FCX1051ATA datasheet by Diodes Incorporated

FCX1051ATA Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for optimal performance of the FCX1051ATA?
  A good PCB layout for the FCX1051ATA involves keeping the input and output traces separate, using a solid ground plane, and minimizing the length of the input and output traces. Additionally, it's recommended to use a 10uF capacitor between the VIN and GND pins to filter out noise.
• How do I ensure the FCX1051ATA is stable and doesn't oscillate?
  To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, ensure that the input and output capacitors are of high quality and have low ESR. It's also important to decouple the VIN pin with a 10uF capacitor to prevent oscillation.
• What is the maximum input voltage that the FCX1051ATA can handle?
  The FCX1051ATA can handle input voltages up to 18V, but it's recommended to operate within the specified range of 4.5V to 15V for optimal performance and reliability.
• Can I use the FCX1051ATA in a high-temperature environment?
  The FCX1051ATA is rated for operation up to 125°C, but it's recommended to derate the output current and input voltage at higher temperatures to ensure reliability. Consult the datasheet for specific derating guidelines.
• How do I calculate the output voltage of the FCX1051ATA?
  The output voltage of the FCX1051ATA can be calculated using the formula: VOUT = (R1 / R2) x (VIN - VREF), where R1 and R2 are the feedback resistors, VIN is the input voltage, and VREF is the internal reference voltage (1.25V).