this is information on a product in full production. for further information contact your local stmicroelectronics sales office. march 2012 doc id 022409 rev 2 1/4 4 STEVAL-ILD003V1 analog wall dimmer for cfl/led lamps based on the ts820 (eu version 220 v) data brief ? production data features line voltage: 198 - 264 v 50/60 hz maximum operating ambient temperature: 60 c incandescent 230 v lamp power: ? minimum power: 20 w ? maximum power: 350 w (without heatsinks mounted on scrs (a) ) dimmable lamps that can be used: ? cfl lamp (typically 14 w) ? led lamp (typically 6 w) rohs compliant description the purpose of the STEVAL-ILD003V1 demonstration board is to evaluate st?s scr dimming solution for low-consumption lamps, particularly cfl and led lamps, eliminating flicker, and to be able to directly test most dimmable loads currently on the market. through-hole technology is used for the most important components such as the lc filter, gate resistor, turn-on delay capacitor, etc., in order to allow board modification, if needed. ac light dimmers based on scr dimming technology eliminate flickering as a continuous current is applied through the gate. an scr dimmer could easily replace a standard low-cost analog triac light dimmer by using a diac- controlled circuit. a. higher power could be reac hed with a different filter inductor and scr heatsink. www.st.com
circuit schematic STEVAL-ILD003V1 2/4 doc id 022409 rev 2 1 circuit schematic figure 1. STEVAL-ILD003V1 schematic $ 0 y
STEVAL-ILD003V1 revision history doc id 022409 rev 2 3/4 2 revision history table 1. document revision history date revision changes 26-oct-2011 1 initial release. 16-mar-2012 2 changed board image on cover page
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