ABS MAX and 6V battery, is it safe?

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  1. - 27th August 2007, 04:43 #1
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    Jerson
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    I have a design thats up and running for years now. One version of it is based on 16F628A and the other around a 16f917. Both of them run off 4xA sized dry/alkaline cells. In series with the cells is a 1N4007 for polarity reversal protection. The device usually lies in sleep mode and gets woken by a keypress. So, I guess, your app would work Ok.
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  2. - 27th August 2007, 16:40 #2
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    thanks for your comment
    can you confirm that with fresh batteries your sleep voltage post diode is about 6.2V ?
    ds
  3. - 27th August 2007, 17:13 #3
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    Jerson
    did you use such a high voltage rating (1N4007) for any particular reason (higher Vf ?)
    ds
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