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KA7540 - Simple Dimming Ballast Control IC

Datasheet Summary

Description

The KA7540 provides simple and high performance electronic ballast control functions.

KA7540 is optimized for electronic ballast requiring a minimum board area, reduced component count and low power dissipation.

Features

  • Internal soft start No lamp protection Voltage controlled dimming Trimmed 1.5% internal bandgap reference Under voltage lock out with 1.8V of hysteresis Totem pole output with high state clamp Low start-up and operating current 8-pin DIP & 8-pin SOP.

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Datasheet preview – KA7540

Datasheet Details

Part number KA7540
Manufacturer Samsung
File Size 104.18 KB
Description Simple Dimming Ballast Control IC
Datasheet download datasheet KA7540 Datasheet
Additional preview pages of the KA7540 datasheet.

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Full PDF Text Transcription

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www.fairchildsemi.com KA7540 Simple Dimming Ballast Control IC Features • • • • • • • • Internal soft start No lamp protection Voltage controlled dimming Trimmed 1.5% internal bandgap reference Under voltage lock out with 1.8V of hysteresis Totem pole output with high state clamp Low start-up and operating current 8-pin DIP & 8-pin SOP Descriptions The KA7540 provides simple and high performance electronic ballast control functions. KA7540 is optimized for electronic ballast requiring a minimum board area, reduced component count and low power dissipation. Internal soft start circuitry eliminates the need for an external soft start PTC resistor. Voltage controlled dimming circuit is built into the IC to control the lighting output in a wide range.
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