The TLV3472CDR is a high-frequency device, so it's essential to follow good PCB layout practices to minimize noise and ensure proper operation. TI recommends placing the device close to the power supply, using a solid ground plane, and keeping the input and output traces short and separate.
The output capacitor (Cout) should be chosen based on the desired output voltage ripple, output current, and stability requirements. A general rule of thumb is to use a capacitor with a value between 1uF to 10uF, with a voltage rating of at least 2x the output voltage. X5R or X7R ceramic capacitors are good options.
The TLV3472CDR has an absolute maximum input voltage rating of 6V. Exceeding this voltage can cause permanent damage to the device. It's essential to ensure that the input voltage remains within the recommended operating range of 2.7V to 5.5V.
The TLV3472CDR is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's essential to follow the recommended operating conditions and consider the device's thermal characteristics when designing for high-temperature applications.
To ensure stability, follow the recommended layout and placement guidelines, use a suitable output capacitor, and ensure that the input and output voltage rails are properly decoupled. Additionally, avoid using long input and output traces, and keep the device away from noise sources.
TL3472CDR datasheet
by Texas Instruments
