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RM590 series, 400 mA Buck DC/DC Module with Built-in Inductor

DemonstrationIndustrialDC/DC Switching Regulators

The RM590 series is our first buck DC/DC module that contains a built-in inductor with an input voltage range of 2.3 V to 5.5 V and output current of 400 mA. Including an inductor makes the new module able to simplify board design, reduce mounting area, and suppress radiation noise. Also, by adopting fast oscillator frequency of 6 MHz, the RM590 succeeds in reducing ripple noise from its output.