The XL4101 is a 150KHz fixed frequency PWM buck (step-down) DC/DC converter, capable of driving a 3A load with high efficiency, low ripple and excellent line and load regulation. Requiring a minimum number of external components, the regulator is si
基于LM2596的DC-DC可调降压模块设计 电路总体说明,LM2596属于DC-DC开关电源的BUCK类电压反馈式的降压型电源管理集成电路,在本电路(图1)中应用了其固定的工作模式,U1、D1、L1、C2构成基本的BUCK类电路,f1?该电路的纹波电压,电路的输出截止频率降低,从以上的实验中可以得到基于LM2596此种BUCK电路的设计在实践中完全能够满足,电路断开后1秒左右恢复供电,四、电路的保护措施和扩展方案1、保护措施,为防止输入 基于LM2596的DC-DC电路分析 电路总体说明 L
Wide 4.5V to 40V Input Voltage Range n 3.3V,5V,12V, and adjustable versions n Output Adjustable from 1.23V to 37V n Maximum Duty Cycle 100% n Minimum Drop Out 1.5V n Fixed 150KHz Switching Frequency n 3A Constant Output Current Capability n Internal