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UBA2072 Datasheet Low Voltage Full-bridge Control Ic

Manufacturer: NXP Semiconductors

Overview: D R A FT D D R A FT D D R A FT D R D R A FT D D R A FT UBA2072 Rev. 08.0 — February 2007 Low Voltage Full-bridge control IC for CCFL backlighting R Preliminary data sheet D R A FT R A FT D R A R R A FT D A FT A FT D R A FT D R A FT R A FT D A FT D R FT D R A F D R A FT 1.

General Description

D D R A FT D R The UBA2072 is a low 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 UBA2072 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.

Key Features

  • Wide supply voltage range (9 V to 30 V DC) Adjustable maximum fault timing Integrated level-shifters Integrated bootstrap diodes Lamp current control Over-voltage control Over-current protection Ignition failure detection Arcing detection Brightness level adjustment through PWM dimming Integrated PWM generator 3.

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UBA2072 Distributor