1. SCOPE/范围
This specification describes the performance characteristics of a grounded, 5 Watts, Single Output Switching Adapter. In addition, it defines a worldwide safety requirement and electromagnetic compatibility requirement for Switching Adapter.
此规格描述了一个接地式5W单输出电源的性能特征。此外，它还详述了电源全国范围的安规要求和电磁兼容要求。
2. INPUT REQUIREMENTS/输入要求
SN | Item/条目 | Specifications/参数 | Remark/备注 |
2.1 | Input voltage/输入电压 | AC90～ 264V | |
2.2 | Input Frequency/输入频率 | 50Hz/60Hz | |
2.3 | Input Current/输入电流 | ＜ 1A | |
2.4 | Non-load loss/空载损耗 | ＜ 0.3W | INPUT:220VAC |
3. OUTPUT SPECIFICATION/输出特性
SN | Item/项目 | Specifications/参数 | Remark备注 |
3.1 | Output voltage/输出电压 | 5V（4.5V-5.5V） | No Load7.7V-8.7V |
3.2 | Output current/输出电流 | DC0～ 1A | Output current from 0A to 1.6A 输出电流：0A~1A |
3.3 | Ripple/纹波 | ≤180mVp-p | Load is 2A ,CR mode, parallel with a 47uF/50V and a 0.1uF capacitor/负载为2A ,CR型号,并联一颗47uF /50v与0.1uF的电容。, |
3.4 | Remain time/保持时间 | ≥10ms | At full load./满载。 |
4. ENVIRONMENT/使用环境
SN | Item/项目 | Specification/参数 | Remark/备注 |
4.1 | Operating ambient temperature range 工作环境温度范围 | 0℃～ 40℃
| -10℃～ 45℃ No damage and No function error 在-10℃～ 45℃环境下，无损坏。 |
4.2 | Operating ambient humidity range 工作环境湿度范围 | 20%～ 90％ RH | |
4.3 | Storage temperature 存储温度 | -20℃～ 85℃ | |
4.4 | Storage humidity/存储湿度 | 20%～ 90％ RH | |
4.5 | Atmospheric pressure. 气压 | 76～ 106Kpa |
5. PROTECTION/保护
5.1 Input Over Current protection/输入过流保护
A fuse in the input circuit loop, if any input over current occurs, the fuse will opened. The power supply will work after a new fuse being installed.
当输入过流时，输入回路里的保险丝会断开，更换新保险丝后，电源可正常工作。
5.2 Output Over Voltage Protection/输出过压保护
If any over voltage occurs, the power supply should latch off. The power supply will be automatically recovered after the over voltage fault being removed.
当输出电压过高时，电源会自动保护。过压故障解除后，电源将自动恢复正常。
5.3 Output Current Protection/输出电流保护
If any over current occurs, the power supply should latch off before any output exceeds its limit below:
当输出电流过大，超过下列范围时，电源将会自动保护。
Nominal Current/标准电流 | Over Current Range/过流范围 |
2A | 4.8A~6.0A |
The power supply will be automatically recovered after the over voltage fault being removed.
当过流故障解除后，电源自动恢复正常。
5.4 Output Short Circuit Protection/输出短路保护
Short circuit occurred on +12V output should not cause any damage to the power supply but shut down the power supply. The power supply will be automatically recovered.
输出短路时，电源不会有任何损坏，而且还会关闭电源。故障解除后将会自动恢复正常。
5.5 Over Load Protection/过载保护
An over protection will be effected when overloading reaches 240%-300% Max. load. The power supply will be automatically recovered.
当负载达到240%最大300%时，电源过流保护。解除故障可恢复正常工作。
6. EFFICIENCY/RISE TEMPERATURE /效率/温升
6.1 Efficiency/效率
The efficiency is 78% when this power supply is working under typical station.
电源在标准状态下工作时，效率是78%。
6.2 Rise temperature /温升
Rise temperature is less than 35℃ when this power supply works in 25℃ ambient temperature.
电源在25℃的环境下正常工作时，上升温度不高于35℃。
7. SAFETY REQUIREMENT/安规要求
7.1 Insulation withstand voltage/耐压绝缘
There shall be no abnormality when 3750VAC (sensing current 5mA) is impressed across AC
connector and DC terminal for one minute.
Note: inspect with 3750VAC, 3 sec,5mA in production line
连接AC端到DC端一分钟，外加3750VAC(漏电流为5mA)，无异常现象产生。
注意：在产线上目检3750VAC，3秒钟，5mA
7.2 Insulation resistance/绝缘抗阻
Shall be 100MΩ or more, measure with 500VDC connected between input connector and DC
terminal.
用测量为500VDC连接输入头和DC端，电阻应为20 MΩ或20MΩ以上。
8.
BURN-IN TEST/老化测试
100% burn-in tested at Max. load under 30±5 degree centigrade.
在30±5℃并且最大负载情况下进行100%老化
9. WEIGHT: this power supply is about 147g.
重量：大约147g/个
