ROHM recommends a thermal pad on the bottom of the package, connected to a large copper area on the PCB to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended, and the thermal pad should be connected to a ground plane or a dedicated heat sink.
To ensure reliable operation at high temperatures, it's essential to follow the recommended operating conditions, including the maximum junction temperature (Tj) of 150°C. Additionally, consider using a heat sink, and ensure good thermal conductivity between the device and the heat sink. ROHM also recommends using a thermally conductive interface material, such as thermal tape or thermal grease.
Although the datasheet doesn't explicitly state the maximum allowable voltage for the input pins, ROHM recommends limiting the input voltage to the supply voltage (VCC) + 0.3V to prevent damage to the internal ESD protection diodes.
The FMG3AT148 has internal ESD protection diodes, but it's still essential to follow proper ESD handling procedures during assembly and testing. Use an ESD wrist strap or mat, and ensure that the device is stored in an ESD-protected environment.
ROHM recommends a soldering temperature profile with a peak temperature of 260°C, and a total thermal exposure of less than 60 seconds. A soldering iron with a temperature range of 350°C to 380°C is recommended for hand soldering.
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