长虹欣锐供应开关电源-前投电源

特点/feature:

1.宽输入电压范围/ wide range of ac input

2.输出短路保护/output short circuit protection

3.高稳压精度/high regulation accuracy

4.制造过程满负载工作温度上限老化测试/ full-load, top ambient temperature burn-in test

5.符合rohs要求/meets the needs of rohs

输入特性/input characteristic

1.输入电压范围/input voltage range 90vac~264vac

2.频率范围/frequency range 47~63hz

3.Zui大输入电流/max input current 4.5a(100vac input，full loaded)

4.效率/efficiency "≥72%(100vac input，full loaded) ≥75%(240vac input，full loaded) "

输出特性/outout characteristic

1.输出电压/output voltage vstb(+5v) vaudio(+12.0v) v(+12.0v) 380v

2.输出电压精度/output voltage accuracy ±5% ±5% ±5% /

3.输出电流/output current range 0a~1a 0a~1.5a 0a~1.5a 0a~0.7a

4.纹波噪声/ripple & noise (vpp) 100mv vpp 150mv vpp 150mv vpp /

5.短路保护/short circuit protection latch latch latch latch

6.输出功率/output power 300w

安规标准及电磁兼容/safety & emc

1.绝缘耐压/withstand voltage ≤10ma 60s（ac 3000v，50hz，room temperature）

2.安规标准/safety en60065 & gb4943 & gb8898

3.电磁兼容/emc en55013-2001a1-2003 gb13837-2003

环境条件/circumstance condition

1.工作温度/working temperature -10℃~+55℃

2.工作湿度/working humidity 10%~80% rh（no condensation）

3.散热方式/heat-dissipating mehthod natural wind cooling

外形尺寸198mm（l） x 75mm（w）x 45mm（h）