STEVAL-ILD003V1

STEVAL-ILD003V1 Analog wall dimmer for CFL/LED lamps based on the TS820 (EU version 220 V) Data brief Features ■ Operation for 2-wire wall dimmer ■ Leading-edge control (compatible with all lamps commonly found on the market) ■ Operation on 230 V line rms voltage (198 to 264 V) and 50 Hz or 60 Hz line frequency ■ Dimmable power range with halogen, CFL and LED lamps (without heatsinks mounted on SCRs(a)): – 3 to 350 W for 230 V rms line ■ Maximum operating ambient temperature: 60 °C ■ Power efficiency @ 350 W / 230 V > 99% ■ Standby losses @ 230 V < 0.5 W (could be reduced to 0 if potentiometer features a mechanical switch to open the circuit at minimum setting) ■ RoHS compliant resistor, turn-on delay capacitor, etc., in order to allow board modification, if needed. The STEVAL-ILD003V1 eliminates flickering thanks to its continuous current applied through the sensitive SCR gate. This dimmer could easily replace a standard low-cost analog Triac light dimmer using a Diac-controlled circuit. Compliance with EMC standards ■ IEC 61000-4-4: criteria A for more than 2 kV ■ Compliant with EN55015 with 350 W / 230 V halogen lamp Description The STEVAL-ILD003V1 demonstration board is designed to propose a low-cost analog dimmer topology using a sensitive SCR TS820-600FP. The dimmer can drive typical low-consumption lamps, particularly CFL and LED dimmable lamps. Through-hole technology is used for the most important components such as LC filter, gate a. Higher power could be reached with a different filter inductor and SCR heatsink. February 2013 Doc ID 022409 Rev 3 For further information contact your local STMicroelectronics sales office. 1/4 www.st.com 4 Circuit schematic 1 STEVAL-ILD003V1 Circuit schematic Figure 1. STEVAL-ILD003V1 schematic !-V 2/4 Doc ID 022409 Rev 3 STEVAL-ILD003V1 2 Revision history 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 15-Feb-2013 3 Updated features on cover page Doc ID 022409 Rev 3 3/4 STEVAL-ILD003V1 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. 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