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UBA2017 - 600V fluorescent lamp driver

General Description

The UBA2017/UBA2017A are high-voltage Integrated Circuits (IC) intended to drive fluorescent lamps with filaments such as Tube Lamps (TL) and Compact Fluorescent Lamps (CFL) in general lighting applications.

Key Features

  • Half-bridge driver features:.
  • Integrated level-shifter for the high-side driver of the half-bridge.
  • Integrated bootstrap diode for the high-side driver supply of the half-bridge.
  • Independent non-overlap time.
  • Fluorescent lamp controller features:.
  • Linear dimming (UBA2017A only).
  • EOL (End-Of-Life) detection (both symmetrical and asymmetrical).
  • Adjustable preheat time.
  • Adjustable preheat current.
  • Adjustable fixed frequency preheat.
  • Lamp ignit.

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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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UBA2017/UBA2017A 600 V fluorescent lamp driver with linear dimming function Rev. 2 — 15 May 2012 Product data sheet 1. General description The UBA2017/UBA2017A are high-voltage Integrated Circuits (IC) intended to drive fluorescent lamps with filaments such as Tube Lamps (TL) and Compact Fluorescent Lamps (CFL) in general lighting applications. The IC comprises a fluorescent lamp control module, half-bridge driver and several protection mechanisms. The IC drives fluorescent lamps using a half-bridge circuit made of two MOSFETs with a supply voltage of up to 600 V. The UBA2017/UBA2017A are supplied by a start-up bleeder resistor and a dV/dt supply from the half-bridge circuit, or any other auxiliary supply derived from the half-bridge. The supply current of the IC is low.