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Powering Differential Receivers Question - yet again - 5 Volt supply

Started by Tory Street Lights (NZ), November 05, 2019, 07:48:40 AM

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Tory Street Lights (NZ)

Sorry to re-ask an old question - I am planning to run two Differential receivers, old style boards, on 5 Volts, driving 5 Volt Pixel strings which all have power injected up their strings, so the power distribution on the board will not be used, fuses removed in fact.  

My question is, as there is already a 5 Volt regulator on the board, and I see it is a super low dropout device, will it's input/output voltage differential allow it to provide the "required" 5 volt supply rail to the two IC's on the board when supplied with only 5 Volts.  The two IC's, one being the differential receiver IC, and the other, presumably an output driver device, will they get supplied with sufficient voltage to drive 5 Volt data out to the Pixels, or should I simply bypass the regulator to ensure enough voltage to the board ??

If the board was being driven from say, 12 Volts, the regulator would be fine, and able to do it's job perfectly!



People use these boards with 5V so I assume it will work. I'm not really sure exactly what you are talking about though.

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