The recommended operating voltage range for the TPN3021 is 1.8V to 5.5V.
To ensure proper power-on, the EN pin should be driven high (VCC) and the RST pin should be driven low (GND) for at least 100ns.
The RST pin is an active-low reset input. It should be driven low (GND) to reset the device. After reset, the RST pin should be driven high (VCC) to allow normal operation.
The output voltage can be configured by connecting the FB pin to a resistive divider network, which sets the desired output voltage. The resistive divider values can be calculated using the formula provided in the datasheet.
The TPN3021 can deliver up to 2A of output current, depending on the input voltage and output voltage settings.