1、描述(SCOPE):
格书适应于12V4A电源适配器。
The document is to specify the functional requirements of a 48W switching power supply.
2、输入特性(INPUT CHARACTERISTICS):
2.1输入电压(Input Voltage):
额定电压(Nominal Voltage):100-240Vac
调整范围(Variation Range):90-264Vac
2.2输入频率(Input Frequency):
额定频率(Nominal 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时,输出电压负载满载,最大输入交流电流2A。
2 Arms 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冷态起动电源时的最大浪涌电流小于30A。
30Amps Max. Cold start at 240Vac input, with rated load and 25℃ambient.
2.5 AC漏电流(Ac Leakage Current):
当输入电压240Vac时,最大漏电流为0.25mA。
0.25 mA Max At 240Vac input.
3、输出特性(OUTPUT CHARACTERISTICS):
3.1输出功率(Power Output);
电压 最小负载 最大负载 峰值电流 输出功率
Voltage Min. Load Max. Load Peak Output Power
+12Vdc 0A 2.5A 4A 30W
3.2负载特性/调整率(Combined Load/Line Regulation):
电压 最小空载电压 最大空载电压 线性调整 负载调整
Voltage Min. Voltage Max. Voltage Line Regulation Load Regulation
+12Vdc 12.00V 12.60V ±5% ±5%
3.3波纹和噪音(Ripple And Noise):
测试条件:任何负载正常工作下,使用示波器带宽为20MHz连接到充电器的输出端,同时输出端 并连一个47uF的电解电容和一个0.1uF的瓷片电容。
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 最大波纹最大噪音
Voltage Ripple And Noise(Max.)
+12Vdc 120mVp-p
3.4启动延迟时间(Turn On Delay Time):
当输入115Vac和输出最大负载时,最大启动时间为2S。
2 second Max. At 115Vac input and output Max. Load.
3.5上升时间(Rise Time):
当输入115Vac和输出最大负载时最大时间为40mS。
40mS Max. At 115Vac input and output Max. Load.
3.6保持时间(Hold Up Time):
当输入115V和输出最大负载时,最小保持时间为5mS。
5mS Min. At 115Vac input and output Max. Load.
3.7效率(Efficiency):
当输入100Vac和输出最大负载时,最小80%。
80%Min.At 100Vac input and output Max. Load.
当输入240Vac和输出最大负载时,最小83%。
83%Min.At 240Vac input and output Max. Load.
3.8过冲(Overshoot):
在电源开启或关闭的时候,最大15%。
15%Max.When power supply at turn on or turn off.
3.9空载损耗不大于0.5W.
4、保护功能(PROTECTION REQUIREMENT):
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.
4.3过压保护(Over Voltage Protection)
当输出电压超过额定电压时,电源将保护,故障排除后不能恢复正常工作。
The power supply will not be auto recovered when faults remove.
5、环境要求(ENVIRONMENTAL REQUIREMET):
5.1工作温度(Operating Temperature):
-20℃~ 60℃,满载,正常工作(Full load Normal operation)。
-20℃to60℃,Full load Normal operation.
5.2储存温度(Storage Temperature):
-20℃to85℃,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:国际电工电子委员会 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永久性的损坏。
No permanent damage may occur during testing.
在电源开启和关闭后,样机能够恢复到最初条件。
The product has to restors its original situation after power off/on.)
5.5跌落试验(Dropping)(Packed):
一个角,三个棱, 六个面。
1 corner,3 edges, and 6 surfaces
高度76cm Height:76cm
6、安全及EMC要求(SAFETY AND EMC REQUIREMENT):
6.1安全:符合 CCC CE SAA FCC GS ROHS标准
6.2高压(DIELECTRIC STRENGTH)(H-Pot):
(H-Pot)Primary to secondary),3000Vac/5mA/5s.
7、结构参数(MECHANICAL REQUIREMENT):
7.1外壳(Enclosure):
外壳尺寸:L115*W47*H32mm
The power supply size L:115*W:47*H:32mm
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