Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general guidelines for low-dropout regulator (LDO) layout, 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, the output capacitor should meet the minimum ESR (Equivalent Series Resistance) and capacitance requirements specified in the datasheet. Additionally, the capacitor should be placed close to the device and the output voltage should be decoupled with a ceramic capacitor.
The maximum input voltage that can be applied to the TPS76301DBVRG4 is 13.5V, which is the absolute maximum rating. However, it's recommended to operate the device within the recommended input voltage range of 2.7V to 12V for optimal performance and reliability.
The TPS76301DBVRG4 has a soft-start feature that helps to reduce inrush current during power-up. During power-down, the device will shut down and enter a low-quiescent current state. The power-up and power-down sequences should be controlled to ensure that the input voltage rises and falls monotonically to prevent unwanted oscillations.
The TPS76301DBVRG4 is rated for operation up to 125°C, but 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.
TPS76301DBVRG4 datasheet
by Texas Instruments
