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UBA20271/2
350 V and 600 V Power ICs for dimmable pact fluorescent lamps
Rev. 2.1
- 12 October 2011 Product data sheet
1. General description
The UBA20271/2 are high-voltage power ICs intended to drive and control higher powered self ballasted pact Fluorescent Lamp (CFL) lighting applications. The UBA20271/2 operate from 120 V and 230 V. The module includes a half-bridge power circuit of two NMOST power FETs. In addition, a controller circuit is included that has advanced Features for dimming and a lamp current controlled boost feature. The boost feature is used for boosting cold (amalgam) CFL. The controller contains a half-bridge drive function for CFL, a...