TPS70458PWP datasheet by Texas Instruments

TPS70458PWP Frequently Asked Questions (FAQs)

• What is the maximum input voltage that can be applied to the TPS70458PWP?
  The maximum input voltage that can be applied to the TPS70458PWP 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 capacitor with a value between 1uF to 10uF and an ESR of less than 1 ohm on the output pin. Additionally, the input capacitor should be at least 1uF with an ESR of less than 1 ohm.
• What is the minimum input voltage required for the TPS70458PWP to operate?
  The minimum input voltage required for the TPS70458PWP to operate is 2.7V, but it's recommended to keep it above 3V for optimal performance.
• Can I use the TPS70458PWP in a high-temperature environment?
  The TPS70458PWP is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage as the temperature increases to ensure reliability and prevent overheating.
• How do I calculate the output voltage of the TPS70458PWP?
  The output voltage of the TPS70458PWP can be calculated using the formula: Vout = (R1 / R2) * (Vin - Vref), where R1 and R2 are the resistors connected to the FB pin, Vin is the input voltage, and Vref is the internal reference voltage (1.25V).