LM2574HVM-15 datasheet by Texas Instruments

LM2574HVM-15 Frequently Asked Questions (FAQs)

• What is the maximum input voltage that can be applied to the LM2574HVM-15?
  The maximum input voltage that can be applied to the LM2574HVM-15 is 60V, but it's recommended to keep it below 50V for reliable operation.
• Can I use the LM2574HVM-15 in a high-temperature environment?
  Yes, the LM2574HVM-15 is rated for operation up to 150°C, but the maximum junction temperature should not exceed 125°C for reliable operation.
• How do I ensure the stability of the output voltage?
  To ensure the stability of the output voltage, make sure to use a suitable output capacitor with a low ESR (Equivalent Series Resistance) and a minimum capacitance of 22uF. Also, ensure that the input capacitor is properly sized and placed close to the IC.
• What is the minimum input voltage required for the LM2574HVM-15 to operate?
  The minimum input voltage required for the LM2574HVM-15 to operate is around 7V, but it's recommended to keep it above 8V for reliable operation.
• Can I use the LM2574HVM-15 in a switching mode power supply?
  Yes, the LM2574HVM-15 is a switching regulator and is designed for use in switching mode power supplies. It can operate at a switching frequency of up to 52kHz.