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ULD3380 - HIGH EFFICIENCY PWM BUCK LED DRIVER CONTROLLER

General Description

The UTC ULD3380 is a PWM mode step-down converter.

By well controlling the external MOSFET and regulating a constant output current.

The output duty cycle of the UTC ULD3380 can be up to 100% for wider input voltage application.

Key Features

  • S.
  • Universal input voltage range with off-line topology.
  • Programmable constant LED current.
  • Output LED string short protection.
  • Output LED string open protection.
  • Dimmable LED current by ACTL.
  • OCP.
  • Built-in OTP.

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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.

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UNISONIC TECHNOLOGIES CO., LTD ULD3380 Preliminary LINEAR INTEGRATED CIRCUIT HIGH EFFICIENCY PWM BUCK LED DRIVER CONTROLLER  DESCRIPTION The UTC ULD3380 is a PWM mode step-down converter. By well controlling the external MOSFET and regulating a constant output current. The output duty cycle of the UTC ULD3380 can be up to 100% for wider input voltage application. The UTC ULD3380 is available in a SOT-26 package.