LAP-401MD footprint, schematic symbol and 3D model by ROHM Semiconductor

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PCB Footprints

LAP-401MD Details

ROHM recommends a 4-layer PCB with a solid ground plane on the bottom layer, and a separate power plane for the input and output stages. This helps to reduce EMI and improve thermal performance.
ROHM recommends attaching a heat sink to the top of the package, and ensuring good airflow around the device. The thermal pad on the bottom of the package should be connected to a solid ground plane on the PCB.
While the datasheet specifies a maximum input voltage of 5.5V, ROHM recommends limiting the input voltage to 5V to ensure reliable operation and prevent damage to the device.
Yes, the LAP-401MD is rated for operation up to 125°C, but ROHM recommends derating the output current and voltage to ensure reliable operation at high temperatures.
ROHM recommends checking the input voltage, output voltage, and output current to ensure they are within the specified ranges. Also, check for proper thermal management and PCB layout.

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