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UBA2021 Datasheet 630 V Driver Ic For Cfl And Tl Lamps

Manufacturer: NXP Semiconductors

Overview: UBA2021 630 V driver IC for CFL and TL lamps Rev. 04 — 25 July 2008 Product data sheet 1.

General Description

The UBA2021 is a high voltage IC intended to drive and control pact 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.

2.

Key Features

  • I Adjustable preheat and ignition time. I Adjustable preheat current. I Adjustable lamp power. I Lamp power independent from mains voltage variations. I Overpower protection. I Lamp temperature stress protection at higher mains voltages. I Capacitive mode protection. I Protection against a drive voltage that is too low for the power MOSFETs. 3. Quick reference data Table 1. Quick reference data Symbol Parameter High voltage supply VFS high side supply voltage Start-up state VVS(start) os.

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UBA2021 Distributor