ROHM recommends a 4-layer PCB with a solid ground plane, and to keep the input and output traces as short as possible. Additionally, it's essential to follow the recommended footprint and land pattern in the datasheet to ensure proper thermal management and minimize parasitic inductance.
To ensure proper thermal management, ROHM recommends attaching a heat sink to the top of the device, and using thermal interface material (TIM) to fill any gaps. The heat sink should be designed to dissipate heat efficiently, and the PCB should have a solid ground plane to help with heat dissipation.
The RFUS20TF6S has an operating temperature range of -40°C to +150°C, but ROHM recommends derating the device's power dissipation above 125°C to ensure reliable operation.
ROHM recommends using external protection circuits, such as TVS diodes and current limiting resistors, to protect the RFUS20TF6S from overvoltage and overcurrent conditions. Additionally, the device has built-in overcurrent protection, but it's essential to follow the recommended protection circuitry to ensure reliable operation.
ROHM recommends using input and output capacitors with a value of 10uF to 22uF, and a voltage rating of 50V or higher. The capacitors should be placed as close to the device as possible to minimize parasitic inductance.
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RFUS20TF6S Overview
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