UC3842 switching power supply circuit

UC3842 circuit,UC3842 Projects,UC3842 testing
UC3842 circuit testing

UC3842 switching power supply circuit

In this article, we will learn how to make UC3842 switching power supply circuit.

In the last post, we learned how to make TL494 Inverter/SMPS Gate Drive Control Circuit Projects.

 

 

Components Required:

  1. UC3842 IC:
  2. MOSFET
  3. Transistor:
  4. Inductor:
  5. Capacitor:
  6. Diode:
  7. Resistor:

UC3842 switching power supply circuit:

UC3842 circuit,UC3842 projects,UC3842 pinout
UC3842 switching power supply,circuit

Introduction:

The UC3842 is an integrated circuit commonly used in switch-mode power supplies. It’s a pulse width modulation (PWM) controller that regulates the output voltage by controlling the switching of a power transistor.

The circuit typically includes components like resistors, capacitors, an inductor, and a diode along with the UC3842 IC. The IC generates PWM signals that control the switching of the transistor, regulating the output voltage.

UC3842 Pinout diagram:

UC3842 switching power supply,circuit,Pinout
UC3842 Pinout diagram

Working:

The UC3842 is at the heart of many switch-mode power supply circuits. Its function is to regulate the output voltage by controlling the switching of a power transistor.

UC3842 switching power supply circuit blog diagram:

UC3842 switching power supply circuit
UC3842 switching power supply circuit blog diagram

Usages:

The UC3842 switching power supply circuit finds application in various electronic devices and systems where efficient voltage regulation is needed.

Some common usages include:

  1. Power Adapters and Chargers:
  2. LED Drivers:
  3. Industrial Power Supplies:
  4. Telecommunication Systems:
  5. Automotive Electronics: