The PMP6938 design uses the TPS54062 synchronous step-down DC/DC converter as an alternative to a linear regulator for 2 wire 4-20mA current loop applications. The design is optimized for small size ...
Abstract: This document explains how the Campbell (MAXREFDES4#) subsystem reference design meets the higher resolution and isolation needs of industrial control and industrial automation applications.
Galvanically (that is, optically or electromagnetically) isolated 4- to 20-mA current loops offer robust noise immunity and tolerate long cable runs. These advantages, combined with simple unshielded ...
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