5V 2A 电源适配器规格书 1、描述/ DESCRIPTION: 本规格书适应于K-A70502000 型号的开关电源. The purpose of the document is to specify the functional requirements of a 10W 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,最大输入交流电流0.45A. 0.45Amps 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 冷态起机时的最大浪涌电流小于20A. 20 Amps 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. 0.25mA Max.At240Vac input. 金宝通科技/BESTGK R&D 电源适配器 Pow er adapter K-A7 系列 版本/ Version SHEET OF A1 3、输出特性/OUTPUT CHARACTERISTICS: 3.1 输出功率/Power output 空载电压 Idling Voltage 最小负载 Min. Load 额定负载 Rated. Load 满载电压 Full Voltage 输出功率 Output power 5-5.5Vdc 0.01A 2A 4.7-5.5V 10W 3.2 负载特性,调整率/Combined Load/Line Regulatio 3.3 纹波和噪音 Ripple and Noise: 测试条件:在额定电压及额定负载条件下,使用示波器带宽为 20MHz 连接到充电器的输出端,同时输出端并联一个47uF 的电解电容和一个 0.1uF 的瓷片电容. Under nominal voltage and nominal 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 最大纹波/最大噪音 Voltage Ripple and Noise(Max.) +5Vdc 100mV p-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 5S. 5Second 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...