STMicroelectronics provides a recommended PCB layout in the application note AN4553, which includes guidelines for component placement, routing, and thermal management to ensure optimal performance and thermal dissipation.
The selection of the inductor depends on the specific application requirements, such as the input voltage, output voltage, and switching frequency. STMicroelectronics provides a list of recommended inductors in the datasheet, and also offers an inductor selection tool on their website to help engineers choose the right inductor for their design.
The maximum junction temperature of the L9348 is 150°C, as specified in the datasheet. However, it's recommended to keep the junction temperature below 125°C to ensure reliable operation and to prevent thermal shutdown.
Yes, the L9348 is designed to operate in high-temperature environments, but it's essential to ensure that the device is properly cooled and that the junction temperature remains within the specified limits. STMicroelectronics provides guidelines for high-temperature operation in the application note AN4553.
STMicroelectronics provides a troubleshooting guide in the application note AN4553, which covers common issues and their solutions, such as output voltage regulation, current sensing, and thermal management. Additionally, engineers can use oscilloscopes and other diagnostic tools to identify and debug issues with the L9348.
L9348 datasheet
by STMicroelectronics
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