LM5574MTX datasheet by Texas Instruments

LM5574MTX Frequently Asked Questions (FAQs)

• What is the maximum input voltage that can be applied to the LM5574MTX?
  The maximum input voltage that can be applied to the LM5574MTX is 42V, but it's recommended to keep it below 40V for reliable operation.
• How do I ensure the LM5574MTX operates within its thermal limits?
  To ensure the LM5574MTX operates within its thermal limits, make sure to provide adequate heat sinking, keep the ambient temperature below 85°C, and avoid high power dissipation.
• Can I use the LM5574MTX in a high-reliability or automotive application?
  Yes, the LM5574MTX is qualified for automotive and high-reliability applications, but you should consult the Texas Instruments Automotive or High-Reliability documentation for specific requirements and guidelines.
• How do I layout the PCB to minimize electromagnetic interference (EMI) with the LM5574MTX?
  To minimize EMI, follow good PCB layout practices, such as keeping the input and output traces separate, using a solid ground plane, and placing the LM5574MTX close to the input capacitors.
• What is the recommended input capacitor type and value for the LM5574MTX?
  The recommended input capacitor type is a low-ESR ceramic capacitor, such as X5R or X7R, with a value of 10uF to 22uF.