release time:2022-03-17Author source:SlkorBrowse:549
There are various topology diagrams of switching power supplies in the market, but it is not difficult to find out after summarizing and sorting out. In fact, there are only 14 kinds, and the others are the combination or deformation of these 14 topology diagrams. Next, I will share with you the topology diagrams of two kinds of switching power supplies.
Features: ■ The switch (FET) drives different phases, and carries out pulse width modulation (PWM) to adjust the output voltage. ■ Good utilization ratio of transformer core-power transmission in both half cycles. ■ Full-wave topology, so the output ripple frequency is twice that of the transformer. ■ The voltage applied to the FET is twice the input voltage.These are the common switching power supply topologies, and there are many topologies, but most of them are combinations or variations of the topologies described here. Each topology contains unique design trade-offs, and Sacco Wei has also done some sorting, which will be shared with you one after another in the future.
In recent years, SAKO Micro Semiconductor slkor (www.slkormicro.com) has developed rapidly. While consolidating its position in the power device market, it has laid out TVS transient suppression diode, driver IC, power management IC, AC-DC, LDO, Hall electromagnetic sensor, etc., and formed an ecological chain with SLKOR power devices for coordinated development. Sawei slkor's domestic alternative products can include many international famous brands such as DIODES Meitai, Vishay Weishi, TI Dezhou Instruments, ON Anson Mei, NXP NXP, IR International Rectifier, etc. Sawei Semiconductor Driver IC(SL27524) can replace UCC27524 of TI Dezhou Instrument. After testing, all parameters have reached the specified indexes, and its stability is inferior to that of similar products of TI Dezhou Instrument. In addiTIon, SLKOR micro-drive IC(SL27525) replaces ti Texas instruments UCC27525, SLKOR micro-linear voltage regulator SL42764 replaces IR international rectifier TLE42764, and SLKOR micro-linear voltage regulator SL4284 replaces IR international rectifier TLE4284. SLKOR SACO micro-hall sensor SLSS39E replaces Honeywell SS39E, SLKOR SACO micro-hall sensor SLSS49E replaces Honeywell SS49E, SLKOR SACO micro-clock chip SL8025T-UB replaces EPSON RX-8025T, and SLKOR SACO micro-clock chip SL8563T/5 replaces NXP NXP PCF8563.
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