SMDMOS CSD85302L20V出现压降问题

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我司测试产品是出现内阻大异常现象，分析过程中进行验证测试MOS打开能力时，测试发现MOS打开后出现压降现象，且直接降到0值，导致MOS不能正常打开，请问是什么原因导致的会出现压降问题呢？

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var nodeLimit = 50;
checkVideo = function() {
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while (v.childNodes.length > 0 && bound < nodeLimit) {
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v.parentNode.insertBefore(v.childNodes[0], v);
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v.parentNode.removeChild(v);
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window.setTimeout(checkVideo, 249);
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window.setTimeout(checkVideoRendered, 249);
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}
if (navigator.userAgent.indexOf('iPad') == -1 && navigator.userAgent.indexOf('iPhone') == -1 && navigator.userAgent.indexOf('iPod') == -1) {
window.setTimeout(checkVideo, 249);
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})('v_aeb49eb9ca884b09b6abcd847d9d1d04');

(function(id)
{
var v = document.getElementById(id);var op = v.style.position, ol = v.style.left, or = v.style.right, fe = [];
var nodeLimit = 50;
checkVideo = function() {
if (!v.canPlayType || v.error) {
var bound = 0;
while (v.childNodes.length > 0 && bound < nodeLimit) {
bound++;
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v.parentNode.insertBefore(v.childNodes[0], v);
}
}
v.parentNode.removeChild(v);
} else if (v.readyState == 0) {
window.setTimeout(checkVideo, 249);
}
},
checkVideoRendered = function() {
if (v.networkState == 1 && v.readyState == 4) {
v.style.position = op;
v.style.left = ol;
v.style.right = or;
for (var i = 0; i < fe.length; i++) {
fe[i].parentNode.removeChild(fe[i]);
}
} else {
window.setTimeout(checkVideoRendered, 249);
}
}
if (navigator.userAgent.indexOf('iPad') == -1 && navigator.userAgent.indexOf('iPhone') == -1 && navigator.userAgent.indexOf('iPod') == -1) {
window.setTimeout(checkVideo, 249);
}
})('v_f57bc9dd9ace45c19de902830cd02a68');

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