So there will be a voltage drop associated with the udn2981, when used properly. Is there any simple way to buck that voltage back to the common voltage that is powering that IC, without having to use a relay. The Voltage drop can be 1-2 volts. I've seen about 1.3 volt drop. Pretty much looking fro an inductior/resistor/capacitor combination that can raise the voltage to common power, but would still keep the voltage at zero if the output from the udn2981 was zero.
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