Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general guidelines for LDO regulator layout, such as keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths.
The output voltage tolerance of the TPS78633KTTRE3 is specified as ±2% over the operating temperature range. To calculate the output voltage tolerance, multiply the nominal output voltage by the tolerance percentage (e.g., for a 3.3V output, the tolerance would be ±66mV).
The absolute maximum input voltage rating for the TPS78633KTTRE3 is 6.5V. Applying a voltage higher than this can damage the device. It's recommended to ensure that the input voltage remains within the recommended operating range of 2.7V to 5.5V.
The TPS78633KTTRE3 is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's recommended to follow the thermal design guidelines in the datasheet and to ensure that the device is properly heatsinked to maintain a safe operating temperature.
To ensure stability, follow the recommended capacitor values and types in the datasheet, and ensure that the input and output capacitors are properly placed and connected. Additionally, avoid using capacitors with high equivalent series resistance (ESR) values, as they can cause oscillation.
TPS78633KTTRE3 datasheet
by Texas Instruments
