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Murata recommends a 2-layer PCB with a solid ground plane on the bottom layer and a thermal relief pattern on the top layer to ensure good thermal conductivity. A minimum of 2 oz copper thickness is recommended.
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To ensure reliable start-up, Murata recommends a soft-start circuit to limit the inrush current and a sufficient input capacitance to filter out noise and ripple. A minimum of 10uF input capacitance is recommended.
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The maximum allowed capacitance on the output of the converter is 220uF. Exceeding this value may cause instability or oscillation in the converter.
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Yes, the NPH10S2403EIC is rated for operation up to 85°C ambient temperature. However, derating of the output power may be necessary to ensure reliable operation at high temperatures.
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To troubleshoot issues with the output voltage regulation, check the input voltage, output load, and feedback resistors for correct values and connections. Also, verify that the output voltage sense lines are properly connected and not noisy.
