LT1963EFE#PBF

The LT1963EFE#PBF is a low-dropout (LDO) linear voltage regulator manufactured by Analog Devices Inc., which was previously known as Maxim Integrated. This component is designed to provide a stable output voltage with high precision and low noise, making it suitable for a variety of applications, including powering sensitive analog and digital circuits.

Key Features:

1. Output Voltage: The LT1963 is available in fixed output voltage options, typically around 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, and 5V, as well as an adjustable version that allows for a wider range of output voltages.

2. Low Dropout Voltage: The device features a low dropout voltage of approximately 300mV at full load, which allows it to maintain regulation even when the input voltage is only slightly above the output voltage. This is particularly beneficial in battery-powered applications where maximizing battery life is crucial.

3. High Output Current: The LT1963 can deliver up to 1.5A of output current, making it suitable for powering a variety of loads, from microcontrollers to more demanding analog circuits.

4. Low Noise and High PSRR: The regulator is designed to provide low output noise and high power supply rejection ratio (PSRR), which is essential for applications that require clean power, such as RF and precision analog circuits.

5. Thermal Protection: The device includes built-in thermal shutdown and current limiting features to protect against overheating and overcurrent conditions, ensuring reliable operation under various load conditions.

6. Package Options: The LT1963EFE#PBF is typically offered in a compact 5-lead TO-220 package, which facilitates efficient heat dissipation and allows for easy integration into various circuit designs.

7. Operating Temperature Range: The device operates over a wide temperature range, typically from -40°C to +125°C, making it suitable for both commercial and industrial applications.

8. Applications: Common applications for the LT1963 include powering RF circuits, precision analog devices, microcontrollers, and other sensitive electronic components that require a stable and low-noise power supply.

Electrical Characteristics:

• Input Voltage Range: The input voltage range is typically from 1.8V to 20V, allowing for flexibility in design.
• Quiescent Current: The quiescent current is low, typically around 50µA, which helps in extending battery life in portable applications.
• Load Regulation: The load regulation is excellent, ensuring that the output voltage remains stable under varying load conditions.

Conclusion:

The LT1963EFE#PBF from Analog Devices Inc. is a versatile and reliable LDO voltage regulator that excels in providing low-noise, stable output voltage with high precision. Its combination of low dropout voltage, high output current capability, and robust protection features make it an ideal choice for a wide range of electronic applications.