Re: 5Vdc to 22Vdc: how?

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#244

From: Ramke
Date: Mon, 21 May 2007 06:28

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On 20 mei, 09:59, "M." <m.horem...@skynet.be> wrote:
> Hi,
> for a small elektronic projekt I need to convert 5Vdc to 22-24Vdc at 100mA
> max.
> It has to be done on PCB and the area needs to be as small as possible.
> Are there any special IC's available for this?

Yes, they are called step-up voltage converters.  Maxim and National
has them.
Maybe the http://cache.national.com/ds/LM/LM3477.pdf can do.

Watch out for the FB-pin as it is very sensitive for overvoltage,
never connect FB to the output when the converter is running with the
FB disconnected.

>
> Thanks,
> Marc

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From: Ramke <on_vier@skynet.be>
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Subject: Re: 5Vdc to 22Vdc: how?
Date: 20 May 2007 23:28:48 -0700
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