Texas Instruments provides a recommended PCB layout in the datasheet, but it's also important to follow general best practices for power management ICs, such as keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths.
To ensure stability, make sure to follow the recommended capacitor values and types, and keep the output capacitor ESR within the specified range. Also, avoid using capacitors with high ESL (Equivalent Series Inductance) and ensure the PCB layout is well-designed to minimize parasitic inductance.
Although the datasheet specifies a maximum input voltage of 26V, it's recommended to derate the input voltage to 24V or lower to ensure reliable operation and to account for voltage spikes or transients.
The TLV803EA26DCKR is rated for operation up to 125°C, but it's essential to consider the device's power dissipation and thermal management when operating at high temperatures. Ensure proper heat sinking and follow the recommended thermal design guidelines.
Start by verifying the input voltage, output voltage, and output current. Check the PCB layout and component values to ensure they match the recommended design. Use an oscilloscope to monitor the output voltage and input voltage ripple. If issues persist, consult the datasheet and application notes or contact Texas Instruments support for further assistance.
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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.
