Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good thermal design practices, such as using a solid ground plane, placing thermal vias under the device, and keeping the thermal path short and direct.
To ensure accurate and stable output voltage, it's crucial to follow the recommended input and output capacitor selection, use a low-ESR output capacitor, and minimize the output voltage ripple by using a sufficient output capacitor value.
Although the datasheet specifies a maximum input voltage of 28V, it's recommended to derate the input voltage to 24V or lower to ensure reliable operation and minimize the risk of overvoltage stress.
The thermal shutdown feature is designed to protect the device from overheating. When the device reaches a junction temperature of 150°C, it will shut down. To handle this feature, ensure proper thermal design, monitor the device temperature, and implement a thermal shutdown response in your system design.
The recommended input capacitor value is 10uF to 22uF, and it's essential to use a low-ESR capacitor, such as an X5R or X7R ceramic capacitor, to minimize the input voltage ripple and ensure stable operation.
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TPSM828303ARDSR Overview
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About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
