Este proyecto fue realizado con el propósito de reutilizar componentes reciclados de las fuentes ATX de PC sin modificar nada, se utiliza el trafo EE19 (de la etapa de Stand By 5VSB) y con tan solo variar el valor de R1 y R2, podemos obtener distintas tensiones en la salida. En este caso, utilicé para R1 27K y para R2 6K8, para obtener 12Vdc de salida (hasta 1A de carga pude conectarle). Si desean 5Vdc a la salida deberán poner tanto en R1 como en R2, resistencias de 4K7 (hasta 2A de carga en este caso).

Subiré un archivo WORD para que puedan ver como es que se realizan los jumpers del trafo EE19 sin hacer medición alguna.


Ivan Electric






May 30,2019
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