LM5009MMX datasheet by Texas Instruments

LM5009MMX Frequently Asked Questions (FAQs)

• What is the maximum operating temperature range for the LM5009MMX?
  The maximum operating temperature range for the LM5009MMX is -40°C to 125°C. However, it's recommended to operate within -20°C to 85°C for optimal performance.
• How do I ensure the LM5009MMX is stable and doesn't oscillate?
  To ensure stability, follow the recommended layout and component selection guidelines in the datasheet. Additionally, make sure to decouple the input and output pins with suitable capacitors, and use a low-ESR output capacitor.
• What is the minimum input voltage required for the LM5009MMX to operate?
  The minimum input voltage required for the LM5009MMX to operate is 2.9V. However, the recommended input voltage range is 3.5V to 15V for optimal performance.
• Can I use the LM5009MMX in a high-reliability or automotive application?
  Yes, the LM5009MMX is qualified for automotive and high-reliability applications. It meets the AEC-Q100 standard and is designed to withstand harsh environmental conditions.
• How do I calculate the output voltage of the LM5009MMX?
  The output voltage of the LM5009MMX can be calculated using the formula: Vout = (R1 / R2) * (Vref - Vfb), where R1 and R2 are the feedback resistors, Vref is the internal reference voltage, and Vfb is the feedback voltage.