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孤立的SLIC电源

资料介绍
摘要:本应用笔记显示了电源产生三个隔离电压SLIC组件。隔离电源使用-24V类型学在反激式变压器,升压控制器MAX668 , -72V输出,光耦隔离反馈信号。线性稳压器MAX8867 ,提供3.3V输出。
Maxim > App Notes > Automotive Power-supply circuits
Keywords: subscriber line interface card, SLIC, boost controller, transformer flyback typology, optocoupler, shunt voltage regulator, linear Jun 14, 2002
voltage regulator

APPLICATION NOTE 1115
Isolated SLIC supply


Abstract: This application note shows a power supply that generates three isolated voltages for SLICs. The isolated power supply
uses a boost controller, the MAX668, with a transformer in flyback typology for -24V, and -72V outputs, and isolates the
feedback signal with an optocoupler. A linear voltage regulator, the MAX8867, provides the 3.3V output.

A similar version of this article appeared in the September 24, 2001 issue of EE Times magazine.

Some subscriber line interface cards (SLICs) require power-supply voltag……
孤立的SLIC电源
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