TXB0101DBVTG4

The TXB0101DBVTG4 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It is designed to provide a stable output voltage with minimal input-output voltage differential, making it suitable for battery-powered applications where efficiency is crucial.

Key Features:

1. Output Voltage: The TXB0101DBVTG4 typically provides a fixed output voltage of 1.8V, which is ideal for powering low-voltage digital circuits.

2. Input Voltage Range: It operates with a wide input voltage range, typically from 2.3V to 5.5V, allowing it to be used in various applications, including those powered by lithium-ion batteries.

3. Low Dropout Voltage: The device features a low dropout voltage, usually around 200mV at full load, which means it can maintain regulation even when the input voltage is close to the output voltage.

4. Output Current: The TXB0101DBVTG4 can deliver a maximum output current of up to 200mA, making it suitable for powering small microcontrollers, sensors, and other low-power devices.

5. Thermal Protection: It includes built-in thermal shutdown protection, which prevents the device from overheating and ensures reliable operation under varying load conditions.

6. Package Type: The device is available in a compact DBV package, which is a 5-pin SOT-23 package. This small form factor is advantageous for space-constrained applications.

7. Quiescent Current: The regulator has a low quiescent current, typically around 30µA, which helps extend battery life in portable applications.

8. Power Supply Rejection Ratio (PSRR): The TXB0101DBVTG4 exhibits good PSRR, ensuring that variations in the input voltage do not significantly affect the output voltage, which is critical for sensitive analog circuits.

Applications:

• Portable Devices: Ideal for use in handheld devices, wearables, and other battery-operated electronics.
• Microcontroller Power Supply: Suitable for powering microcontrollers and digital logic circuits that require a stable voltage.
• Sensor Powering: Can be used to power various sensors in IoT applications, ensuring reliable operation.

Conclusion:

The TXB0101DBVTG4 from Texas Instruments is a versatile and efficient voltage regulator that meets the needs of modern electronic designs. Its combination of low dropout voltage, compact size, and thermal protection makes it an excellent choice for a wide range of applications, particularly in battery-powered devices where space and efficiency are paramount.