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KA7540

Part Number	KA7540
Manufacturer	Samsung
Description	Simple Dimming Ballast Control IC
Published	Apr 25, 2005
Detailed Description	www.fairchildsemi.com KA7540 Simple Dimming Ballast Control IC Features • • • • • • • • Internal soft start No lamp pr...
Datasheet	KA7540 PDF File

Overview

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...

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