/a>LED title=LED>LED title=LED>LED驅(qū)動器,采用恒流(CC)驅(qū)動,而SSL2109參考板UBA3070能工作在230V(50Hz)或120 V (50 Hz 或60 Hz) 火線電壓.本文介紹了UBA3070參考板指標(biāo),電路圖,材料清單和PCB布局圖.

This document describes the performance, technical data and the connection of the SSL2109 reference board. The SSL2109 is an NXP Semiconductors controller IC intended to provide a low cost, small form factor LED driver. The reference board is intended to operate at 230 V or 120 V (AC), using an output voltage of 30 V or greater.

The board is optimized for a 230 V (50 Hz) or 120 V (50 Hz or 60 Hz) mains supply. In addition to the mains voltage optimization, the board is designed to work with multiple LEDs or an LED module with a high forward voltage. Mains connection of the reference
board is different from other general evaluation/reference boards. Connect the mains to the screw connector J6.

The SSL2109 is a highly integrated switching mode LED controller which enables Constant Current (CC) driving from the mains input. It is a solution for small to medium LED retrofit lamp application, especially for low-power factor design. The SSL2109 is a buck converter controller suitable for non-isolated, non-dimmable LED retrofit lamps. It can drive long LED strings with, typically 70 V forward voltages. The SSL2109 is intended to operate with higher output voltages, as in modern LED modules.

圖1.SSL2109 UBA3070參考板外形圖:頂視圖

圖2.SSL2109 UBA3070參考板外形圖:底視圖

SSL2109 UBA3070參考板指標(biāo):

圖3.SSL2109 UBA3070參考板電路圖

UBA3070參考板材料清單:

圖4.SSL2109 UBA3070參考板元件布局圖:頂層

圖5.SSL2109 UBA3070參考板元件布局圖:底層