2.1 AC输入AC Input

2.1.1输入电压Input Voltage

表格1：列举AC输入电压范围，在此电压范围内，电源应正常工作并符合所有电气性能要求。

Table 1: Lists the AC input operating voltage range. The power shall work normally and meet all electrical requirements throughout this range.

表格1：AC输入电压限值  Table 1: AC Input Voltage Limitations  

2.1.2输入频率Input Frequency

表格2：列举AC输入频率范围，在此频率范围内，电源应正常工作并符合所有电气性能要求。

Table 2: List the AC input operating frequency range. The power shall work normally and meet all electrical requirements throughout this range.

Table 2:  AC Input Frequency Limitations  AC输入频率限值

2.1.3冲击电流Inrush Current

冲击电流峰值在额定电压输入，冷启动（25℃）时，不大于80A;且在任何负载和输入条件下，不导致性损坏或危险，输入电压的定义见表格1.

Peak inrush current shall be limited to 80A of rated input voltage and cold start at 25 degrees C, and shall not result in a permanent damage of the power supply under any conditions of load and input voltage as specified at any input voltage as specified in table 1.

2.1.4待机功耗Standby Input Power

在额定电压输入情况下，待机功耗不大于0.5W。

The standby input power should no more than 0.5W under the rated input voltage condition.

2.1.5输入电流Input Current Limiting

在输入电压值，负载为满载条件下，输入电流不大于1.5A。

The input current should be less than1.5A, under minimum AC input and full load.

2.1.6效率Efficiency

在额定输入电压，负载和额定负载条件下，电源的效率大于65%.

The power supply efficiency shall be greater than65% under rated input voltage. It will be measured at the typical load and maximum load.

2.2输出规格Output Specification

2.2.1电压调整率DC Voltage Regulation

在输出端子量测的电压需符合表格3中标示的调整范围。

电压调整的限值不包括2.2.4节中要求的DC负载瞬态变化。

The DC output voltages will remain within the regulation ranges shown in Table 5 when measured ate the load end of the output connectors.

The voltage regulation limits do not include the transient DC load changes, which are covered in Section 3.2.4.

表格3：输出电压调整限值    Table 3:  DC Output voltage regulation limits

2.2.2输出电流DC Output Current

表格4：输出电流限值      Table4: DC output current limits

2.2.3输出纹波与噪声Output Ripple and Noise

下面表格5是纹波与噪声要求，以2.2.2节中定义的负载范围和2.1.1节定义的输入电压为测试条件，纹波与噪声均应符合要求，测试时示波器设置为20MHz带宽，输出端并接一0.1uF瓷片电容和一10uF钽电解电容（低ESR值）。

The following table 5 is output ripple and noise requirements, it will be met throughout the load ranges specified in Section 2.2.2 and under all input voltage conditions as specified Section 2.1.1, Measurements will be made with an oscilloscope set to 20MHz bandwidth limit. The outputs will be bypassed with one 0.1uF multilayer (type X7R) and one 10uF tantalum electrolytic (low ESR) capacitors.

               表格5：纹波与噪声限值   Table 5: Output ripples and noise limits

2.2.4输出动态负载响应Output Dynamic Load Response

输出电压在下列表格6定义的负载变化时，符合规格要求，负载变化率为0.1Amps/uS, 50Hz~10 KHz之间。

The output voltages will remain within specified regulation limit of the nominal set voltage for changes in load as specified below under the following load steps defined below table 8. At a slew rate of 0.1Amps/uS between 50Hz to 10 KHz.

表格6：输出动态负载响应限值   Table6: Output dynamic load response limits

2.2.5电压过冲Overshoot at turn-on/ turn-off

开机或关机时，电压过冲不得超过标称值的10%.

Any overshoot at turn on or turn off shall be less than 10% of rated output voltage.

2.3保护功能Protection Function

2.3.1过压保护Over Voltage Protection(NA)

         电源提供过压保护. The power supply will provide OVP function.

2.3.2短路保护Short Circuit Protection

输出的短路定义为其输出阻抗小于0.1欧姆，在上述3.1节中定义的输入条件下，电源将进行保护，保护过程中，不会出现诸如元器件、连接器等损坏危险。

An output short circuit is defined as any output impedance of less than 0.1 ohms. The power supply will protect without damage to overseers of to the unit (components, connectors, etc) under the input conditions specified in Section 3.1 above.

2.3.3过流保护Over Current Protection

电源过流点符合下表限值要求，而且过流保护无任何危险和损坏，在保护去除后，电源自动恢复.

The power supply shall meet the limitation requirement as below table without any damage, the unit shall recover and function automatically after the protection is removed.

表格7：过流保护限值         Table 7: Over Current Protection limits

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