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SSL2129AT Datasheet Dimmable LED controller IC

Manufacturer: NXP Semiconductors

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General Description

The SSL2129AT is a high-voltage Integrated Circuit (IC) for driving LED lamps in general lighting applications.

The main benefits of this IC include: • Small Printed-Circuit Board (PCB) footprint and compact solution • High efficiency (up to 95 %) for non-dimmable high power factor solutions • High power factor (>0.9) • Ease of integration and many protection

Overview

SSL2129AT Dimmable LED driver IC Rev.

4 — 3 October 2013 Product data sheet 1.

Key Features

  • LED driver IC for driving strings of LEDs or high-voltage LED modules from a rectified mains supply.
  • Driver provides power-efficient boundary conduction mode of operation with:.
  • No reverse recovery losses in freewheel diode.
  • Zero-Current Switching (ZCS) for switch turn-on.
  • Zero-voltage or valley switching for switch turn-off.
  • Minimal required inductance value and size.
  • Fast transient response through cycle-by-cycle current control:.
  • No over or undershoots.

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