Simple negative power supply (-5V / -12V / -15V)
Simple negative power supply (-5V / -12V / -15V)
Sometimes you need a simple negative power supply. The best example is the contrast PSU for common small LCD device. Building -5V from a battery or a wallmart supply isn’t really easy.Here is a simple design small device that is able to provide -5V, -12V, -15V. He used the MAX 764/765/766 series.
   Simple negative power supply (-5V / -12V / -15V)
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