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LX1691B - Enhanced Multi-Mode CCFL Controller

Datasheet Summary

Description

The LX1691B is an enhanced Direct modes that control lamp current amplitude Drive CCFL (Cold Cathode Fluorescent and duty cycle simultaneously or separately.

Lamp) Controller.

Its architecture is based on Designers can select normal or reverse the LX1691.

Features

  • Wide Input Voltage Capable Simultaneous Amplitude And Duty Cycle Dimming Modes Resistor programmable min and max lamp currents Digital Dimming Can Synch To External Or Internal Clocks 120 ms Power On Delay Open Or Shorted Lamp Regulation & Shutdown “On Chip” Full Wave Lamp Current Rectifier 16 Pin TSSOP Package Very Stable Oscillator with OnChip timing capacitor Enhanced Digital Dimming Resolution.

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Datasheet preview – LX1691B

Datasheet Details

Part number LX1691B
Manufacturer Microsemi Corporation
File Size 125.52 KB
Description Enhanced Multi-Mode CCFL Controller
Datasheet download datasheet LX1691B Datasheet
Additional preview pages of the LX1691B datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com TM ® LX1691B Enhanced Multi-Mode CCFL Controller P RELIMINARY D ATA S HEET DESCRIPTION The LX1691B is an enhanced Direct modes that control lamp current amplitude Drive CCFL (Cold Cathode Fluorescent and duty cycle simultaneously or separately. Lamp) Controller. Its architecture is based on Designers can select normal or reverse the LX1691. The LX1961B is optimized for polarity dimming and precisely program wide input voltage applications. It is similar minimum and maximum lamp currents with to the LX1691 except it has a guaranteed resistors. Fault protection includes open minimum lamp strike interval of one second1 lamp voltage regulation and shutdown for to meet notebook and monitor panel over voltage and over current conditions. manufacturer’s specifications.
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