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28V Discrete with 50mA limit

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yoyo

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28v discrete switch

I need a simple circuit that could switch either 28V and 0V with 50 mA current limit. Any idea? Any simple IC can do this?
Thanks!
 

with 50mA of current, most of the IC can handle this. May I know what's your input? If your input is lower than the output then you need a boost converter. If your input is higher, then you can use regulator and other ICs.
 

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