某化工降压变电所电气设计，详细论文设计，含图纸等-A chemical step-down substation electrical design, detailed design thesis

LM2576开关型降压稳压器，提供降压开关稳压器的各种功能，能驱动3A负载，有优异的线性和负载调整功能。-LM2576 step-down switching regulator to provide step-down switching regulator features, can drive 3A load with excellent line and load regulation function.

pism6.0实现buck降压电路设计，调节电路参数可以改变电路性能-pism6.0 buck buck circuit design, adjust circuit parameters can change the performance of the circuit