2017•2017 International Conference on Computer Systems, Electronics and Control (ICCSEC)Requires access
Study on Step-down DC Switching Power Supply
Jia-Ming Lin
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Abstract
This system uses the TI's Buck Controller LM5117 chip and MOSFIT CSD18532KSC as the core, designing Buck DC switching power supply, whose output voltage is 5V and the output current is 3A. It discusses the design of the peripheral circuit and the parameter determination, as well as the design of PCB layout and wiring in detail. This power supply has the advantages of high speed, high precision, high efficiency, good voltage regulation and load regulation rate, no need to add auxiliary power supply board, small output ripple and so on.