ADuM5401/ADuM5402/ADuM5403/ADuM5404均為四通道數(shù)字隔離器,集成isoPower隔離式DC/DC轉(zhuǎn)換器。
該DC-DC轉(zhuǎn)換器基于ADI公司的iCoupler技術(shù),采用5.0 V(5.0V輸入電源)或3.3V電壓(3.3V電源)時(shí),可提供高達(dá)500 mW的穩(wěn)壓隔離功率。
在低功耗隔離設(shè)計(jì)中,無需使用單獨(dú)的隔離式DC-DC轉(zhuǎn)換器。
利用iCoupler芯片級變壓器技術(shù),能夠同時(shí)隔離邏輯信號和DC/DC轉(zhuǎn)換器的磁性元件,因此可提供小尺寸、完全隔離的解決方案。
ADuM5401/ADuM5402/ADuM5403/ADuM5404隔離器提供4個(gè)獨(dú)立的隔離通道,支持多種通道配置和數(shù)據(jù)速率(更多信息請參考“訂購指南”)。
isoPower利用高頻開關(guān)元件,通過其變壓器傳輸功率。設(shè)計(jì)印刷電路板(PCB)布局時(shí)應(yīng)特別小心,必須符合相關(guān)輻射標(biāo)準(zhǔn)。
應(yīng)用
工業(yè)現(xiàn)場總線隔離
電源啟動偏置和柵極驅(qū)動
工業(yè)PLC
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原文標(biāo)題:ADUM5402CRWZ集成DC/DC轉(zhuǎn)換器的四通道2.5 kV隔離器(2/2通道方向性)
文章出處:【微信號:兆億微波,微信公眾號:兆億微波】歡迎添加關(guān)注!文章轉(zhuǎn)載請注明出處。
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