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1st November 2007, 09:44 AM
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how to protect it?
Hi All,
how to protect 78L05 from being short circuit ? should i use diode between output and input terminals ?.....what is the value of the diode Thank you |
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1st November 2007, 10:55 AM
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Quote:
The 78L05 has inbuilt short circuit protection, see jpg The diode across the 78L05 is to protect it from a reverse voltage. Usually a 1N4001 diode would do the job. EDIT: this 2nd jpg shows more detail, I realise its a LM317, but it shows the purpose of the diodes.
__________________
Eric "Good enough is Perfect" PIC tutorials: Gramo's: www.digital-diy.net/ Bill's: www.blueroomelectronics.com/ Last edited by ericgibbs; 7th July 2008 at 11:22 AM. |
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