The maximum input voltage that can be applied to the TPS2817DBVR is 5.5V, as specified in the datasheet. However, it's recommended to operate the device within the recommended operating conditions to ensure reliable operation.
To ensure proper power-up and initialization, follow the recommended power-up sequence: apply VCC, then EN, and finally IN. Also, ensure that the input voltage is within the recommended operating range, and that the device is properly decoupled with capacitors.
The EN pin is an active-high enable input that allows the device to be enabled or disabled. When EN is high, the device is enabled, and when EN is low, the device is disabled. Use the EN pin to control the device's power state, especially in low-power or battery-powered applications.
The output voltage of the TPS2817DBVR is determined by the resistor divider network connected to the FB (feedback) pin. Use the formula: VOUT = 1.22V x (R1 + R2) / R2, where R1 and R2 are the resistors in the divider network.
The maximum output current that the TPS2817DBVR can deliver is 1A. However, the actual output current may be limited by the input voltage, output voltage, and thermal considerations.