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Recent content by MechaMark314

  1. M

    Buck converter as variable power supply. Is it a good idea to use separate voltage regulators within the design?

    Off the shelf buck converter? Do you mean an specific IC that performs as a buck converter like the LTC3112? I would, but I was asked not to use a specific IC that performs in that way, and rather build it using passive components (i.e. with an inductor, capacitor) and a MOSFET and diode. Also...
  2. M

    Buck converter as variable power supply. Is it a good idea to use separate voltage regulators within the design?

    I'm designing a switched-mode power supply (SMPS) buck converter which can step down 35 V to a specified value below. The output is fed back through a voltage divider which maps a maximum 35 V to 5 V into the analog channel of a PIC16F877A microcontroller. The MCU has the PID control loop...
  3. M

    ISIS PROTEUS: why are my simulations running too slow?

    Good evening everybody. This is my first post here. The thing is that I'm trying to simulate a buck DC-DC converter using a IR2112 MOSFET driver, two IRF530 n-channel power MOSFETs, and several other components as shown in the picture attached below. As the control signal, I'm simulating the...

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