200W電源ncp1653+ncp1396 有償求助(附電路圖)
各位DX:我用安森美的ncp1653+ncp1396設(shè)計(jì)了一個(gè)200W LLC電源,現(xiàn)在出現(xiàn)問(wèn)題: 帶160W負(fù)載(15V6A,24V3A)工作10分鐘左右部分電源出現(xiàn)打嗝狀態(tài),持續(xù)打嗝工作5分鐘左右,PFC的MOS會(huì)炸掉.請(qǐng)各位DX幫忙分析,如能幫忙協(xié)助處理此問(wèn)題,有償均可. 132531257905349.pdf
全部回復(fù)(31)
正序查看
倒序查看
參考以下方案設(shè)計(jì) 132531257905760.pdf
0
回復(fù)
大板PCB
500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)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/83/132531257928291.gif');}" onmousewheel="return imgzoom(this);">

0
回復(fù)
PFC驅(qū)動(dòng)波形
500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)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/83/132531257932386.jpg');}" onmousewheel="return imgzoom(this);">

0
回復(fù)
PWM驅(qū)動(dòng)波形
500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)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/83/132531257932545.jpg');}" onmousewheel="return imgzoom(this);">
500) {this.resized=true; this.width=500; this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)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/83/132531257932577.jpg');}" onmousewheel="return imgzoom(this);">


0
回復(fù)
@microlab
PWM驅(qū)動(dòng)波形[圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)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/83/132531257932545.jpg');}"onmousewheel="returnimgzoom(this);">[圖片]500){this.resized=true;this.width=500;this.alt='這是一張縮略圖,點(diǎn)擊可放大。\n按住CTRL,滾動(dòng)鼠標(biāo)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/83/132531257932577.jpg');}"onmousewheel="returnimgzoom(this);">
怎么電源網(wǎng)現(xiàn)在這么冷清啊?
0
回復(fù)