UBA2074 - High Voltage Full-bridge control IC

NXP

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Datasheet Details

Part number	UBA2074
Manufacturer	NXP
File Size	1.59 MB
Description	High Voltage Full-bridge control IC
Datasheet	UBA2074-NXP.pdf

UBA2074 Product details

Description

D D R A FT D R The UBA2074 is a high voltage IC intended to drive Cold Cathode Fluorescent Lamps (CCFLs) for back-lighting applications.The IC contains level-shifters, bootstrap diodes and drivers for the external full-bridge power switches.Furthermore, the UBA2074 has a build-in HF oscillator which determines the operating frequency, a phase shift controller for obtaining constant lamp current, and a PWM generator which is used to set the brightness level of the CCFLs.Multiple inverters c

Features

Suitable for operating in a very wide inverter supply voltage range (up to 550 V DC for SO28 package, up to 225 V for SSOP28 package) Wide IC supply voltage range (9 V to 30 V DC) Suitable for synchronizing multiple inverters to a single operating frequency with equal lamp current phase Adjustable maximum fault timing Integrated level-shifters Integrated bootstrap diodes Lamp current control Over-voltage control Over-current protection Ignition failure detection Hard-switching control (not in th.

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Published: Feb 15, 2014 |