Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good PCB design practices, such as keeping the input and output traces short and separate, using a solid ground plane, and placing decoupling capacitors close to the device.
The output capacitor value depends on the output voltage, output current, and desired ripple voltage. A general rule of thumb is to use a capacitor with a value between 10uF to 47uF, with a voltage rating at least 1.5 times the output voltage. Consult the datasheet and application notes for more specific guidance.
The TPSM33615FRDNR has an absolute maximum input voltage rating of 18V. However, it's recommended to operate the device within the specified input voltage range (4.5V to 15V) to ensure reliable operation and prevent damage.
To ensure stability, follow the recommended PCB layout, use a sufficient output capacitor, and ensure the input voltage is within the specified range. Additionally, consult the datasheet and application notes for guidance on selecting the correct compensation components and layout considerations.
The TPSM33615FRDNR has a thermal derating of 20mA/°C above 25°C. This means that the device's output current capability decreases as the temperature increases. Ensure proper thermal management, such as using a heat sink or providing adequate airflow, to maintain optimal performance.
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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.
