power Switching Between Two Voltage Supplies


Posted on Feb 6, 2014

VOUT to be 3V when the switch is open and 5V when the switch is closed. The simulation seems to give me what I want when the switch is open, but not when it`s closed. What am I doing wrong Is there a better way to do this I was avoiding a common cathode diode pair to avoid the forward voltage drop. @Gorloth. the switch exists for the purposes of simulation only. It`s meant to simulate the attaching and detatching


power Switching Between Two Voltage Supplies
Click here to download the full size of the above Circuit.

of 5V power from the circuit. I don`t want a mechanical switch ultimately. vicatcu Apr 21 `13 at 5:40 YOu say the desired behaviour of 3v or 5v at vout, but you also say when simulated it does not work when the switch is closed, but you specify how it`s not working, if you are getting a vout that is ~3. 6v then sounds liek a body diode issue that Brian mentions in his answer below Gorloth Apr 21 `13 at 19:06




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    VHF Portable "rubber duck" antenna
    Subwoofer Equaliser
    Ni-cad charger with current and voltage limiting
    Acid-rain-monitor
    Wireless Lock Tone
    70w stk amplifier schematic
    fm wireless microphone circuit
    Constant current LED driver using LM3410
    Electronic Dictionary Radar Terms



    Top