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SSL5511T

Silergy
Part Number SSL5511T
Manufacturer Silergy
Description Greenchip controller
Published May 25, 2020
Detailed Description SSL5511T Greenchip controller for LED lighting with DIM pin Rev. 2.1 — 31 March 2016 Product data sheet 1. General d...
Datasheet PDF File SSL5511T PDF File

SSL5511T
SSL5511T

Overview
SSL5511T Greenchip controller for LED lighting with DIM pin Rev.
2.
1 — 31 March 2016 Product data sheet 1.
General description The SSL5511T is an offline dimmable controller IC, intended to drive dimmable LEDs in general lighting applications, like remote-controlled luminaires and smart lamps.
The main benefits of this IC include: • Dim level control with either an analog or a digital control input • Selectable modes for high power factor or low ripple, allowing a wide LED power range • Large dimming range • Single stage topology for small PCB footprint • Ease of design-in • Integrated start-up JFET • Low electronic Bill Of Material (BOM) • Various converter topologies supported The IC drives an external switch for easy power scaling.
It has been designed to start up directly from the High-Voltage (HV) supply by an internal high-voltage current source.
Flyback, buck and buck-boost circuit topologies are supported.
Primary side sensing provides accurate output current control.
The IC can detect analog signals (according to IEC60929 annex E) or digital control signals and translate them to a continuous LED current in multiple ways.
It can operate in three switching modes at two switching frequency ranges.
It offers tradeoffs between the output current ripple, the mains current Total Harmonic Distortion (THD) and the application size.
The IC incorporates all required protection features.
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SSL5511T Greenchip controller for LED lighting with DIM pin 2.
Features and benefits  LED controller IC for driving strings of LEDs or high-voltage LEDs from rectified mains  High-efficiency switch mode buck, flyback or buck-boost controller driving an external power FET  Two maximum switching frequencies for highest efficiency or smallest application size  Zero current switching at switch turn-on  Zero voltage or valley switching at switc...


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