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SSL8516T

Silergy
Part Number SSL8516T
Manufacturer Silergy
Description Greenchip PFC and flyback controller
Published May 25, 2020
Detailed Description SSL8516T Greenchip PFC and flyback controller Rev. 1.1 — 13 March 2015 Product data sheet 1. General description The G...
Datasheet PDF File SSL8516T PDF File

SSL8516T
SSL8516T

Overview
SSL8516T Greenchip PFC and flyback controller Rev.
1.
1 — 13 March 2015 Product data sheet 1.
General description The GreenChip is the latest generation of green Switched Mode Power Supply (SMPS) controller ICs.
The SSL8516T combines a controller for Power Factor Correction (PFC) and a flyback controller.
Its high level of integration enables cost-effective LED lighting application power supply design using a very low number of external components.
The PFC operates in Quasi-Resonant (QR) or Discontinuous Conduction Mode (DCM), with valley switching.
The specially built-in green functions provide high efficiency at all power levels.
At high power levels, the flyback operates in QR mode or DCM with valley detection.
At medium power levels, the flyback controller switches to Frequency Reduction (FR) mode and limits the peak current to an adjustable minimum value.
It ensures high efficiency while minimizing the audible noise from the transformer.
In low-power mode, the PFC switches off to maintain high efficiency.
Valley switching is used in all operating modes.
The SSL8516T is a Multi-Chip Module (MCM), containing two chips.
The proprietary high-voltage BCD800 process makes direct start-up possible from the rectified universal mains voltage in an effective and green way.
The second low voltage Silicon-On-Insulator (SOI) is used for accurate, high-speed protection functions and control.
The SSL8516T enables easy design of highly efficient and reliable LED lighting application power supplies between 25 W and 300 W.
LED drivers in particular benefit from the high level of integration.
The IC meets the lighting class C requirements on mains current harmonics as specified by IEC 61000-3-2 over a wide input voltage range and a wide output power range.
Remark: All values in this document are typical values unless otherwise stated.
Silergy Corp.
SSL8516T Greenchip PFC and flyback controller 2.
Features and benefits 2.
1 Distinctive features  Integrated PFC and flyback cont...


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