A 2-layer or 4-layer PCB with a solid ground plane and thermal vias is recommended for optimal thermal performance. Ensure a minimum of 1 oz copper thickness and a thermal relief pattern around the device.
Implement a robust thermal management system, including a heat sink and thermal interface material. Ensure good airflow and avoid hot spots. Monitor junction temperature and adjust the system design accordingly.
Use low-ESR capacitors with a minimum capacitance of 10uF for input and output filtering. X5R or X7R dielectric capacitors are recommended for their stability over temperature and voltage.
Use a shielded enclosure, keep sensitive components away from the SPC14987, and use a common-mode choke or ferrite bead on the input lines. Ensure good PCB layout practices, such as separating analog and digital grounds.
Apply the input voltage first, followed by the enable signal. Ensure the input voltage is stable before applying the enable signal. A soft-start circuit can be used to reduce inrush current.
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SPC14987 Overview
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