IC697BEM763RR
IC697BEM763RR
IC697BEM763RR
对于工控24V电源总线来说,实际线上电压一般在18~36V之间,绝大部分产品的启动电流为其满载工作电流的3~4倍,即当一个输出功率为3W的产品在18V电压下工作时,所需启动电流为500mA~667mA,需9~12W功率的前级电源才可以启动一个DC/DC电源模块,而同时带动多个模块时所需的功率将更大。
而采用软启动后,其启动电流仅为输入电流的1.1~1.4倍,即假使转换效率为78%,在18V输入电压工作时电流为214mA,则所需启动电流仅为235 mA~300mA,所需前级电源功率也仅为4.2~5.4W,为保证安全工作,使用6W的启动电源已绰绰有余了。即使同时带动5个DC/DC模块,只需25~30W的功率即可。而且在长线供电的工控条件下可以实现更远的传输距离。
◆ 企业名称:厦门泰尼电气有限公司
◆ 主营业务:DCS,PLC
◆ 经营模式: 贸易
◆ 贸易地区:
◆ 联系人: 小黄《女士》
◆ 电话:
◆手机:
◆ QQ:2917675397
◆ 传真: (备注“01006”收)
◆ E-mail: 2917675397@qq.com
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