俺的非隔離型電源模塊!升壓輸出20V/4A,不用變壓器!體積小!
俺的非隔離型電源模塊!升壓輸出20V/4A,不用變壓器!!!輸入為DC9-18V,輸出DC20V/4A,效率90%.請大家指正!!
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@pi-power
7V的那路是100uH20V的是15uH電感不熱!
帶筆記本的照片
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) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/47/1162962955.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/47/1162962987.jpg');}" onmousewheel="return imgzoom(this);">
系統(tǒng)正在啟動
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/47/1162963046.jpg');}" onmousewheel="return imgzoom(this);">
看清楚了!!!電池可是拿掉了的,技術人員絕對不能打誑語!!
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/47/1162963128.jpg');}" onmousewheel="return imgzoom(this);">
已進入系統(tǒng)!!
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/47/1162963162.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/47/1162962955.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/47/1162962987.jpg');}" onmousewheel="return imgzoom(this);">
系統(tǒng)正在啟動
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/47/1162963046.jpg');}" onmousewheel="return imgzoom(this);">
看清楚了!!!電池可是拿掉了的,技術人員絕對不能打誑語!!
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/47/1162963128.jpg');}" onmousewheel="return imgzoom(this);">
已進入系統(tǒng)!!
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/47/1162963162.jpg');}" onmousewheel="return imgzoom(this);"> 0
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@pi-power
帶筆記本的照片[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/47/1162962955.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/47/1162962987.jpg');}"onmousewheel="returnimgzoom(this);">系統(tǒng)正在啟動[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/47/1162963046.jpg');}"onmousewheel="returnimgzoom(this);">看清楚了!!!電池可是拿掉了的,技術人員絕對不能打誑語!![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/47/1162963128.jpg');}"onmousewheel="returnimgzoom(this);">已進入系統(tǒng)!![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/47/1162963162.jpg');}"onmousewheel="returnimgzoom(this);">
大家覺得怎么樣??
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老兄 我設計了一個電路 第一次搞電源的 請賜教
給點意見 指導指導 先謝謝你啦
lwy135@21cn.com qq:631269000
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/47/1164739360.gif');}" onmousewheel="return imgzoom(this);">
tny268_datasheet:1164739555.pdf
lm2940_datasheet:1164739681.pdf
給點意見 指導指導 先謝謝你啦
lwy135@21cn.com qq:631269000
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/47/1164739360.gif');}" onmousewheel="return imgzoom(this);">
tny268_datasheet:1164739555.pdf
lm2940_datasheet:1164739681.pdf
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新的模塊方案:
DC12V TO 5V/20A方案樣板 體積:50*30*14
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/47/1164807544.gif');}" onmousewheel="return imgzoom(this);">
DC12V TO 5V/10A方案樣板 體積:50*30*14
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/47/1164807861.gif');}" onmousewheel="return imgzoom(this);">
DC12V TO 12V/3A 7V/3A方案樣板 體積:58*50*14 半磚左右
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/47/1164808002.gif');}" onmousewheel="return imgzoom(this);">
DC12V TO 24V/6A方案樣板 體積:50*30*14
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/47/1164808090.gif');}" onmousewheel="return imgzoom(this);">
請大家關注!!
DC12V TO 5V/20A方案樣板 體積:50*30*14
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/47/1164807544.gif');}" onmousewheel="return imgzoom(this);">
DC12V TO 5V/10A方案樣板 體積:50*30*14
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/47/1164807861.gif');}" onmousewheel="return imgzoom(this);">
DC12V TO 12V/3A 7V/3A方案樣板 體積:58*50*14 半磚左右
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/47/1164808002.gif');}" onmousewheel="return imgzoom(this);">
DC12V TO 24V/6A方案樣板 體積:50*30*14
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/47/1164808090.gif');}" onmousewheel="return imgzoom(this);">
請大家關注!!
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@pi-power
新的模塊方案:DC12VTO5V/20A方案樣板 體積:50*30*14[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/47/1164807544.gif');}"onmousewheel="returnimgzoom(this);">DC12VTO5V/10A方案樣板 體積:50*30*14[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/47/1164807861.gif');}"onmousewheel="returnimgzoom(this);">DC12VTO12V/3A7V/3A方案樣板 體積:58*50*14半磚左右[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/47/1164808002.gif');}"onmousewheel="returnimgzoom(this);">DC12VTO24V/6A方案樣板體積:50*30*14[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/47/1164808090.gif');}"onmousewheel="returnimgzoom(this);">請大家關注!!
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/47/1164882195.jpg');}" onmousewheel="return imgzoom(this);">
SM8002是電流模式PWM離線式開關電源電路,它待機功耗小,具有過流保護功能和欠壓保護功能,在系統(tǒng)短路情況下芯片內(nèi)部定時電路開始工作讓總個系統(tǒng)工作在“打嗝"模式,同時監(jiān)測系統(tǒng)工作狀態(tài),直到系統(tǒng)正常工作,開關頻率為100KHZ,在實際過程中為了降低總個系統(tǒng)的EMI,芯片會在+-2KHZ范圍內(nèi)自動調(diào)整開關頻率
此IC外圍元件少,成本低 適用于DVD電源充電器電源等 聯(lián)系13632536608
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@pi-power
新的模塊方案:DC12VTO5V/20A方案樣板 體積:50*30*14[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/47/1164807544.gif');}"onmousewheel="returnimgzoom(this);">DC12VTO5V/10A方案樣板 體積:50*30*14[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/47/1164807861.gif');}"onmousewheel="returnimgzoom(this);">DC12VTO12V/3A7V/3A方案樣板 體積:58*50*14半磚左右[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/47/1164808002.gif');}"onmousewheel="returnimgzoom(this);">DC12VTO24V/6A方案樣板體積:50*30*14[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/47/1164808090.gif');}"onmousewheel="returnimgzoom(this);">請大家關注!!
大家看看實際的樣板
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/48/1165338298.jpg');}" onmousewheel="return imgzoom(this);">
左邊是30*50MM 的DCDC模塊
參數(shù)為 DC7-18V輸入 16V/3A輸出 紋波50mV
左邊是33*77MM 的DCDC模塊
參數(shù)為 DC7-18V輸入 16V/3A+5V/3A輸出 紋波50mV
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/48/1165338298.jpg');}" onmousewheel="return imgzoom(this);">
左邊是30*50MM 的DCDC模塊
參數(shù)為 DC7-18V輸入 16V/3A輸出 紋波50mV
左邊是33*77MM 的DCDC模塊
參數(shù)為 DC7-18V輸入 16V/3A+5V/3A輸出 紋波50mV
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@pi-power
大家看看實際的樣板[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/48/1165338298.jpg');}"onmousewheel="returnimgzoom(this);">左邊是30*50MM的DCDC模塊參數(shù)為DC7-18V輸入16V/3A輸出紋波50mV左邊是33*77MM的DCDC模塊參數(shù)為DC7-18V輸入16V/3A+5V/3A輸出紋波50mV
30*50MM 的DCDC模塊
DC7-18V輸入 5V/10A輸出 紋波30mV
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/48/1165488152.gif');}" onmousewheel="return imgzoom(this);">
DC7-18V輸入 5V/10A輸出 紋波30mV
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/48/1165488152.gif');}" onmousewheel="return imgzoom(this);"> 0
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@pi-power
30*50MM的DCDC模塊DC7-18V輸入5V/10A輸出紋波30mV[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/48/1165488152.gif');}"onmousewheel="returnimgzoom(this);">
DC12TO5V/3A 效率95% 體積20X26X7.5MM
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/48/1165938988.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/48/1165938988.jpg');}" onmousewheel="return imgzoom(this);"> 0
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