LM2671LD-ADJ/NOPB

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The LM2671LD-ADJ/NOPB is a monolithic step-down DC-DC switching regulator that can accept an input voltage up to 56 volts and regulate it accurately and reliably. It is suitable for a variety of applications, particularly those that require a wide input voltage or high operating efficiency. The device offers an adjustable output voltage range of 1.23V to 28V, making it suitable for a wide range of output applications, including microprocessor core and other voltage regulation. It is an excellent choice for applications requiring high efficiency, low noise, and high reliability.

Application Field

The LM2671LD-ADJ/NOPB can be used for a variety of applications. These include:

• Automotive supplies
• Cellular phone and portable systems
• Test and measurement systems
• Consumer electronics
• Industrial control systems

The device is particularly suitable for applications requiring wide voltage range, high efficiency, and high reliability, such as automotive supplies, cellular phone and portable systems, and industrial control systems.

Working Principle

The LM2671LD-ADJ/NOPB works by converting an input voltage range of up to 56V into an adjustable output voltage range of 1.23V to 28V. The device uses a switching topology to achieve very high efficiency and low output voltage noise, up to 90% and < 25mV, respectively. The LM2671LD-ADJ/NOPB also features a maximum duty cycle that is adjustable up to 98%, ensuring the device can respond to wide input voltage ranges.

The device employs an integrated 3-phase fixed frequency, current mode feed-forward control system to maintain output voltage regulation. This control system includes an active current-limit system and a clock synchronization system, which can be enabled or disabled as required. The device also features a thermal shutdown protection algorithm to protect the device from overheating.

Conclusion

The LM2671LD-ADJ/NOPB is a versatile and reliable DC-DC switching regulator that can accept an input voltage up to 56 volts and regulate it accurately and reliably. It has a wide range of applications, including automotive supplies, cellular phone and portable systems, and test and measurement systems, among others. The device has a wide adjustable output voltage range of 1.23V to 28V and features high efficiency, low noise, and high reliability. It is particularly suitable for applications requiring wide voltage range, high efficiency, and high reliability.

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