REF3225AIDBVT datasheet by Texas Instruments

REF3225AIDBVT Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for the REF3225AIDBVT to minimize noise and ensure optimal performance?
  A good PCB layout for the REF3225AIDBVT involves keeping the input and output traces short and separate, using a solid ground plane, and placing the device close to the power supply. Additionally, it's recommended to use a 4-layer PCB with a dedicated analog ground plane to minimize noise and crosstalk.
• How do I ensure the REF3225AIDBVT is properly bypassed for optimal performance?
  To ensure proper bypassing, place a 10uF ceramic capacitor between the VIN pin and the GND pin, and a 100nF ceramic capacitor between the VOUT pin and the GND pin. This will help filter out high-frequency noise and ensure stable output voltage.
• What is the maximum output current capability of the REF3225AIDBVT?
  The REF3225AIDBVT can deliver up to 50mA of output current, making it suitable for a wide range of applications. However, it's recommended to limit the output current to 30mA or less to ensure optimal performance and minimize power dissipation.
• How do I adjust the output voltage of the REF3225AIDBVT?
  The output voltage of the REF3225AIDBVT can be adjusted by connecting a resistive divider network between the VOUT pin and the ADJ pin. The output voltage can be calculated using the formula: VOUT = 2.5V x (1 + R1/R2), where R1 and R2 are the resistors in the divider network.
• What is the thermal shutdown temperature of the REF3225AIDBVT?
  The REF3225AIDBVT has a thermal shutdown temperature of 150°C. If the device temperature exceeds this threshold, it will shut down to prevent damage. The device will automatically restart when the temperature drops below 140°C.