TheADuM5401/ADuM5402/ADuM5403/ADuM54041 are quadchannel digital
isolators with isoPower®, an integrated, isolated dcto-dc
converter. Based on the Analog Devices, Inc., iCoupler® technology,
the dc-to-dc converter provides up to 500 mW of regulated,
isolated power at either 5.0 V or 3.3 V from a 5.0 V input supply,
or at 3.3 V from a 3.3 V supply at the power levels shown in
Table 1. These devices eliminate the need for a separate, isolated
dc-to-dc converter in low power, isolated designs. The iCoupler
chip scale transformer technology is used to isolate the logic
signals and for the power and feedback paths in the dc-to-dc
converter. The result is a small form factor, total isolation
solution. The ADuM5401/ADuM5402/ADuM5403/ADuM5404 isolators provide
four independent isolation channels in a variety of channel
configurations and data rates (see the Ordering Guide for more
information). isoPower uses high frequency switching elements to
transfer power through its transformer. Special care must be taken
during printed circuit board (PCB) layout to meet emissions
standards. See the AN-0971 Application Note for board layout
recommendations.
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Shenzhen QINGFENGYUAN Technology Co., Ltd. was established in 2013. It is a large-scale professional electronic component distributor with a complete range of products. Products include analog
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