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Showing posts with label PWM. Show all posts
Showing posts with label PWM. Show all posts

12/03/2025

Stabilizing 5V and 12V in a Computer Power Supply

In a computer power supply (PSU), the stabilization of 5V and 12V outputs is achieved using a switching power converter with feedback control. Below are the primary methods used for voltage stabilization:

Stabilizing 5V and 12V in a Computer Power Supply

1. PWM Control (Pulse Width Modulation)

Modern ATX power supplies use PWM to regulate the output voltage. A controller monitors the output voltage and adjusts the duty cycle of switching transistors accordingly. This maintains stable voltage levels despite changes in load.

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