SSL2109 - NXP Semiconductors

SSL2109 GreenChip controller

The SSL2109 series is a range of high-voltage Integrated Circuits (IC) for driving LED lamps in general lighting applications. The main benefits of this IC include: • • • • Small Printed-Circuit Board (PCB) footprint, and compact solution High efficiency (up to 95 %) Ease of integration and many protection features Low electronic Bill Of Material (BOM) Th.

Features

 LED controller IC for driving strings of LEDs or high-voltage LED modules from a rectified mains supply
 Part of a high-efficiency switch mode buck driver product family
 Controller that has power-efficient boundary conduction mode of operation with:  No reverse recovery losses in freewheel diode  Zero Current Switching (ZCS) for switch turn-on  Zero voltage or valley switching for switch turn-off  Minimal required inductance value and size
 Direct PWM dimming possible
 Fast transient response through cycle-by-cycle current control:  Negligible AC mains ripple in LED current and min.