Diodes Incorporated recommends a PCB layout with a solid ground plane, short and wide traces for the input and output, and a decoupling capacitor (e.g., 10uF) between the input and ground to minimize noise and ensure stability.
The FR802 requires a bias voltage of 2.5V to 5.5V. Ensure the bias voltage is stable and within the recommended range. A voltage regulator or a resistive divider network can be used to generate the bias voltage.
The maximum allowable power dissipation for the FR802 is 1.5W. Ensure the device is operated within the recommended temperature range (–40°C to +125°C) and that the PCB design provides adequate thermal dissipation.
Yes, the FR802 can be used in switching regulator applications. However, ensure the device is operated within the recommended frequency range (up to 1MHz) and that the PCB design minimizes electromagnetic interference (EMI).
Use voltage and current limiting circuits to protect the FR802 from overvoltage and overcurrent conditions. A zener diode or a voltage clamp can be used to limit the input voltage, and a current limiting resistor or a fuse can be used to limit the output current.
FR802 datasheet
by Diodes Incorporated
