SRP7028C-220M - Bourns

SRP7028C-220M Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for optimal performance of the SRP7028C-220M?
  Bourns recommends a symmetrical PCB layout with a solid ground plane, and keeping the input and output traces as short as possible to minimize inductance and radiation. A 4-layer PCB with a dedicated power plane and a solid ground plane is also recommended.
• How do I ensure the reliability of the SRP7028C-220M in high-temperature applications?
  To ensure reliability in high-temperature applications, it's essential to follow proper derating guidelines, ensure good thermal management, and avoid exceeding the maximum operating temperature of 125°C. Additionally, consider using a thermally conductive interface material between the inductor and the PCB to improve heat dissipation.
• What is the maximum current rating of the SRP7028C-220M at high frequencies?
  The maximum current rating of the SRP7028C-220M at high frequencies depends on the operating frequency and the temperature. Bourns provides a current derating curve in the datasheet, which should be consulted to determine the maximum current rating at a specific frequency and temperature.
• Can I use the SRP7028C-220M in a switching regulator application?
  Yes, the SRP7028C-220M is suitable for use in switching regulator applications due to its low core loss and high saturation current. However, it's essential to ensure that the inductor is properly sized for the specific application, and that the switching frequency and duty cycle are within the recommended operating range.
• How do I measure the inductance of the SRP7028C-220M?
  The inductance of the SRP7028C-220M can be measured using an impedance analyzer or an LCR meter. It's essential to follow the measurement guidelines provided in the datasheet, and to ensure that the measurement frequency is within the recommended range of 100 kHz to 500 kHz.