630 V Driver IC for CFL and TL Lamps

UBA2021
  • Not Recommended for New Designs
  • This page contains information on a product that is not recommended for new designs.

The UBA2021 is a high voltage IC intended to drive and control Compact Fluorescent Lamps (CFL) or fluorescent TL lamps. It contains a driver circuit for an external half-bridge, an oscillator and a control circuit for starting up, preheating, ignition, lamp burning and protection.

Block Diagram

UBA2021 Block Diagram

UBA2021 Block Diagram
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Features

Key Features

  • Adjustable preheat and ignition time
  • Adjustable preheat current
  • Adjustable lamp power
  • Lamp power independent from mains voltage variations
  • Overpower protection
  • Lamp temperature stress protection at higher mains voltages
  • Capacitive mode protection
  • Protection against a drive voltage that is too low for the power MOSFETs
  • Compact Fluorescent Lamps (CFL)

Part numbers include: UBA2021T.

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