The MAX6820UT-T is a high-frequency device, so it's essential to follow good layout practices to minimize noise and ensure proper operation. Place the device close to the power source, use short traces, and avoid vias under the device. Also, keep the input and output traces separate to prevent noise coupling.
The input capacitor should be a low-ESR, high-frequency capacitor with a value between 1uF to 10uF. The capacitor should be placed as close as possible to the VIN pin and should have a voltage rating that exceeds the maximum input voltage. X5R or X7R ceramic capacitors are good options.
The MAX6820UT-T can deliver up to 2A of output current, but this is dependent on the input voltage, output voltage, and ambient temperature. It's essential to check the device's thermal performance and power dissipation to ensure reliable operation.
The MAX6820UT-T has a built-in overvoltage protection (OVP) feature that can be enabled by connecting the OVP pin to a voltage divider network. The OVP threshold is 1.2V, and the device will shut down if the input voltage exceeds this threshold. You can also use an external OVP circuit if needed.
The EN (enable) pin is used to turn the device on or off. When the EN pin is pulled high, the device is enabled, and when it's pulled low, the device is disabled. This pin can be used to implement power sequencing or to turn off the device during shutdown or low-power modes.
MAX6820UT-T datasheet
by Maxim Integrated Products
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