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UBA20261

NXP
Part Number UBA20261
Manufacturer NXP
Description 600V and 350V power IC
Published Nov 27, 2014
Detailed Description UBA20261/2 600 V and 350 V power IC for step dimmable CFLs Rev. 2 — 10 October 2011 Product data sheet 1. General de...
Datasheet PDF File UBA20261 PDF File

UBA20261
UBA20261

Overview
UBA20261/2 600 V and 350 V power IC for step dimmable CFLs Rev.
2 — 10 October 2011 Product data sheet 1.
General description The UBA20261/2 are high-voltage power integrated circuits designed to drive and control high powered self-ballasted Compact Fluorescent Lamp (CFL) lighting applications operating at mains supply voltages of 120 V or 230 V.
The IC includes a half-bridge power circuit consisting of two NMOST power MOSFETs, an advanced feature for step dimming and a lamp current controlled boost feature for boosting cold (amalgam) CFLs.
The controller contains a CFL half-bridge drive function, 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 UBA20261/2 are supplied using the dV/dt current charge supply circuit from the half-bridge circuit.
Remark: The mains voltages given in this data sheet are AC voltages.
2.
Features and benefits 2.
1 Half-b...


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