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DC voltage regulator circuit diagram
Posted: 2020/1/11 18:20:38 Read: 81 molex connector

DC voltage regulator circuit

One. Zener diode regulator circuit

two. Series pass regulator voltage regulator circuit

three. Switching voltage regulator circuit

four. Three-terminal integrated voltage regulator circuit

I. Zener diode regulator circuit

In this voltage stabilization circuit, the voltage-stabilizing characteristic of the silicon voltage-stabilizing diode is used to realize the regulated output of the DC working voltage. The DC voltage stabilizing characteristics of this DC voltage stabilizing circuit are generally only used to stabilize local DC voltage. Generally not used in the whole power circuit.

Second, the series regulator tube regulator circuit

This voltage stabilization circuit uses the characteristic that the impedance between the collector and the emitter of the triode changes with the change of the base current to automatically adjust the DC output voltage to achieve the stability of the DC output voltage. The triode (adjustment tube) in this voltage stabilization circuit is always in a conducting state.

Three. Switching voltage regulator circuit

This is a high-performance DC voltage stabilizing circuit. The voltage stabilizing principle is relatively complicated. In this circuit, the transistor (switching tube) is in the on and off state transition, that is, it is working in the switching state. The voltage regulator circuit got its name.

Four. Three-terminal integrated voltage regulator circuit

This is an integrated circuit voltage stabilization circuit, whose function is to stabilize the DC output voltage. This integrated circuit has only three pins and is very easy to use. It is widely used in many places.

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