請(qǐng)教一下DC-DC輸入18v輸出14.5V3A原理圖和原器件參數(shù)及變壓器參數(shù)
我做了前面的部分，但后面的部分要怎么做不懂？誰能給提供一下。
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DC-DC|原裝現(xiàn)貨|MP1410|MP1482|MP1484|MP2359|ACT4060
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MP1410:
Features
. 2A output current
. 0.22Ω internal power mosfet switch stable with low esr output ceramic capacitors
. Up to 95% efficiency
. 25μA shutdown mode
. Fixed 450khz Frequency
. Thermal shutdown
. Cycle-by-cycle Over current Protection
. Wide 4.75 to 25V operating Input range
. Output Adjustalble from 1.22v to 21v
MP1482:
Features
. 2A output current
. 0.22Ω internal power mosfet switch stable with low esr output ceramic capacitors
. Wide 4.75 to 23V operating Input range
. Up to 95% efficiency
. Programmable Soft-Start
. Stable with low Esr ceramic output capacitors
. Fixed 400khz Frequency
. Cycle-by-cycle Over current Protection
. Thermally Enhanced 8-pin SOIC Pakage
MP1484:
Features
. 3A output current
. Wide 4.75 to 23V operating Input range
. Integrated 100mΩ power mosfet switches
. Up to 95% efficiency
. Fixed 400khz Frequency
. Cycle-by-cycle Over current Protection
. Output Adjustalble from 0.952v to 20v
.Input under voltage lockout
.Thermally Enhanced 8-pin Soic package
. Programmable Soft-start
. Stable with low Esr ceramic output capacitors
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