SMPS

What is SMPS ?

• Short for Switched-Mode Power Supply, SMPS is a power supply that uses a switching regulator to control and stabilize the output voltage by switching the load current on and off.
• These power supplies offer a greater power conversion and reduce the overall power loss.
• It is to convert wall-voltage AC power to lower voltage DC power.

Advantages of linear power supply :

• Simplicity.
• Quiet Operation & Load-handling Capability.
• Low Cost.

Disadvantages of linear power supply :

• Range of application.
• Number of Outputs.
• Average Efficiency.

Advantages of Switching Power Supply:

• Higher Efficiency.
• Low cost and size.

Disadvantages of Switching Power Supply:

• The design is more complicated and time-consuming.

• SMPS regulates and provide reliable output irrespective of variation in input voltage for proper functioning of our computer.
• A battery charger does not give constant voltage to battery.
• A switching regulator or any regulated power supply for that matter maintains constant voltage at its output.