Mains AC / DC Converter with SR03x

Published:2013/3/22 3:14:00 Author:Ecco | Keyword: Mains AC / DC Converter | From:SeekIC

This is another Transformerless power supply. IC voltage regulators for SR03x made ​​by Supertex is connect directly to main voltage and get the output voltage to 3.3V and 5V chip for SR036 SR037 to 30mA output current. To use this chip is not necessary to use step-down transformer or coil. Rectified input voltage to the diode bridge diodes D1 – D4 (figure point a) is input circuits IC1 SR03x.



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