LM2672M-5.0/NOPB

Voltage - Output (Min/Fixed):	5V
Base Part Number:	LM2672
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	No
Frequency - Switching:	260kHz
Current - Output:	1A
Voltage - Output (Max):	--
Series:	SIMPLE SWITCHER®
Voltage - Input (Max):	40V
Voltage - Input (Min):	6.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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LM2672M-5.0/NOPB Application Field and Working Principle

The LM2672M-5.0/NOPB is a monolithic synchronous step-down voltage regulator. It is a member of Texas Instruments\' PMIC (Power Management IC) Voltage Regulators series, and specifically, the DC DC Switching Regulators segment. This article will explain the working principle and the application field of the LM2672M-5.0/NOPB.

Overview

The LM2672M-5.0/NOPB is a high-efficiency and low-noise synchronous buck regulator capable of providing up to 5A of output current from an input voltage range of up to 32V. It is designed with a cost-efficient and compact size, allowing for a combined solution for systems with limited space. The regulator\'s feedback loop can be configured for either voltage, current, or power-limited mode, providing great flexibility and allowing for improved system-level control. The LM2672M-5.0/NOPB features input undervoltage lockout and overvoltage protection with adjustable thresholds, as well as optional output overcurrent protection. It also has two integrated current-mode controlled power stages, allowing for a wide range of current-mode controls to achive desired load and line regulation over time.

Application Field

The LM2672M-5.0/NOPB is typically used in applications requiring high efficiency and lower noise, such as automotive systems, industrial equipment, consumer electronics and medical devices. Its wide voltage range and wide load range of up to 5A make it a good choice for design engineers wanting to use it as a primary or secondary power source. Other applications it can be used for include computers, servers and storage devices, motor control, power suppliers and printers. Additionally, the LM2672M-5.0/NOPB is ideal for designs utilizing mid-voltage power rails and tightly regulated outputs from an input voltage source.

Working Principle

The working principle of the LM2672M-5.0/NOPB involves two current-mode controlled power stages. The first power stage is an N-channel buck switch, which steps-down an input voltage source to the desired regulated output voltage. The second power stage is an N-channel synchronous buck switch, which is used to reduce the power stage losses even further.The ,LM2672M-5.0/NOPB incorporates a wide input voltage range and a wide load range to help ensure a reliable and stable output. Additionally, internal current protection and synchronous rectification allow for improved efficiency while operating at a lower voltage.Finally, the LM2672M-5.0/NOPB\'s output voltage accuracy is adjustable, making it suitable for applications that require precise power output. Additionally, it features protection features such as overcurrent, overtemperature and undervoltage protection, ensuring a safe and reliable operation.

Conclusion

The LM2672M-5.0/NOPB is a high-efficiency and low-noise synchronous buck regulator, capable of providing up to 5A of load current from an input voltage range of up to 32V. It is ideal for designs requiring a reliable and stable output, along with a wide load range of up to 5A. Additionally, it incorporates a wide range of protection features, such as overvoltage and undervoltage protection, as well as optional output overcurrent protection. The LM2672M-5.0/NOPB can be used for a wide range of applications, such as automotive systems, industrial equipment, consumer electronics, medical devices, computers, servers and storage devices, motor control, power suppliers and printers. Overall, the LM2672M-5.0/NOPB is an excellent choice for engineers looking for a cost-efficient, compact and reliable solution for their electronic designs.

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