This is a Simple 0.5V Negative Supply Circuit Diagram. This simple circuit consists of two LEDs and a photo diode. It generates a negative voltage with a current level of a couple milliamps. It is ideal for supplying a negative rail to low power “rail to rail” op amp circuits, which need to have a true zero volts output. Note: This circuits is not particularly efficient.
Simple 0.5V Negative Supply Circuit Diagram
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