一种基于自举电路的可调恒压恒流源设计

摘要

介绍了一种基于自举电路的可调恒压恒流源的设计.解决了使用普通运算放大器调整较高输出电压的问题.在输出电压在较大范围变化时,通过自举的方法保证运算放大器的供电电压不变,并且能够对输出电压和电流进行有效地调整,实现了0~30V的电压输出和0~1A的电流输出.%Introduced a method of using the bootstrap to design an adjustable constant voltage and current source.Solved the problem of using the ordinary op-amp in high output voltage adjustment.Using the bootstrap method can ensure constant supply voltage of operational amplifier when the output voltage changes in a wide range, and output voltage and current can be effectively adjusted to achieve a 0 ~ 30V voltage output and 0 ~ 1A Current output.