wires interface • Low Noise Constant Frequency Operation • High Accuracy Brightness Matching • White LED Backlighting • 0.5% LED current matching • Automatic Soft-Start • No External Inductors, Schottky, or Zener Diode and Resistor Required • 500KHz Switching Frequency (1MHz optional) • 2.7V to 5.5V supply voltage • Shutdown current is less 1uA • Temperature Range -40 to 85°C • 16-Pin QFN GRNERAL DESCRIPTION The T6313A is a charge pump DC/DC converter driving a constant current up to 20mA for each LED of total four LEDs.
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