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 capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce noise and EMI.
To ensure stability, it's crucial to follow the recommended component values and PCB layout. Additionally, make sure to use a sufficient output capacitor with a low ESR, and consider adding a small ceramic capacitor (e.g., 10nF) in parallel with the output capacitor to improve stability.
Although the datasheet specifies a maximum input voltage of 5.5V, it's recommended to limit the input voltage to 5V to ensure reliable operation and prevent damage to the device.
The TPS79730MDCKREP is rated for operation up to 125°C, but it's essential to consider the device's power dissipation and thermal management in high-temperature environments. Ensure proper heat sinking and follow the recommended thermal design guidelines.
The output voltage accuracy and tolerance can be calculated using the formulas provided in the datasheet. Consider the initial accuracy, temperature coefficient, and output voltage tolerance to determine the overall output voltage accuracy.