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KA7543D Datasheet PDF - Fairchild Semiconductor

Part NameDescriptionManufacturer
KA7543D Advanced Feedback Dimming Ballast Control IC Fairchild
Fairchild Semiconductor Fairchild
Other PDF  no available.
KA7543D Datasheet PDF : KA7543D pdf   
KA7543 image

Descriptions
The KA7543 is an advanced lamp current feedback dimming control IC. This ballast control IC provides all of the necessary features to implement wide range dimming control, soft start and constant power consumption for intelligent electronic ballast systems. The KA7543 is optimized for advanced electronic ballast systems requiring minimum board area. External component counts can be reduced by adopting the KA7543.

Features
• Lamp Current Feedback
• Soft Start on Feedback
• Voltage Dimming (0V~2V) on Feedback
• Switch off Control (Vdm=5V)
• Soft Dimming Control
• No Lamp Protection
• One Lamp Detection for Feedback
• Abnormal Protection
• Low Start-up and Operating Supply Current
• UVLO with 1.8V Hysteresis
• Totem Pole Output
• Trimmed 1.5% Internal Bandgap Reference
• 14-DIP & 14-SOP

Applications
• Electronic Ballast
• Lighting Control System
• Half Bridge Drive Control System

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