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IC7809,IC7812

Parx Posted Oct 04, 2007

Details of legs

Can u illustrate me how to fix the 3 legs on a PCB? I mean can u show how to identify the no. of the legs i.e.1,2,3? Please reply asap.

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    Re: IC7809,IC7812

     Don Posted Oct 05, 2007

    on both regulators, pin 1 is input, pin 2 is ground, pin 3 is output. 7809 outputs 9 volts, 7812 outputs 12 volts. input voltage should be at least 3 volts higher that output.

    Comments 3, Last comment by hoang Nov 22, 2008



  


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