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 TPS79625DCQG4 is specified as ±2% over the operating temperature range. To calculate the output voltage tolerance, multiply the nominal output voltage by the tolerance percentage. For example, for a 2.5V output, the tolerance would be ±0.05V.
The absolute maximum input voltage rating for the TPS79625DCQG4 is 6.5V. Applying a voltage higher than this can damage the device. However, the recommended maximum input voltage is 5.5V to ensure reliable operation.
The TPS79625DCQG4 is rated for operation up to 125°C junction temperature. However, the device's performance and reliability may degrade at high temperatures. It's recommended to derate the output current and input voltage according to the datasheet's thermal derating curves.
To ensure stability, follow the datasheet's guidelines for input and output capacitor selection, and keep the capacitors close to the device. Additionally, ensure that the input voltage is well-regulated and the output current is within the recommended range.
TPS79625DCQG4 datasheet
by Texas Instruments
