LP5912-3.0DRVR

The LP5912-3.0DRVR is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage of 3.0 volts with a maximum output current of 300 mA. This device is particularly useful in battery-powered applications due to its low quiescent current, which helps extend battery life.

Key Features:

1. Output Voltage: The LP5912-3.0DRVR provides a fixed output voltage of 3.0V, making it suitable for powering various low-voltage digital circuits and devices.

2. Dropout Voltage: The LDO has a low dropout voltage, typically around 200 mV at 300 mA load current. This characteristic allows it to maintain regulation even when the input voltage is close to the output voltage, which is crucial for battery-operated devices.

3. Quiescent Current: The device features a low quiescent current, typically around 30 µA, which is beneficial for applications where power efficiency is critical.

4. Thermal Protection: The LP5912-3.0DRVR includes built-in thermal shutdown protection, which prevents the device from overheating and ensures reliable operation under varying load conditions.

5. Output Capacitor: It is stable with a wide range of output capacitors, including ceramic capacitors, which can help reduce the size and cost of the overall design.

6. Package Type: The device is available in a small, space-saving package, such as the SOT-23, which is ideal for compact electronic designs.

7. Applications: Common applications for the LP5912-3.0DRVR include portable electronics, wireless communication devices, and other battery-operated systems where efficient power management is essential.

Electrical Characteristics:

• Input Voltage Range: The device can operate with an input voltage range typically from 2.3V to 5.5V.
• Load Regulation: It offers excellent load regulation, ensuring that the output voltage remains stable despite variations in load current.
• Line Regulation: The line regulation is also commendable, maintaining output voltage stability with changes in input voltage.

Conclusion:

The LP5912-3.0DRVR from Texas Instruments is a versatile and efficient LDO voltage regulator that is well-suited for a variety of low-power applications. Its combination of low dropout voltage, low quiescent current, and thermal protection makes it an excellent choice for designers looking to optimize power consumption in their electronic devices.