VMS-R050-1.0-U footprint, schematic symbol and 3D model by Isabellenhütte

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VMS-R050-1.0-U Details

Isabellenhuette provides a recommended PCB layout and land pattern in their application note AN-001, which can be found on their website. It's essential to follow these guidelines to ensure proper thermal management and minimize thermal resistance.
The thermal pad on the VMS-R050-1.0-U should be connected to a large copper area on the PCB to dissipate heat efficiently. A thermal via array or a solid copper fill can be used to connect the thermal pad to the copper area. Ensure that the thermal pad is not electrically connected to any signal or power traces.
The VMS-R050-1.0-U has an operating temperature range of -40°C to 125°C. However, the maximum junction temperature (Tj) should not exceed 150°C. It's essential to ensure that the device operates within the specified temperature range to maintain its performance and reliability.
The power dissipation of the VMS-R050-1.0-U can be calculated using the formula: Pd = (Vin - Vout) x Iout, where Vin is the input voltage, Vout is the output voltage, and Iout is the output current. The maximum power dissipation is specified in the datasheet as 1.5W.
Isabellenhuette recommends using a 10uF to 22uF ceramic capacitor with an X7R or X5R dielectric as the input capacitor. The capacitor should be placed as close as possible to the input pins of the VMS-R050-1.0-U to minimize noise and ensure stable operation.

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