TPS78618DCQR datasheet by Texas Instruments

TPS78618DCQR Frequently Asked Questions (FAQs)

• What is the maximum input voltage that the TPS78618DCQR can handle?
  The maximum input voltage 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 stability, use a minimum output capacitance of 10uF, and keep the ESR (Equivalent Series Resistance) below 1 ohm. Also, place the capacitor close to the output pin.
• What is the minimum input capacitance required for the TPS78618DCQR?
  The minimum input capacitance is 1uF, but it's recommended to use a 4.7uF or 10uF capacitor to ensure stability and reduce noise.
• Can I use the TPS78618DCQR in a high-temperature environment?
  The TPS78618DCQR is rated for operation up to 125°C, but the junction temperature should be kept below 150°C to ensure reliability and prevent thermal shutdown.
• How do I calculate the power dissipation of the TPS78618DCQR?
  Power dissipation (PD) can be calculated using the formula: PD = (VIN - VOUT) x IOUT. Make sure to keep the PD below the maximum rating of 1.4W to prevent overheating.