STMicroelectronics provides a recommended PCB layout in their application note AN4846, which includes guidelines for component placement, thermal management, and routing to minimize electromagnetic interference (EMI) and ensure reliable operation.
The input capacitor values depend on the input voltage, output voltage, and switching frequency. A general guideline is to use a capacitor with a value between 10uF to 22uF, with a voltage rating of at least 1.5 times the input voltage. Consult the datasheet and application notes for more specific guidance.
The VND7NV0413TR is rated for operation up to 150°C, but the maximum ambient temperature for reliable operation depends on the specific application and cooling conditions. As a general rule, it's recommended to keep the ambient temperature below 125°C to ensure long-term reliability.
To ensure EMC compliance, follow the guidelines in the datasheet and application notes for PCB layout, component selection, and shielding. Additionally, consider using a metal shield or screen to enclose the device, and ensure that the device is properly grounded and decoupled.
STMicroelectronics recommends a soldering profile with a peak temperature of 260°C, a dwell time of 30-60 seconds, and a ramp-up rate of 3°C/s. Consult the datasheet and application notes for more specific guidance on soldering and assembly.
VND7NV0413TR datasheet
by STMicroelectronics
