Texas Instruments provides a recommended layout and placement guide in the TPS60243DGKT datasheet, which includes guidelines for component placement, routing, and thermal considerations. Additionally, the TI website provides a layout guide document (SLUU323) that provides more detailed information on layout and placement best practices.
To ensure stability, follow the recommended component values and layout guidelines in the datasheet. Additionally, make sure to decouple the input and output pins with capacitors, and use a low-ESR output capacitor. If oscillation occurs, try adding a small ceramic capacitor (e.g., 10nF) between the VOUT and GND pins to improve stability.
The TPS60243DGKT has an absolute maximum input voltage rating of 6.5V. However, the recommended operating input voltage range is 2.7V to 5.5V. Exceeding the absolute maximum rating can damage the device.
The TPS60243DGKT has an operating junction temperature range of -40°C to 125°C. However, the device's performance and reliability may degrade at high temperatures. For high-temperature applications, consider using a device with a higher temperature rating or implementing thermal management techniques, such as heat sinking or airflow.
The output voltage of the TPS60243DGKT is set by the resistor divider network (R1 and R2) connected to the FB pin. The output voltage can be calculated using the formula: VOUT = 1.2V x (1 + R2/R1). Make sure to choose resistor values that provide the desired output voltage and ensure that the total resistance is within the recommended range.