请教一下DC-DC输入18v输出14.5V3A原理图和原器件参数及变压器参数

我做了前面的部分，但后面的部分要怎么做不懂？谁能给提供一下。

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samliu2011

LV.2

2011-04-27 17:14

TL5001替代OCP5001 单价：1.3RMB 13823156919 QQ:1766251531

szsxydzkjyxgs

LV.2

2011-05-04 22:26

DC-DC|原装现货|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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