TPS5450DDARG4 datasheet by Texas Instruments

TPS5450DDARG4 Frequently Asked Questions (FAQs)

• What is the maximum input voltage that can be applied to the TPS5450DDARG4?
  The maximum input voltage that can be applied to the TPS5450DDARG4 is 18V, but it's recommended to keep it below 15V for optimal performance and reliability.
• How do I ensure the stability of the output voltage?
  To ensure the stability of the output voltage, it's essential to use a suitable output capacitor with a low equivalent series resistance (ESR) and a sufficient capacitance value. A 10uF to 22uF ceramic capacitor is recommended.
• What is the minimum input capacitance required for the TPS5450DDARG4?
  The minimum input capacitance required for the TPS5450DDARG4 is 10uF, but it's recommended to use a higher value (22uF or more) for better performance and stability.
• Can I use the TPS5450DDARG4 in a high-temperature environment?
  The TPS5450DDARG4 is rated for operation up to 125°C, but it's essential to consider the thermal design and ensure proper heat dissipation to prevent overheating and ensure reliable operation.
• How do I calculate the output voltage of the TPS5450DDARG4?
  The output voltage of the TPS5450DDARG4 can be calculated using the formula: Vout = 0.8V x (1 + R1/R2), where R1 and R2 are the resistors used in the feedback network.