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SSL5031TS - Compact buck-boost LED driver

General Description

The SSL5031TS is a highly integrated, high-precision, non-isolated MOSFET buck-boost controller.

It is intended to drive LED lamps in universal mains non-dimmable lighting applications up to 25 W.

The SSL5031TS operates in Boundary Conduction Mode (BCM) with on-time regulation.

Key Features

  • Driving LED strings from a rectified mains supply.
  • Small electronic Bill of Materials (BOM) enabling a compact solution and a small, single layer Printed-Circuit Board (PCB) footprint.
  • Excellent line regulation, load regulation and LED output current accuracy.
  • Efficient BCM operation with:.
  • Minimum reverse recovery losses in freewheel diode.
  • Zero Current Switching (ZCS) and valley switching for switch turn-on.
  • Minimal inductance value and size required.
  • H.

📥 Download Datasheet

Datasheet Details

Part number SSL5031TS
Manufacturer Silergy
File Size 234.37 KB
Description Compact buck-boost LED driver
Datasheet download datasheet SSL5031TS Datasheet

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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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SSL5031TS Compact buck-boost LED driver IC Rev. 1.1 — 31 March 2016 Product data sheet 1. General description The SSL5031TS is a highly integrated, high-precision, non-isolated MOSFET buck-boost controller. It is intended to drive LED lamps in universal mains non-dimmable lighting applications up to 25 W. The SSL5031TS operates in Boundary Conduction Mode (BCM) with on-time regulation. Operating in BCM provides a constant output current control with high accuracy. Adaptive switching frequency gives freedom to choose the inductor, which enables the optimization of inductor size, efficiency and EMI. The SSL5031TS starts up directly from an external resistor without dV/dt supply or auxiliary supply. It operates in switching mode. This feature simplifies the VCC supply.