SSL21083

SSL21081/SSL21083 Compact non-dimmable LED driver IC Rev. 5 — 11 October 2012 Product data sheet 1. General description The SSL21081/SSL21083 are a range of high-voltage Integrated Circuits (ICs) for driving LED lamps in general mains non-dimmable lighting applications. The main benefits of these products are: Small Printed-Circuit Board (PCB) footprint, and compact solution High efficiency (up to 95 %) Ease of integration Low electronic Bill Of Material (BOM) These ICs incorporate a 300 V or 600 V MOSFET. The ICs work as boundary conduction mode converters, typically in buck configuration. The IC range has been designed to start up directly from the HV supply by an internal high-voltage current source. Thereafter, the dV/dt supply is used with capacitive coupling from the drain, or any other auxiliary supply. This function provides full flexibility in the application design. The IC consumes 1.3 mA of supply current with an internal clamp limiting the supply voltage. The ICs provide accurate output current control with LED current accuracy within 5 %. The ICs can be operated using Pulse-Width Modulation (PWM) current regulation and has many protection features including easy LED temperature feedback. 2. Features and benefits  LED driver ICs for driving LED strings from a rectified mains supply  High-efficiency switch mode buck driver product family:  SSL21081AT/SSL21081T: drivers with integrated 300 V (DC) power switches  SSL21083AT/SSL21083T: drivers with integ...