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convert +10v to -5v (100mA)

 
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kkdelabaca



Joined: 18 Apr 2003
Posts: 86


Post15 Sep 2004 18:53   convert +10v to -5v (100mA)

Hello,

Somebody can suggest an inverter to obtain -5v (100mA) from +10v .

Thks!
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House_Cat



Joined: 21 Feb 2002
Posts: 1300
Helped: 268


Post15 Sep 2004 20:19   Re: convert +10v to -5v (100mA)

Take a look at the following for the MAX739 :

http://pdfserv.maxim-ic.com/en/ds/MAX736-MAX759.pdf
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vco96



Joined: 16 Mar 2004
Posts: 32


Post15 Sep 2004 21:22   Re: convert +10v to -5v (100mA)

for a low power converter use the 555 timer to generate a 50 - 100 KHz square wave to drive a two diode rectifier (diodes are reversed from a regular two diode rectifier to generate a negative voltage). You should have -10 V coming out of which you can use 7905 regulator to obtain -5 V.
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