UCC2897ARGPT datasheet by Texas Instruments

UCC2897ARGPT Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for the UCC2897ARGPT to minimize EMI?
  A good PCB layout for the UCC2897ARGPT involves keeping the input and output stages separate, using a star-ground configuration, and placing the IC close to the input capacitors. Additionally, using a solid ground plane and minimizing trace lengths can help reduce EMI.
• How do I choose the right input and output capacitors for the UCC2897ARGPT?
  Choose input capacitors with low ESR and high ripple current ratings. For output capacitors, select ones with low ESR and high capacitance. The datasheet recommends a minimum capacitance of 10uF for the input capacitor and 22uF for the output capacitor.
• What is the maximum ambient temperature range for the UCC2897ARGPT?
  The UCC2897ARGPT has an operating ambient temperature range of -40°C to 85°C. However, the device can be derated for temperatures above 70°C to ensure reliable operation.
• How do I adjust the output voltage of the UCC2897ARGPT?
  The output voltage of the UCC2897ARGPT can be adjusted by changing the resistor divider network connected to the FB pin. The datasheet provides a formula to calculate the required resistor values for a desired output voltage.
• What is the maximum input voltage for the UCC2897ARGPT?
  The maximum input voltage for the UCC2897ARGPT is 28V. Exceeding this voltage can damage the device.