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UCC1972 - BiCMOS Cold Cathode Fluorescent Lamp Driver Controller

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 – UCC1972

Datasheet Details

Part number UCC1972
Manufacturer Unitrode
File Size 1.10 MB
Description BiCMOS Cold Cathode Fluorescent Lamp Driver Controller
Datasheet download datasheet UCC1972 Datasheet
Additional preview pages of the UCC1972 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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