yes, as the thing is purely floating.
Though use a diode (250 PIV) across the unit as a safeguard against the countercurrent if the feeding supply might get lower than the destination...
I used this already in 1984!
It will give around 5-10 mV ripple/noise.
You can put a small capacitor on the voltage intersection (100 nF) to reduce noise. But then also this must be brigden with a diode to the destination to ensure the "ground termminal" never is higher than the Vout or the unit will break down when the output goes down too fast.
Whether the simple zener/transitor is ok depends on the feed: often a zener will hardly be 'quiet'.
Though use a diode (250 PIV) across the unit as a safeguard against the countercurrent if the feeding supply might get lower than the destination...
I used this already in 1984!
It will give around 5-10 mV ripple/noise.
You can put a small capacitor on the voltage intersection (100 nF) to reduce noise. But then also this must be brigden with a diode to the destination to ensure the "ground termminal" never is higher than the Vout or the unit will break down when the output goes down too fast.
Whether the simple zener/transitor is ok depends on the feed: often a zener will hardly be 'quiet'.
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