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楼主 |
发表于 2008-12-27 13:14
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现在做实验没用闭环控制,恒流特性有点差,
现在做实验没用闭环控制,恒流特性有点差,其它还可以,在不加任何散热的情况下,用TPS63000输入2.7V,输出1.1A,4个小时没出现什么问题,TPS63000的温度大概在60度左右,效率在72%左右,如果输入电压在3.3V以上,效率在78%以上
2.7 | 1.96 | 5.292 | 3.445 | 1.1 | 3.7895 | 71.60809 | 2.8 | 1.84 | 5.152 | 3.42 | 1.12 | 3.8304 | 74.34783 | 2.9 | 1.78 | 5.162 | 3.424 | 1.14 | 3.90336 | 75.6172 | 3 | 1.71 | 5.13 | 3.446 | 1.13 | 3.89398 | 75.90604 | 3.1 | 1.63 | 5.053 | 3.42 | 1.13 | 3.8646 | 76.4813 | 3.2 | 1.56 | 4.992 | 3.413 | 1.14 | 3.89082 | 77.94111 | 3.3 | 1.5 | 4.95 | 3.415 | 1.14 | 3.8931 | 78.64848 | 3.4 | 1.44 | 4.896 | 3.415 | 1.14 | 3.8931 | 79.51593 | 3.5 | 1.38 | 4.83 | 3.415 | 1.14 | 3.8931 | 80.60248 | 3.6 | 1.35 | 4.86 | 3.415 | 1.14 | 3.8931 | 80.10494 | 3.7 | 1.28 | 4.736 | 3.41 | 1.17 | 3.9897 | 84.24198 | 3.8 | 1.26 | 4.788 | 3.407 | 1.16 | 3.95212 | 82.54219 | 3.9 | 1.21 | 4.719 | 3.403 | 1.16 | 3.94748 | 83.65077 | 4 | 1.16 | 4.64 | 3.401 | 1.16 | 3.94516 | 85.025 | 4.1 | 1.13 | 4.633 | 3.4 | 1.16 | 3.944 | 85.12843 | 4.2 | 1.11 | 4.662 | 3.397 | 1.16 | 3.94052 | 84.52424 | 4.3 | 1.08 | 4.644 | 3.396 | 1.16 | 3.93936 | 84.82687 | 4.4 | 1.08 | 4.752 | 3.39 | 1.17 | 3.9663 | 83.46591 |
最新的测试结果见后面已改进的,
[ 本帖最后由 CQCWC 于 2008-12-30 10:10 编辑 ] |
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