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SSL21083AT - Compact non-dimmable LED driver

General Description

The SSL21083AT is a high-voltage Integrated Circuit (IC) for driving LED lamps in general mains non-dimmable lighting applications.

Small Printed-Circuit Board (PCB) footprint; compact solution High efficiency (up to 95 %) Ease of integration

Key Features

  • LED driver ICs for driving LED strings from a rectified mains supply.
  • High-efficiency switch mode buck driver product family:.
  • drivers with integrated 600 V (DC) power switches.
  • Controller with power-efficient boundary conduction mode of operation with:.
  • No reverse recovery losses in freewheel diode.
  • Zero Current Switching (ZCS) for turn-on of switch.
  • Zero voltage or valley switching for turn-on of switch.
  • Minimal required inductance value and size.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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SSL21083AT Compact non-dimmable LED driver IC Rev. 6 — 4 October 2013 Product data sheet 1. General description The SSL21083AT is a high-voltage Integrated Circuit (IC) for driving LED lamps in general mains non-dimmable lighting applications. The main benefits are: • Small Printed-Circuit Board (PCB) footprint; compact solution • High efficiency (up to 95 %) • Ease of integration • Low electronic Bill Of Material (BOM) The IC incorporates a 600 V MOSFET. The IC works as boundary conduction mode converters, typically in buck configuration. It has been designed to start up directly from the HV supply by an internal high-voltage current source. Thereafter, the dV/dt supply is used with capacitive coupling from the drain or any other auxiliary supply.