ADUM5401ARWZ Datasheet

Integrated DC-to-DC Converter


The ADUM5401ARWZ is quad-channel digital isolators with isoPower®, an integrated, isolated dc-to-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. ADUM5401ARWZ Features • isoPower integrated, isolated dc-to-dc converter • Regulated 3.3 V or 5.0 V output • Up to 500 mW output power • Quad dc-to-25 Mbps (NRZ) signal isolation channels • 16-lead SOIC package with 7.6 mm creepage • High temperature operation: 105°C maximum • High common-mode transient immunity: >25 kV/μs ADUM5401ARWZ Applications • RS-232/RS-422/RS-485 transceivers • Industrial field bus isolation • Power supply start-up bias and gate drives • Isolated sensor interfaces • Industrial PLCs


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