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UCC2972 - BiCMOS Cold Cathode Fluorescent Lamp Driver Controller

This page provides the datasheet information for the UCC2972, a member of the UCC1972 BiCMOS Cold Cathode Fluorescent Lamp Driver Controller family.

Datasheet Summary

Description

Design goals for a Cold Cathode Fluorescent Lamp (CCFL) converter used in a notebook computer or portable application include small size, high efficiency, and low cost.

Features

  • 1mA Typical Supply Current.
  • Accurate Lamp Current Control.
  • Analog or Low Frequency Dimming Capability.
  • Open Lamp Protection.
  • Programmable Startup Delay.
  • 4.5V to 25V Operation.
  • PWM Frequency Synchronized to External Resonant Tank.
  • 8 Pin TSSOP and SOIC Packages Available.
  • Internal Voltage Clamp Protects Transformer from Over-voltage (UCC3973).

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Datasheet preview – UCC2972

Datasheet Details

Part number UCC2972
Manufacturer Unitrode
File Size 1.10 MB
Description BiCMOS Cold Cathode Fluorescent Lamp Driver Controller
Datasheet download datasheet UCC2972 Datasheet
Additional preview pages of the UCC2972 datasheet.

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Full PDF Text Transcription

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UCC1972/3 UCC2972/3 UCC3972/3 BiCMOS Cold Cathode Fluorescent Lamp Driver Controller FEATURES • 1mA Typical Supply Current • Accurate Lamp Current Control • Analog or Low Frequency Dimming Capability • Open Lamp Protection • Programmable Startup Delay • 4.5V to 25V Operation • PWM Frequency Synchronized to External Resonant Tank • 8 Pin TSSOP and SOIC Packages Available • Internal Voltage Clamp Protects Transformer from Over-voltage (UCC3973) TYPICAL APPLICATION CIRCUIT DESCRIPTION Design goals for a Cold Cathode Fluorescent Lamp (CCFL) converter used in a notebook computer or portable application include small size, high efficiency, and low cost.
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