Datasheet Details
- Part number
- KA7540
- Manufacturer
- Samsung
- File Size
- 104.18 KB
- Datasheet
- KA7540_Samsungsemiconductor.pdf
- Description
- Simple Dimming Ballast Control IC
KA7540 Description
www.fairchildsemi.com KA7540 Simple Dimming Ballast Control IC .
The KA7540 provides simple and high performance electronic ballast control functions.
KA7540 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
KA7540 Applications
* Electronic Ballast
* Lighting Control System
* Half-bridge Drive Control System
1
8-SOP
1
Rev. 1.0.1
©2001 Fairchild Semiconductor Corporation
KA7540
Internal Block Diagram
UVLO 2V Ref CS 6.8µF 1 25µA VZ Vref
* + 17µA VZ IS UVLO Internal bias 1.8V +
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