电源研发23条经验总结:开关频率选择原因与限制,EMC影响和调整策略详解。
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在电源研发的过程中,常常会遇到各种问题,我们可以从大牛多年研发电源问题及解答中学习到很多经验。例如,在选择小功率反激电源时,为什么常常选择65K或者100K作为开关频率呢?这与IC厂家生产的IC有关,但更重要的是开关频率会影响电源的性能。开关频率的选择会决定电源的工作状态,频率过高可能会导致EMC问题,但并非必然情况,因为EMC与频率有一定关系。因此,在研发电源时,我们需要综合考虑各种因素,包括频率选择、性能优化等方面,才能设计出稳定可靠的电源产品。Electric power development experience 23 summary.docx; Electric power development experience 23 summary.docx; In the process of power development, we often encounter this or that problem. Here are the answers to common power supply issues that have been developed by experts for many years. Let's learn together!Question 1. Why do we often choose 65K or 100K (near these frequency ranges) as the switching frequency for small power forward converters? What are the constraints or restrictions? Under what circumstances can we increase or decrease the switching frequency? Why do we often choose 65K or 100K as the switching frequency for switching power supplies? Some people may say that IC manufacturers produce such ICs, and of course, there are reasons for this. The switching frequency of each power supply will determine what? We should think about the reasons from here. Some people also say that high frequency leads to poor EMC. In general, this is true, but it is not absolute because EMC is related to frequency.
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