The maximum operating temperature range for the BU2520AF is -40°C to 125°C.
To ensure proper biasing, connect the VCC pin to a stable voltage source, and decouple it with a 10uF capacitor to ground. Also, ensure the input voltage is within the recommended range of 4.5V to 18V.
To minimize EMI, use a multi-layer PCB with a solid ground plane, and place the BU2520AF close to the power supply. Use short, direct traces for the input and output signals, and avoid running signals parallel to each other.
Yes, the BU2520AF can be used in switching regulator applications. However, ensure the input voltage is within the recommended range, and the output current does not exceed the maximum rating of 2A.
Use a voltage regulator or a zener diode to protect the BU2520AF from overvoltage conditions. For overcurrent protection, add a current-limiting resistor or a fuse in series with the output.