piclist 2001\08\29\071354a >
Thread: 35 to 40 Volt Output Charge Pump
www.piclist.com/techref/ios.htm?key=output
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face BY : mikeTakeThisOuT@KILLspamwhitewing.co.uk



On Wed, 29 Aug 2001 09:34:03 +0100, you wrote:

>Hi
>
>Does anyone know of a circuit to generate 35 to 40 Volt output?
>
>The Voltages available to power the circuit are:
>
>3.3V, or 5V, or 10V, or 20V
>
>Thanks
How much current do you need ? If low (a mA or two), a charge-pump based on a 4049 hex inverter (2
gates for the oscillator, and two pairs of parallelled gates as
drivers) ruuning from the 10V supply will be the cheapest option.
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Subject (change) 35 to 40 Volt Output Charge Pump

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