Electromagnetic compatibility (EMC) is important for the functionality and security of electronic devices. Today’s designers must deal with steadily increasing system frequencies, changing power limits, high-density layouts required by more complex systems, and the ever-present need for low manufacturing cost. Therefore, it is necessary to optimize EMC. Linear regulators supply several types of loads including microcontrollers, one of the key devices in automotive applications. This document concentrates on EMC for automotive basic knowledge, test methods at the IC level and ON Semiconductor standards. PCB guide lines are included to prevent any board effect or external coupling.
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