Texas Instruments

LM2940T-9.0/NOPB  

Linear & Switching Voltage Regulators

LM2940T-9.0/NOPB Description

The LM2940T-9.0/NOPB is a high-performance linear voltage regulator designed by Texas Instruments, offering a fixed output voltage of 9V and a maximum output current of 1A. This regulator is housed in a TO-220-3 package, making it suitable for through-hole mounting. It is part of the Power Management (PMIC) category and is ideal for applications requiring stable and reliable power supply solutions.

The LM2940T-9.0/NOPB is designed to operate with an input voltage range up to 26V, ensuring compatibility with a wide range of input sources. It features a low dropout voltage of 1V at 1A, which allows it to maintain regulation even when the input voltage is close to the output voltage. This characteristic is particularly beneficial in applications where the input voltage may vary significantly or where the input voltage is close to the desired output voltage.

LM2940T-9.0/NOPB Features

• Output Type: Fixed at 9V, providing a stable output voltage for various applications.
• Input Voltage Range: Capable of handling input voltages up to 26V, ensuring broad compatibility with different power sources.
• Output Current: Delivers up to 1A of output current, suitable for powering a wide range of electronic devices.
• Low Dropout Voltage: A maximum dropout voltage of 1V at 1A, enabling efficient regulation even with minimal voltage difference between input and output.
• Protection Features: Equipped with over-current, over-temperature, reverse polarity, and short-circuit protection, ensuring robustness and reliability in various operating conditions.
• Supply Current: A maximum supply current of 15 mA, minimizing power consumption and heat generation.
• Quiescent Current: 10 mA, contributing to high efficiency and low power dissipation.
• Power Supply Rejection Ratio (PSRR): 64dB at 120Hz, ensuring high performance in noisy environments.
• Compliance and Status: ROHS3 compliant, REACH unaffected, and active product status, ensuring compliance with environmental regulations and reliability.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited), making it suitable for a wide range of manufacturing processes without moisture-related concerns.

LM2940T-9.0/NOPB Applications

The LM2940T-9.0/NOPB is ideal for applications requiring a stable and reliable 9V power supply. Its low dropout voltage and robust protection features make it particularly suitable for:

• Consumer Electronics: Powering devices such as radios, amplifiers, and other audio equipment.
• Industrial Equipment: Providing stable power for control systems, sensors, and actuators.
• Telecommunications: Supplying power to communication devices and infrastructure.
• Automotive: Suitable for in-car electronics where the input voltage can vary significantly.
• Medical Devices: Ensuring reliable power supply for medical equipment that requires stable and precise voltage regulation.

Conclusion of LM2940T-9.0/NOPB

The LM2940T-9.0/NOPB from Texas Instruments is a versatile and reliable linear voltage regulator that offers a fixed 9V output with up to 1A of current. Its low dropout voltage, comprehensive protection features, and high PSRR make it an excellent choice for a wide range of applications. The TO-220-3 package and through-hole mounting type provide ease of integration into various designs. Whether used in consumer electronics, industrial systems, or automotive applications, the LM2940T-9.0/NOPB ensures stable power delivery and robust performance.

LM2940T-9.0/NOPB Documents

Download datasheets and manufacturer documentation for LM2940T-9.0/NOPB

Images :

Mechanical Outline Drawing      

PCN :

Process Change Notification (PDF)      

Models :

LM2940-N 12.0V TINA-TI Transient Model       LM2940-N 9.0V TINA-TI Transient Model       LM2940-N 8.0V TINA-TI Transient Model       LM2940-N 10.0V TINA-TI Transient Model      

Product Catalogs :

Low Dropout Regulators Quick Reference Guide (Rev. P)      

Technical Resources :

LM2940-N 5.0V TINA-TI Reference Design       LM2940-N 12.0V TINA-TI Reference Design       LM2940-N 10.0V TINA-TI Reference Design       LM2940-N 8.0V TINA-TI Reference Design       LM2940-N 9.0V TINA-TI Reference Design      

SPICE Models :

LM2940-N 5.0V PSPice Transient Model       LM2940-N 10.0V Unencrypted PSpice Transient Model       LM2940-N 12.0V Unencrypted PSpice Transient Model       LM2940-N 15.0V PSpice Transient Model       LM2940-N 9.0V Unencrypted PSpice Transient Model       LM2940-N 9.0V PSPice Transient Model       LM2940-N 10.0V PSPice Transient Model       LM2940-N 8.0V Unencrypted PSpice Transient Model       LM2940-N 5.0V Unencrypted PSpice Transient Model       LM2940-N 15.0V Unencrypted PSpice Transient Model       LM2940-N 8.0V PSPice Transient Model       LM2940 5.0V TINA-TI Transient Spice Model       LM2940-N 12.0V PSPice Transient Model