9V 3A桌面式充电器

已获取认证：CB\CCC\GS\CE\BS\CTUVUS\SAA\KC\PSE(双系列认证：60950和60065）

1、描述/ DESCRIPTION:
The purpose of the document is to specify the functional requirements of a 20W switching power supply.
2、输入特性/INPUT CHARACTERISTICS:
2.1输入电压/Input Voltage:
额定电压/Rated Voltage:100~240Vac
调整范围/Variation Range:90-264Vac
2.2输入频率/Input Frequency:
额定频率/ Rated Frequency: 50/60Hz.
调整频率/Variation Frequency:47-63Hz
2.3输入电流/Input Current:
当输入交流电压为额定值的下限电压负载满载时,较大输入交流电流0.8A.
0.8Amps max At any input voltage and rated, DC output rated load.
2.4浪涌电流/Inrush Current:
当输出为额定负载,环境温度为25℃,输入240Vac冷态起机时将不会损坏.
No damage shall be occurred and the input fuse shall not be blown up，Cold start at 240Vac input, with rated
load and 25℃ ambient.
2.**C漏电流/Ac Leakage Current:
当输入电压240Vac时,较大漏电流为0.25mA.

0.25mA Max.At240Vac input.

3、输出特性/OUTPUT CHARACTERISTICS:
3.1输出功率/Power output
电压
Voltage
较小负载
Min. Load
额定负载
Rated. Load
峰值功率
Peak
输出功率
Output power
5Vdc 0.01A 4A 20W
3.2负载特性,调整率/Combined Load/Line Regulation
电压
Voltage
较小负载
Min. Load
额定负载
Rated. Load
线性调整
Line Regulation
负载调整
Load Regulation
5Vdc 0.01A 4A ±2% ±6%
3.3纹波和噪音Ripple and Noise:
测试条件:在输入115/230Vac 25℃和输出较小及较大负载时，使用示波器带宽为20MHz连接到适配器的输出端，
同时输出端并联一个47uF的电解电容和一个0.1uF的瓷片电容.
At 115/230Vac 25℃ input and output Min and Max.Load,the ripple and noise are as follows when measure with
Max.Bandwidth of 20MHz and Parallel 47uF/0.1uF,crossed connected at testing point.
电压 较大纹波/较大噪音
Voltage Ripple and Noise(Max.)
+5Vdc 120mV p-p
3.4启动延迟时间/Turn on delay time:
当输入115Vac和输出较大负载时,较大启动时间为3S.
3Second Max.at 115Vac input and output Max.load.
3.5上升时间/Rise time:
当输入115Vac和输出较大负载时较大时间为40 mS.
40 mS Max.at 115Vac input and output Max load.
3.6保持时间/Hold up time:
当输入115Vac 和输出较大负载时,较小保持时间为5 mS .
5 mS Min.at 115Vac input and output Max.Load.
3.7效率/Efficiency:
当115/230Vac输入电压时，1/4，1/2, 3/4和满载计算平均效率，较小78.57%.
78.57% Min,At 115/230Vac input voltage,1/4, 1/2, 3/4 and full load calculation average efficiency.
适配器满足能效V.
Adapter meet efficiency lever V.

3.8过冲/Overshoot:
在电源开启或关闭的时候,较大15%.
15% Max.When power supply at turn or turn off.
4、保护功能/PROTECTION FUNCTION:
4.1短路电路保护/Short circuit protection:
该电源供给器在短路解除时能正常工作恢复.
The power supply will be auto recovered when short circuit faults remove.
4.2过流保护/Over current Protection:
过流故障排除后,电源将自动恢复正常工作.
The power supply will be auto recovered when over current faults remove.
5、环境要求/ENVIRONMENTAL REQUIREMET:
5.1 工作温度/Operating Temperature:
0℃-40℃,满载,正常工作.
0℃ to 40℃,Full load, Normal operation.
5.2 储藏温度/Storage Temperature:-20℃ to 60℃
带外壳/With package
5.3工作湿度/Relative Humidity:
5%(0℃)~90%(40℃),72小时,满载,正常工作.
5%(0℃)~90%(40℃)RH,72Hrs,Full load, Normal operating.
5.4 振动/Vibration:
1. 测试标准:国际电工电子**
Operating: IEC 721-3-3 3M3
5~9Hz,A=1.5mm
加速度(9~200Hz,Acceleration 5m/S2)
2. 运输/Transportation:
IEC 721-3-2 2M2
5-9Hz,A=3.5mm
9~200Hz,加速度Acceleration=5m/S2
200~500Hz,加速度Acceleration=15m/S2

3. 轴向振动/Axes,10 cycles per axis.
在测试过程中不能出现*性的损坏.
No permanent damage may occur during testing.
在电源开启和关闭后,样机能够恢复到较初条件.
The SAMPLE has to restore to its original situation after power off/on..
5.5 跌落试验/Dropping Packed:
跌落高度为760mm;
Drop the height is760mm.
测试台面是厚13mm的夹木板，离地面高19-20mm
The horizontal surface Consists of hardwood at least 13mm thick,mounted on two layers of plywood
each 19mm to 20mm thick,all supported on a concrete or equivalent non-resilient floor.
6、安全及EMC要求/SAFETY AND EMC REQUIREMENT:
6.1 安全: 符合标准EN ：EN60065
Safety:accord standard with：EN60065
6.2 高压/DIELECTRIC STRENGTH Hi-Pot:
初级对次级/Primary to secondary:4242Vac/5mA/60S

、 结构参数/MECHANICAL REQUIREMENT:
7.1 外壳/Enclosure:
The power supply size: L97x W45x H30mm;
外壳尺寸: L97x W45x H30mm;
7.2 输入线/Input Connector:
C8插脚/Two pin input plug of C8.