Texas Instruments

LP2950CZ-3.0/LFT3

LP2950CZ-3.0/LFT3 Description

The LP2950CZ-3.0/LFT3 is a linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 3V and capable of delivering up to 100mA of current. This regulator is housed in a TO-92-3 package, making it suitable for through-hole mounting. Despite its small form factor, the LP2950CZ-3.0/LFT3 is engineered to provide reliable and stable power regulation with a maximum input voltage of 30V. It features a low dropout voltage of 0.6V at 100mA, ensuring efficient operation even when the input voltage is close to the output voltage. The regulator also includes over-current and over-temperature protection features, enhancing its robustness and reliability in various applications.

LP2950CZ-3.0/LFT3 Features

• Fixed Output Voltage: The LP2950CZ-3.0/LFT3 provides a stable 3V output, making it ideal for applications requiring a consistent power supply.
• High Input Voltage Range: With a maximum input voltage of 30V, this regulator can handle a wide range of input voltages, providing flexibility in power source selection.
• Low Dropout Voltage: At 0.6V dropout at 100mA, the LP2950CZ-3.0/LFT3 ensures efficient power conversion, even in low-margin applications.
• Protection Features: Integrated over-current and over-temperature protection safeguards the regulator and connected circuits from damage.
• Low Quiescent Current: The regulator consumes only 120 µA in quiescent mode, minimizing power loss and enhancing efficiency.
• Compliance: The LP2950CZ-3.0/LFT3 is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the regulator is suitable for a variety of manufacturing environments.

LP2950CZ-3.0/LFT3 Applications

The LP2950CZ-3.0/LFT3 is well-suited for a variety of applications where a stable 3V power supply is required. Its low dropout voltage and high input voltage range make it particularly useful in battery-powered devices, where the input voltage can vary significantly as the battery discharges. Additionally, its compact TO-92-3 package and through-hole mounting type make it easy to integrate into printed circuit boards. Some specific use cases include:

• Battery-Powered Devices: Ideal for portable electronics, such as handheld devices, where the input voltage from a battery can fluctuate.
• Embedded Systems: Suitable for low-power embedded systems that require a stable 3V supply.
• Industrial Applications: Can be used in industrial control systems where reliability and robustness are critical.
• Consumer Electronics: Applicable in consumer devices that need a stable power supply, such as digital cameras and portable audio devices.

Conclusion of LP2950CZ-3.0/LFT3

The LP2950CZ-3.0/LFT3 from Texas Instruments is a versatile and reliable linear voltage regulator, offering a fixed 3V output with a maximum input voltage of 30V. Its low dropout voltage and protection features make it an excellent choice for applications requiring efficient and stable power regulation. Despite being marked as obsolete, the LP2950CZ-3.0/LFT3 remains a valuable component for designers looking for a compact, efficient, and reliable power solution.