The maximum junction temperature (Tj) for the AUIRF3805STRL is 175°C. However, it's recommended to keep the junction temperature below 150°C for reliable operation and to ensure a long lifespan.
To ensure proper cooling, a heat sink with a thermal resistance of less than 1°C/W is recommended. The heat sink should be attached to the device using a thermal interface material (TIM) with a thermal resistance of less than 0.2°C-in²/W. Additionally, ensure good airflow around the heat sink to dissipate heat efficiently.
The recommended gate drive voltage for the AUIRF3805STRL is between 10V and 15V. However, the device can tolerate gate drive voltages up to 20V. It's essential to ensure the gate drive voltage is within the recommended range to prevent damage to the device.
Yes, the AUIRF3805STRL can be used in a parallel configuration to increase the current handling capability. However, it's crucial to ensure that the devices are properly matched and that the gate drive signals are synchronized to prevent uneven current sharing and potential damage to the devices.
A good PCB layout for the AUIRF3805STRL should minimize the parasitic inductance and resistance of the power loop. This can be achieved by placing the device close to the power source, using wide copper traces, and minimizing the number of vias. Additionally, ensure that the gate drive signal traces are short and well-decoupled from the power traces.
AUIRF3805STRL datasheet
by International Rectifier
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