A good PCB layout for the TPS40060PWP involves placing the input capacitors close to the VIN pin, using a solid ground plane, and keeping the high-current paths short and wide. Additionally, it's recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
The choice of input and output capacitors for the TPS40060PWP depends on the specific application requirements. In general, X5R or X7R ceramic capacitors with a voltage rating of 10V or higher are recommended for the input capacitor, while a low-ESR capacitor with a voltage rating of 2.5V or higher is recommended for the output capacitor.
The TPS40060PWP is rated for operation from -40°C to 125°C, but the maximum ambient temperature range depends on the specific application and the thermal design of the system. In general, it's recommended to keep the ambient temperature below 85°C for optimal performance and reliability.
The TPS40060PWP has a built-in overcurrent protection feature that can be enabled by connecting a resistor between the OCSET pin and the GND pin. The value of the resistor determines the overcurrent threshold, and the device will shut down if the output current exceeds this threshold.
The recommended startup sequence for the TPS40060PWP involves applying the input voltage (VIN) first, followed by the enable signal (EN). This ensures that the device is properly biased and configured before the output voltage is enabled.
TPS40060PWP datasheet
by Texas Instruments
