MAX4721EBL+T datasheet by Maxim Integrated Products

MAX4721EBL+T Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for the MAX4721EBL+T to ensure optimal performance?
  A good PCB layout for the MAX4721EBL+T involves keeping the input and output traces short and wide, 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 power plane and a dedicated ground plane.
• How do I ensure the MAX4721EBL+T is properly powered and decoupled?
  To ensure proper powering and decoupling, connect the MAX4721EBL+T to a clean, low-noise power supply, and use a 10uF ceramic capacitor in parallel with a 1uF ceramic capacitor between the VIN pin and GND pin. Additionally, add a 100nF ceramic capacitor between the VOUT pin and GND pin.
• What is the maximum output current capability of the MAX4721EBL+T?
  The MAX4721EBL+T can deliver up to 1A of output current, but it's recommended to limit the output current to 500mA for optimal performance and to prevent overheating.
• How do I adjust the output voltage of the MAX4721EBL+T?
  The output voltage of the MAX4721EBL+T can be adjusted by using an external resistor divider network between the VOUT pin and the ADJ pin. The output voltage can be calculated using the formula: VOUT = 1.25 x (1 + R1/R2), where R1 and R2 are the resistors in the divider network.
• What is the thermal shutdown temperature of the MAX4721EBL+T?
  The MAX4721EBL+T has a thermal shutdown temperature of 150°C, which means that the device will shut down if the junction temperature exceeds this value.