Texas Instruments

LP2950CZ-5.0/LFT8

LP2950CZ-5.0/LFT8 Description

The LP2950CZ-5.0/LFT8 is a fixed-output linear voltage regulator designed by Texas Instruments, offering a robust and reliable solution for applications requiring a stable 5V output. This regulator is part of the LP2950 family, known for its high performance and versatility. The LP2950CZ-5.0/LFT8 features a maximum input voltage of 30V and can deliver a continuous output current of up to 100mA. With a dropout voltage of only 0.6V at 100mA, it ensures efficient operation even under varying load conditions. The regulator is housed in a through-hole TO92-3 package, making it suitable for a wide range of applications, including those requiring manual soldering or breadboarding.

LP2950CZ-5.0/LFT8 Features

• Fixed Output Voltage: The LP2950CZ-5.0/LFT8 provides a stable 5V output, making it ideal for applications where a fixed voltage supply is required.
• 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 supply design.
• Low Dropout Voltage: The maximum dropout voltage of 0.6V at 100mA ensures high efficiency, especially in applications where the input voltage is close to the output voltage.
  -Over Current and Over Temperature Protection: These protection features enhance the reliability and robustness of the regulator, safeguarding it against overloads and thermal runaway.
• Low Quiescent Current: The regulator operates with a quiescent current of only 120 µA, making it suitable for low-power applications and minimizing power consumption.
• Through-Hole Mounting: The TO92-3 package is designed for through-hole mounting, which is ideal for prototyping and applications where surface-mount technology is not feasible.
• Compliance and Status: The LP2950CZ-5.0/LFT8 is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and regulatory standards. However, it is marked as obsolete by the manufacturer, so alternative models should be considered for new designs.

LP2950CZ-5.0/LFT8 Applications

The LP2950CZ-5.0/LFT8 is well-suited for a variety of applications that require a stable 5V supply. Some specific use cases include:

• Microcontroller Power Supplies: Providing a stable power source for microcontrollers and other low-power embedded systems.
• Battery-Powered Devices: Ideal for applications where a battery's voltage may vary significantly, thanks to its low dropout voltage.
• Laboratory and Test Equipment: Offering a reliable and stable power supply for sensitive laboratory equipment and test setups.
• Consumer Electronics: Suitable for powering small consumer electronics devices that require a stable 5V supply.

Conclusion of LP2950CZ-5.0/LFT8

The LP2950CZ-5.0/LFT8 is a versatile and reliable linear voltage regulator that offers a stable 5V output with a wide input voltage range and low dropout voltage. Its through-hole packaging and protection features make it suitable for a variety of applications, from microcontroller power supplies to battery-powered devices. While it is marked as obsolete by Texas Instruments, it remains a viable option for existing designs and applications where its unique features and performance benefits are required. For new designs, engineers may consider exploring alternative models that offer similar performance characteristics and are currently in production.