兰博

5V boost circuit

 
Overview
Based on the LM2577 boost circuit, input a 5V power supply and adjust the value of the potentiometer R4 to output a voltage of 8.5V~24V. The output voltage calculation formula is: Vout=1.23V*(1+R4/R2). The
voltage output can be The calculation formula is to design the output voltage by yourself. The function of the 12K resistor R3 is to limit the minimum value of the voltage output.
The actual picture is as follows and the actual measurement results are as follows:
 
 
 
 
 
 
 
 
 
参考设计图片
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Update:2025-05-12 06:47:22

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