Three-way power supply mutually backup and automatic switching circuit
Source: InternetPublisher:aerobotics Keywords: Power supply regulated power supply Updated: 2021/05/16
![Three-way power supply mutually backup and automatic switching circuit](http://www.eeworld.com.cn/circuit/upload/18035c36821c4f572da1986d0d912977/690338be2ede2600db16a6e60042e455.gif)
When the power supply fails, the main backup power supply automatically comes into operation. When the main backup power supply fails, the secondary backup power supply automatically puts into operation, thereby greatly improving the reliability of the power supply.
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