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UBA20260 - 600V driver IC

General Description

The UBA20260 is a high-voltage integrated circuit designed to control high power self-ballasted Compact Fluorescent Lamp (CFL) lighting applications.

Key Features

  • 2.1 Half-bridge features.
  • Integrated high-voltage level-shift function with integrated bootstrap diode 2.2 Preheat and ignition features.
  • Coil saturation protection during ignition.
  • Adjustable preheat time.
  • Adjustable preheat current.
  • Ignition lamp current detection 2.3 Lamp boost features.
  • Adjustable boost timing.
  • Fixed boost current ratio of 1.5.
  • Gradually boost to burn transition timing NXP Semiconductors UBA20260 600 V driver IC for step dimmable CFL.

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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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UBA20260 600 V driver IC for step dimmable CFLs Rev. 2 — 10 October 2011 Product data sheet 1. General description The UBA20260 is a high-voltage integrated circuit designed to control high power self-ballasted Compact Fluorescent Lamp (CFL) lighting applications. The UBA20260 is a controller circuit with advanced features for step dimming and a lamp current controlled boost feature for boosting cold (amalgam) CFLs. The controller contains a half-bridge drive function for CFLs, a high-voltage level-shift circuit with integrated bootstrap diode, an oscillator function, a current control function for preheat and burn, a timer function and protection circuits. The UBA20260 is supplied using the dV/dt current charge supply circuit from the half-bridge circuit.