Texas Instruments

LM2940IMP-9.0  

Linear & Switching Voltage Regulators

LM2940IMP-9.0 Description

The LM2940IMP-9.0 is a fixed positive linear voltage regulator designed by Texas Instruments. This regulator is part of the Linear & Switching Voltage Regulators category and is housed in a Surface Mount SOT223-4 package. It is specifically designed to provide a stable 9V output voltage with a maximum output current of 1A. The LM2940IMP-9.0 is capable of operating with an input voltage range up to 26V, making it suitable for a variety of applications where a stable power supply is required.

LM2940IMP-9.0 Features

• Output Type: Fixed positive output voltage of 9V.
• Input Voltage Range: Capable of handling input voltages up to 26V.
• Output Current: Delivers a maximum output current of 1A.
• Low Dropout Voltage: Features a maximum dropout voltage of 1V at 1A, ensuring efficient operation even at low input-to-output voltage differentials.
• Protection Features: Includes over current, over temperature, reverse polarity, and short circuit protection, enhancing reliability and safety.
• Low Quiescent Current: Operates with a quiescent current of 10 mA, minimizing power consumption during standby.
• High Power Supply Rejection Ratio (PSRR): Achieves a PSRR of 64dB at 120Hz, providing excellent noise rejection and stable output voltage.
• Mounting Type: Surface Mount, suitable for compact and high-density PCB designs.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited), indicating it is not moisture-sensitive and can be stored and handled without special precautions.
• Package: Tape & Reel (TR), facilitating automated assembly processes.

LM2940IMP-9.0 Applications

The LM2940IMP-9.0 is ideal for applications requiring a stable and reliable power supply. Its fixed 9V output and 1A current capability make it suitable for a range of electronic devices, including:

• Consumer Electronics: Powering small appliances and devices that require a stable 9V supply.
• Industrial Equipment: Providing regulated power for sensors, actuators, and control systems.
• Telecommunications: Supplying power to low-power communication modules and peripherals.
• Automotive Electronics: Suitable for automotive applications where a stable power supply is critical for reliable operation.
• Battery Backup Systems: Ensuring stable power delivery in backup systems where battery voltage may vary.

Conclusion of LM2940IMP-9.0

The LM2940IMP-9.0 is a robust and versatile linear voltage regulator that offers a stable 9V output with a maximum current of 1A. Its low dropout voltage, high PSRR, and comprehensive protection features make it a reliable choice for a wide range of applications. Despite being marked as obsolete, the LM2940IMP-9.0 remains a valuable component for designers seeking a dependable power solution. Its compatibility with surface mount technology and moisture sensitivity level of 1 (Unlimited) further enhance its suitability for modern electronics manufacturing processes.

LM2940IMP-9.0 Documents

Download datasheets and manufacturer documentation for LM2940IMP-9.0

Datasheets :

LM2940(-N, C)      

HTML Datasheet :

LM2940(-N, C)