Created by
Created August 02, 2012
Last modified August 03, 2012
Tags buck-converter   power-supply   smps   step-down-converter   switching   voltage-mode  

Summary

Basic closed loop 12V to 3V Voltage Mode Buck (step down) converter.
Simulate > Time Domain > Run Time-Domain Simulation


Description

Basic closed loop 12V to 3V Voltage Mode Buck (step down) converter.

Based on:

but adds:

Voltage reference with soft start

Voltage error amplifier.

PWM (sawtooth generator and comparator)

Type 3 loop compensation supplied by Rc1, Cc1, Cc2, Rc3 and Cc3 (there is no Rc2!).

Note that compensation is not optimised.

Simulate > Time Domain > Run Time-Domain Simulation


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