A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the input and output capacitors close to the IC, and use a wide trace for the input voltage.
Use a high-quality output capacitor with low ESR, and ensure the output voltage is measured at the output pin of the IC, not at the output capacitor. Also, minimize the distance between the output capacitor and the IC.
The maximum input voltage is 6.5V, exceeding which may cause damage to the IC. It's recommended to use a voltage regulator or a transient voltage suppressor to protect the IC from voltage spikes.
The output current capability is dependent on the input voltage, output voltage, and ambient temperature. Refer to the datasheet's thermal derating curve to determine the maximum output current for your specific application.
The EN pin is used to enable or disable the IC. Connect the EN pin to a logic high (VCC) to enable the IC, and connect it to a logic low (GND) to disable the IC. Use a pull-up or pull-down resistor as needed to ensure proper operation.
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CZRU52C3V3-HF Overview
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