A 2-layer or 4-layer PCB with a solid ground plane and thermal vias is recommended. Ensure a minimum of 1 oz copper thickness and a thermal relief pattern under the device.
Implement a robust thermal management system, including a heat sink, thermal interface material, and a cooling fan if necessary. Monitor the device's junction temperature and adjust the system design accordingly.
Choose an inductor with a high saturation current, low DC resistance, and a suitable inductance value (e.g., 1-10 μH). Ensure the inductor's physical size and thermal rating are compatible with the system design.
Use a star-point grounding scheme, keep high-frequency traces short and away from sensitive nodes, and use shielding or guard rings around sensitive components. Implement a common-mode choke or EMI filter if necessary.
Choose a capacitor with a high ripple current rating, low equivalent series resistance (ESR), and a suitable capacitance value (e.g., 10-100 μF). Ensure the capacitor's voltage rating exceeds the maximum output voltage.
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FDMS86182 Overview
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