RPI-1031 footprint, schematic symbol and 3D model by ROHM Semiconductor

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RPI-1031 Details

A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output traces as short as possible and avoid routing them near noise sources.
Use a low-ESR capacitor (e.g., 10uF) between VIN and GND, and a 1uF capacitor between VOUT and GND. Ensure the input voltage is within the recommended range (2.5V to 5.5V) and the output voltage is set correctly.
The maximum output current of RPI-1031 is 1A. However, it's recommended to limit the output current to 0.8A for optimal performance and to prevent overheating.
The output voltage can be adjusted by connecting a resistor divider network between the VOUT pin and the GND pin. The output voltage is calculated using the formula: VOUT = 1.2V x (R1 + R2) / R2.
The thermal derating of RPI-1031 is 6.25mW/°C. This means that for every 1°C increase in temperature above 25°C, the maximum power dissipation decreases by 6.25mW.

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