需要做一種輸入是9-30V DC, 輸出是12V DC的電源

最近需要做一種輸入是9-30V DC, 輸出是12V DC的電源,請大蝦們賜教!

輸出電流是0-1A.

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allen880629

LV.8

2009-08-01 11:31

怎么現在這樣的要求越來越多了

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madboy21

LV.8

2009-08-01 14:38

2045691249108711.pdf

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非揚

LV.5

2009-08-01 16:35

這里面到處都有說啊, 3780 牛價格也牛

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mskkk

LV.4

2009-08-03 19:12

反激,RCC,推挽,BUCK-BOOST都可以啊,具體需要具體選擇了

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hxzyb

LV.5

2009-08-03 19:22

要看你要做多大的電流,

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gastonfang

LV.1

2009-08-05 10:01

@hxzyb

要看你要做多大的電流,

0-1A的電流

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遠方一風

LV.7

2009-08-05 13:07

@gastonfang

0-1A的電流

用TPS40210做Sepic方案.成本很低.需要支持的話,站內聯系.

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paul343400

LV.5

2009-08-05 13:38

難不成現在又開始火了?參看電源網上這個老帖.里面有案子和聯系方式.
http://bbs.dianyuan.com/topic/255351

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msz181818

LV.9

2009-08-05 15:37

500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖，點擊可放大。\n按住CTRL，滾動鼠標滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/80/488821249457822.jpg');}" onmousewheel="return imgzoom(this);">
用這個能行

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madboy21

LV.8

2009-08-05 16:19

@遠方一風

用TPS40210做Sepic方案.成本很低.需要支持的話,站內聯系.

500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖，點擊可放大。\n按住CTRL，滾動鼠標滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/80/2045691249460355.jpg');}" onmousewheel="return imgzoom(this);">

500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖，點擊可放大。\n按住CTRL，滾動鼠標滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/80/2045691249460365.jpg');}" onmousewheel="return imgzoom(this);">

500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖，點擊可放大。\n按住CTRL，滾動鼠標滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/80/2045691249460373.jpg');}" onmousewheel="return imgzoom(this);">

500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖，點擊可放大。\n按住CTRL，滾動鼠標滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/80/2045691249460386.jpg');}" onmousewheel="return imgzoom(this);">

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msz181818

LV.9

2009-08-05 17:16

@madboy21

[圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖，點擊可放大。\n按住CTRL，滾動鼠標滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/80/2045691249460355.jpg');}"onmousewheel="returnimgzoom(this);">[圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖，點擊可放大。\n按住CTRL，滾動鼠標滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/80/2045691249460365.jpg');}"onmousewheel="returnimgzoom(this);">[圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖，點擊可放大。\n按住CTRL，滾動鼠標滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/80/2045691249460373.jpg');}"onmousewheel="returnimgzoom(this);">[圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖，點擊可放大。\n按住CTRL，滾動鼠標滾輪可自由縮放';this.style.cursor='hand'}"onclick="if(!this.resized){returntrue;}else{window.open('http://u.dianyuan.com/bbs/u/80/2045691249460386.jpg');}"onmousewheel="returnimgzoom(this);">

這種電容很燙呀

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madboy21

LV.8

2009-08-05 19:47

@msz181818

這種電容很燙呀

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msz181818

LV.9

2009-08-05 21:48

@madboy21

500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖，點擊可放大。\n按住CTRL，滾動鼠標滾輪可自由縮放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/80/488821249480045.jpg');}" onmousewheel="return imgzoom(this);">
用這種就不要耦合電容

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