SSL2103DB03

SSL2103 120V 21W/700mA Flyback Reference Design


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Demo board description

The demo board is a 120V, 21W, dimmable LED driver featuring the SSL2103. The board employs a flyback converter to provide a simple and efficient solution for mains dimmable, LED recessed-light applications that require galvanic isolation.

The demo board is designed to highlight high performance dimming, wide dimmer compatibility, cost-effectiveness and high efficiency in dimmable LED driving applications. The demo boards efficient bleeding circuit ensures wide dimmer compatibility and flicker-free dimming operation for leading edge (triac) and falling edge (transistor) dimmers. The board operates at around 70 kHz and produces a constant output current up to 700 mA to drive 8 to 9 LEDs. The corresponding output voltage range is 23 V to 30 V. The optimized circuit design, external MOSFET and valley switching help to achieve efficiency up to 85 %.

Features

  • Input voltage: 120V mains
  • Mains dimmable
  • Output voltage: 23V-30V (8~9 LEDs)
  • Output current: 700mA (adjustable from 450mA)
  • High efficiency: > 84%
  • High power factor: > 0.9
  • Output current regulation: < 6%
  • 2.2 inch round PCB

Descriptive summary

Demobox content

SSL2103DB03 Reference design, CD with documentation

All information on this product information page is subject to the subsequent disclaimers:

Documentation for this product

File nameTitleTypeFormatDate
AN10937Dimmable LED based lampsApplication notepdf2011-05-23
SSL2103DB03_Gerber_filesGerber files: SSL2103 120V 21W / 700mA Flyback reference designOther typezip2011-11-24
UM10475120 V 21 W 700 mA reference design using SSL2103User manualpdf2011-12-21

Demo boards

Type numberOrdering code(12NC)Orderable part numberProducts statusRegionDistributorIn stockOrder quantityInventory dateBuy online
SSL2103DB039352 951 77598SSL2103DB03,598Volume production      
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Products

Type numberDescriptionStatusQuick access
SSL2103TDimmable LED controller IC Download datasheet

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