I have a problem that is becoming more complex than I thought it would be. I need to take input from a battery source that can consist of a 6v array, 12v or 24v and regulate it down to a usable 5v for a microcontroller. I'm having trouble finding a voltage regulator that is available and has this wide of a range. It needs to supply 500mA or so.
Does anyone know of a regulator up to this task? I haven't been able to find one after searching Digikey and Mouser that has that range within the "Recommended" range. Most "Maximum" ratings are 35v, however I wouldn't feel comfortable using a 32v system for prolonged periods of time above the recommended rating.
Would it be possible to have two regulators in series? One with an input range of say, 12-40v, and an output of 15v and then another with an input range of 6-25v (the typical I've found) and an output of 5v. What would happen if the source voltage is 6v, will it pass through the first regulator unchanged?
Appreciate the help.
Mike
Does anyone know of a regulator up to this task? I haven't been able to find one after searching Digikey and Mouser that has that range within the "Recommended" range. Most "Maximum" ratings are 35v, however I wouldn't feel comfortable using a 32v system for prolonged periods of time above the recommended rating.
Would it be possible to have two regulators in series? One with an input range of say, 12-40v, and an output of 15v and then another with an input range of 6-25v (the typical I've found) and an output of 5v. What would happen if the source voltage is 6v, will it pass through the first regulator unchanged?
Appreciate the help.
Mike