The recommended PCB layout for optimal performance involves keeping the current path as short and wide as possible, using a solid ground plane, and placing the inductor as close to the IC as possible. A 4-layer PCB with a 1 oz copper thickness is recommended. Refer to the application note AN-13 for detailed layout guidelines.
To select the correct inductor value, consider the output voltage, output current, and switching frequency of your application. Use the inductor selection guide provided in the datasheet or consult with a Bourns application engineer for assistance.
The maximum operating temperature for the SRP1245C-R22M is 125°C, with a derating of 1.5% per degree Celsius above 80°C. Ensure that the inductor is operated within the specified temperature range to maintain reliability and performance.
The SRP1245C-R22M is designed to withstand moderate vibration levels. However, for high-vibration environments, consider using a more robust inductor design, such as the Bourns SRP1038A series, which is specifically designed for high-reliability applications.
The recommended soldering process for the SRP1245C-R22M involves using a reflow soldering process with a peak temperature of 260°C for 10-15 seconds. Ensure that the inductor is properly aligned and secured to the PCB during the soldering process.
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