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SSL4120T Datasheet Resonant Power Supply Controller

Manufacturer: Silergy

Overview: SSL4120T Resonant power supply control IC with PFC Rev. 1 — 21 June 2012 Objective data sheet 1.

Datasheet Details

Part number SSL4120T
Manufacturer Silergy
File Size 0.97 MB
Description Resonant power supply controller
Datasheet SSL4120T-Silergy.pdf

General Description

The SSL4120T integrates a Power Factor Corrector (PFC) controller and a controller for a Half-Bridge resonant Converter (HBC) in a multi-chip IC.

It provides the drive function for the discrete MOSFET in an up-converter and for the two discrete power MOSFETs in a resonant half-bridge configuration.

The efficient operation of the PFC is achieved by implementing functions such as quasi-resonant operation at high power levels and quasi-resonant operation with valley skipping at lower power levels.

Key Features

  • 2.1 General features.
  • Integrated PFC and HBC controllers.
  • Universal mains supply operation (70 V to 276 V (AC)).
  • High level of integration resulting in a low external component count and a cost effective design.
  • Enable input (enable only PFC or both PFC and HBC controllers).
  • On-chip high-voltage start-up source.
  • Stand-alone operation or IC supplied from external DC source 2.2 PFC controller features.
  • Boundary mode operation with on-time control.
  • Valley/zer.

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SSL4120T Distributor