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Forum: µC & Digital Electronics Generating -3.3V and +5V DC from 12 V DC - Breakout-Board


Author: felix13 (Guest)
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Hi,

I would like to connect a sensor board to a 12V battery.

The sensor board requires two voltages: -3.3V and 5V.
I do not want to realize the connection with a so called "virtual 
ground".

I found an interesting double dc/dc converter: 
http://cds.linear.com/docs/en/datasheet/8471fb.pdf, which would fit my 
requirements. As a software guy I would prefer a breakout board.

Do you know such breakout board? Some other recommendations?

Best regards,
Felix

Author: jeff (Guest)
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felix13 wrote:
> The sensor board requires two voltages: -3.3V and 5V.
Voltage only or also some current?

Author: felix13 (Guest)
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Hi Jeff,

current is low (under 100mA).

Regards,
felix

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