DC/DC converter and its soft-start anti-overshoot method
A DC converter and soft start technology, applied in high-efficiency power electronic conversion, output power conversion device, conversion of DC power input to DC power output, etc., can solve the risk of overshoot, charging speed lag, and integral circuit output Advanced problems, to avoid a single soft-start voltage slope, prevent the risk of overshoot, and improve the accuracy
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[0054] A DC / DC converter is a switching power supply device commonly used in electronic systems. Its main function is to convert a DC input voltage into a DC output voltage of another potential to meet the power supply requirements of the load-side electronic system. In order to improve the response speed of electronic systems and create a better user experience, computing systems such as central processing units (Central Processing Unit, CPU), display processors (Graphics Processing Unit, GPU) or field programmable logic gates Arrays (Field Programmable Gate Arrays, FPGA), etc., have higher and higher requirements on the power-on speed of its power supply (usually a DC / DC converter), and the startup delay and startup time need to be reduced as much as possible.
[0055] The DC / DC converter needs to charge the output capacitor during the power-on process. In this process, soft-start is required to avoid excessive charging current, or the output overshoot exceeds the load stress...
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