TS2431ILT datasheet by STMicroelectronics

TS2431ILT Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for the TS2431ILT to minimize EMI?
  A good PCB layout for the TS2431ILT involves keeping the input and output traces separate, using a ground plane, and placing the device close to the power supply. Additionally, using a shielded inductor and keeping the switching node (SW) away from sensitive analog circuits can help reduce EMI.
• How do I ensure the TS2431ILT is stable and doesn't oscillate?
  To ensure stability, make sure the output capacitor is properly sized, the input voltage is within the recommended range, and the feedback resistors are correctly chosen. Additionally, a compensation capacitor (CC) can be added to the feedback pin to improve stability.
• What is the maximum input voltage that the TS2431ILT can handle?
  The TS2431ILT can handle input voltages up to 18V, but it's recommended to keep the input voltage below 15V to ensure reliable operation and minimize power dissipation.
• Can I use the TS2431ILT in a high-temperature environment?
  The TS2431ILT is rated for operation up to 150°C, but it's recommended to derate the device's performance at high temperatures. Consult the datasheet for thermal derating curves and ensure proper heat sinking and thermal management.
• How do I choose the right inductor for the TS2431ILT?
  Choose an inductor with a high saturation current rating, low DC resistance, and a suitable inductance value (typically between 1-10 μH). The inductor should also be able to handle the peak current and have a low core loss at the switching frequency.