电源适配器，充电器最新能效6级能效CEC VI标准 DOE六等级新要求
2014.2.10美国能源部新发出的要求，从2014.2.11开始实施，2016.2.10起开始强制执行。
那6级能效的测试标准又是怎样的呢？
怎样的电源适配器才符合6级能效呢?
下面的表格一目了然：
|
外部 AC-DC电源适配器, 基本电压 |
||
| nameplate output power (pout) |
minimum average efficiency in active mode (expressed as a decimal) |
maximum power in no-load mode [w] |
| pout ≤1 w | ≥0.5 × pout + 0.16 | ≤ 0.100 |
| 1 w < pout ≤ 49 w | ≥0.071 × ln(pout) - 0.0014 × pout + 0.67 | ≤ 0.100 |
| 49 w < pout ≤ 250 w | ≥0.880 | ≤0.210 |
| pout > 250 w | ≥ 0.875 | ≤ 0.500 |
| 外部 AC-DC 电源适配器, 低电压（小于6v,大于550ma） | ||
| nameplate output power (pout) |
minimum average efficiency in active mode (expressed as a decimal) |
maximum power in no-load mode [w] |
| pout ≤ 1 w | ≥ 0.517 × pout + 0.087 | ≤ 0.100 |
| 1 w < pout ≤ 49 w | ≥0.0834 × ln(pout) - 0.0014 × pout + 0.609 | ≤ 0.100 |
| 49 w < pout ≤ 250 w | ≥ 0.870 | ≤ 0.210 |
| pout > 250 w | ≥ 0.875 | ≤ 0.500 |
| 外部 AC-DC 电源适配器, 基本电压 | ||
| nameplate output power (pout) |
minimum average efficiency in active mode (expressed as a decimal) |
maximum power in no-load mode [w] |
| pout ≤ 1 w | ≥ 0.5 × pout + 0.16 | ≤ 0.210 |
| 1 w < pout ≤ 49 w | ≥ 0.071 × ln(pout) - 0.0014 × pout + 0.67 | ≤0.210 |
| 49 w < pout ≤250 w | ≥ 0.880 | ≤ 0.210 |
| pout > 250 w | ≥ 0.875 | ≤ 0.500 |
| 外部 AC-DC 电源适配器, 低电压 | ||
| nameplate output power (pout) |
minimum average efficiency in active mode (expressed as a decimal) |
maximum power in no-load mode [w] |
| pout ≤1 w | ≥ 0.517 × pout + 0.087 | ≤ 0.210 |
| 1 w < pout ≤ 49 w | ≥0.0834 × ln(pout) - 0.0014 × pout + 0.609 | ≤ 0.210 |
| 49 w < pout ≤ 250 w | ≥ 0.870 | ≤ 0.210 |
| pout > 250 w | ≥ 0.875 | ≤ 0.500 |