A good PCB layout for the NCV8184DR2G involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the input and output traces. Additionally, it's recommended to use a shielded inductor and to keep the switching node (SW) away from sensitive analog circuits.
To ensure the NCV8184DR2G operates within its SOA, monitor the input voltage, output current, and junction temperature. Make sure the input voltage is within the recommended range, the output current is within the maximum rating, and the junction temperature is below the maximum rating of 150°C.
A low-ESR ceramic capacitor with a value of 10uF to 22uF is recommended for the input capacitor. The capacitor should be placed close to the VIN pin and have a voltage rating of at least 25V.
To optimize the inductor selection, consider the inductor's saturation current, DC resistance, and core material. A shielded inductor with a saturation current of at least 2A and a DC resistance of less than 100mΩ is recommended. The inductor value should be between 1.5uH to 3.3uH.
The EN (enable) pin is used to enable or disable the regulator. When the EN pin is high, the regulator is enabled, and when it's low, the regulator is disabled. The EN pin can be connected to a logic signal or a voltage source, and it's recommended to use a pull-up resistor to ensure the regulator is enabled during normal operation.
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NCV8184DR2G Overview
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