UCC3973, UCC1972 - BiCMOS Cold Cathode Fluorescent Lamp Driver Controller

Unitrode

UCC3973 Datasheet Preview — This datasheet PDF includes multiple part numbers: UCC3973, UCC1972. Please refer to the document for exact specifications by model.

Datasheet Details

Part number	UCC3973, UCC1972
Manufacturer	Unitrode
File Size	1.10 MB
Description	BiCMOS Cold Cathode Fluorescent Lamp Driver Controller
Datasheet	UCC1972-Unitrode.pdf
Note	This datasheet PDF includes multiple part numbers: UCC3973, UCC1972. Please refer to the document for exact specifications by model.

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 |