Texas Instruments

LM2940S-10/NOPB  

Linear & Switching Voltage Regulators

LM2940S-10/NOPB Description

The LM2940S-10/NOPB is a fixed output linear regulator designed for demanding applications requiring a reliable and efficient power management solution. Manufactured by Texas Instruments, this regulator offers a robust set of features and performance benefits that make it ideal for a wide range of electronic systems. With a maximum input voltage of 26V and a fixed output voltage of 10V, the LM2940S-10/NOPB is capable of delivering up to 1A of output current, ensuring stable power delivery to connected devices. The regulator is housed in a surface-mount package, specifically the DDPAK/TO263-3, which is known for its thermal efficiency and compact design.

LM2940S-10/NOPB Features

The LM2940S-10/NOPB boasts several key features that set it apart from other linear regulators in its class:

• Fixed Output Voltage: The regulator maintains a consistent 10V output, ensuring stable power supply to connected circuits.
• High Input Voltage Range: With a maximum input voltage of 26V, the LM2940S-10/NOPB can handle a wide range of input voltages, making it versatile for various applications.
• Low Dropout Voltage: At a maximum dropout voltage of 1V under a 1A load, the regulator maintains high efficiency even under heavy load conditions.
• Low Quiescent Current: The regulator operates with a quiescent current of only 10 mA, minimizing power consumption during standby or low-load conditions.
• High PSRR: The Power Supply Rejection Ratio (PSRR) of 63dB at 120Hz ensures that the regulator can effectively filter out noise and ripple from the input supply.
• Protection Features: The LM2940S-10/NOPB includes over-current, over-temperature, reverse polarity, and short-circuit protection, safeguarding both the regulator and connected devices from potential damage.
• Compliance and Reliability: The regulator is REACH unaffected and ROHS3 compliant, ensuring it meets stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 3, allowing for reliable performance in various environmental conditions.

LM2940S-10/NOPB Applications

The LM2940S-10/NOPB is well-suited for a variety of applications where a stable and efficient power supply is crucial:

• Embedded Systems: Provides a reliable power source for microcontrollers, sensors, and other embedded components.
• Industrial Controls: Ideal for powering control systems and actuators in industrial environments.
• Telecommunications: Ensures stable power delivery to communication devices and infrastructure.
• Consumer Electronics: Suitable for powering devices such as routers, modems, and other consumer electronics requiring a stable 10V supply.
• Automotive Applications: Can be used in automotive systems where a robust and reliable power supply is necessary.

Conclusion of LM2940S-10/NOPB

The LM2940S-10/NOPB is a high-performance linear regulator that offers a combination of reliability, efficiency, and versatility. Its fixed 10V output, wide input voltage range, and low dropout voltage make it an excellent choice for applications requiring stable power delivery. The inclusion of comprehensive protection features and compliance with environmental standards further enhances its suitability for a wide range of industries. Whether used in embedded systems, industrial controls, or consumer electronics, the LM2940S-10/NOPB provides a dependable power management solution that ensures the smooth operation of connected devices.

LM2940S-10/NOPB Documents

Download datasheets and manufacturer documentation for LM2940S-10/NOPB

PCN Assembly/Origin :

Mult Devices 12/Apr/2018      

Datasheets :

LM2940-N, 2940C Datasheet      

HTML Datasheet :

LM2940-N, 2940C Datasheet