KW37_38_39 DCDC converter.pdf

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KW37_38_39 DCDC converter.pdf

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KW37_38_39 DCDC converter.pdf

This application note describes the usage of the DC-DC Switching Mode Power Supply (SMPS) converter for the MKW39A/38A/37A/38Z/37Z families. This document covers operating voltages, types of circuit operation, hardware design guidelines, software configuration, and power capabilities.

It's a complementary document from the AN5025.

The DC-DC converter for MKW3x is a dual output converter that supports two operating modes: Bypass and Buck. In Bypass mode, the DC-DC converter is disabled and the supply pins of the microcontroller must be supplied externally. In Buck mode, the DC-DC converter is enabled and requires a DC supply in the range of 1.8 V to 4.2 V (during startup the minimum required is 2.1 V).

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‎05-11-2020 06:07 AM
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