The LM22671QMR-5.0/NOPB is a highly efficient, monolithic synchronous step-down voltage regulator from Texas Instruments. Designed to deliver up to 1A of continuous output current, this device operates over an input voltage range of 4.5V to 42V, making it ideal for a wide array of applications in various industries including automotive, telecommunications, and consumer electronics.

Key Features

• Output Voltage: This regulator provides a fixed output voltage of 5.0V, which is suitable for logic circuits, microcontrollers, and other digital systems that require a stable 5V supply.
• High Efficiency: With its synchronous rectification architecture, the LM22671QMR-5.0/NOPB achieves high efficiency, reducing heat dissipation and improving system reliability.
• Adjustable Switching Frequency: The switching frequency can be adjusted up to 1MHz, allowing flexibility in the choice of inductors and capacitors, which can result in a smaller and more cost-effective design.
• Thermal Shutdown and Overcurrent Protection: Built-in thermal shutdown and overcurrent protection features safeguard the device and the system from damage due to excessive heat and load conditions.
• Low Shutdown Current: The quiescent current in shutdown mode is typically 15µA, which is beneficial for battery-powered applications where power conservation is critical.

Applications

The LM22671QMR-5.0/NOPB is versatile and can be used in a variety of applications, such as:

• Point of Load (POL) power supplies
• Industrial control systems
• Automotive electronics
• Portable and battery-powered devices
• Power supplies for FPGAs, DSPs, and microprocessors

Quality and Reliability

As with all Texas Instruments products, the LM22671QMR-5.0/NOPB is manufactured to the highest quality standards. The device is available in a thermally enhanced 8-pin VSSOP package and is specified for the extended industrial temperature range of -40°C to 125°C. The "NOPB" designation indicates that this product is offered in a lead-free (RoHS compliant) package, reflecting TI's commitment to environmental sustainability.