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T6309B - Micropower Step-up DC/DC Converter

General Description

The T6309B is a step-up DC/DC converter that drives LED with a constant current.

The device can driver up to 3 series LEDs from a single-cell Li-Ion battery.

Series connection of the LEDs provides constant LED current that results in uniform brightness.

Key Features

  • Matched LED Current with Overvoltage www. DataSheet4U. com Protection.
  • Drives LEDs in series.
  • Up to 85% Efficiency.
  • Low 400mV Feedback Reference, Optional 1.19V Feedback Reference.
  • Internal Current Limit 250mA.
  • Under Voltage Lock Out Circuits.
  • 0.1uA Low Shutdown Supply Current.
  • 6-pin SOT-23 Package.
  • ESD Human Body Mode Over 5KV.

📥 Download Datasheet

Datasheet Details

Part number T6309B
Manufacturer Taiwan Memory Technology
File Size 171.61 KB
Description Micropower Step-up DC/DC Converter
Datasheet download datasheet T6309B Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
tm TE CH T6309B Micropower Step-up DC/DC Converter FEATURES • Matched LED Current with Overvoltage www.DataSheet4U.com Protection • Drives LEDs in series • Up to 85% Efficiency • Low 400mV Feedback Reference, Optional 1.19V Feedback Reference • Internal Current Limit 250mA • Under Voltage Lock Out Circuits • 0.1uA Low Shutdown Supply Current • 6-pin SOT-23 Package • ESD Human Body Mode Over 5KV GRNERAL DESCRIPTION The T6309B is a step-up DC/DC converter that drives LED with a constant current. The device can driver up to 3 series LEDs from a single-cell Li-Ion battery. Series connection of the LEDs provides constant LED current that results in uniform brightness. The T6309B features a minimum off-time current-limited PFM control scheme.