UCC3973 - BiCMOS Cold Cathode Fluorescent Lamp Driver Controller

This page provides the datasheet information for the UCC3973, a member of the UCC1972 BiCMOS Cold Cathode Fluorescent Lamp Driver Controller family.

Product Overview

Unitrode

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Datasheet Details

Part number	UCC3973
Manufacturer	Unitrode
File Size	1.10 MB
Description	BiCMOS Cold Cathode Fluorescent Lamp Driver Controller
Datasheet	UCC3973 Datasheet
Additional preview pages of the UCC3973 datasheet.

UCC3973 Product details

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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Published: Apr 30, 2020 |