LM3671QMFX-1.2/NOPB

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The LM3671QMFX-1.2/NOPB is a DC to DC switching regulator from Texas Instruments’ line of integrates voltage converters and voltage regulators. It is a particularly high performance regulator, focused on providing a reliable output at the slightest margins of stability. It is most commonly used in battery-operated applications, such as mobile phones and notebook computers, where a high efficiency and low voltage drop is paramount.

Overview

The LM3671QMFX-1.2/NOPB regulator works by using a fixed frequency Pulse Width Modulation (PWM) topology to generate a regulated output voltage that is independent of the load current or battery voltage. The PWM topology ensures that the output voltage is stable and resists even the smallest variations in input or load current. This increased stability makes it an ideal regulator for battery-operated applications that require a reliable, steady output.

The LM3671QMFX-1.2/NOPB supports both synchronous and non synchronous rectification with its internally fixed PWM frequency of up to 600kHz. It also features low RDS(on) at 1.00Ω, which helps to reduce power losses, as well as a low current quiescent mode of 1.8 μA. It also has six separate protect features, such as over-current and over-temperature protection, which help to keep the regulator operating properly and safely.

Features & Benefits

The LM3671QMFX-1.2/NOPB offers an impressive range of features that make it especially well-suited for battery-operated applications. Some of its core benefits include:

• High Efficiency: The LM3671QMFX-1.2/NOPB offers an input voltage range of 2.7V to 5.5V and a maximum output voltage of 15V or slightly lower depending on the input voltage. This helps to reduce power losses while ensuring a stable output voltage.
• Low Quiescent Current: The regulator also has a very low quiescent current consumption of only 1.8 μA, which helps to maximize battery life in battery-powered applications.
• Protection Features: The LM3671QMFX-1.2/NOPB also has six built-in protection features, including over-current and over-temperature protection, which help to keep the regulator safe and running reliably.

Applications

The LM3671QMFX-1.2/NOPB’s high efficiency and low quiescent current makes it especially well-suited for battery-operated applications, such as mobile phones and notebook computers. It can also be used in other applications where a reliable, low voltage drop output is required, such as handheld gaming devices, medical instrumentation and portable electronics.

Conclusion

The LM3671QMFX-1.2/NOPB is a high performance DC to DC switching regulator designed to provide a reliable output at the slightest margins of stability. It offers high efficiency, low quiescent current, and several protection features, making it ideal for battery-operated applications, such as mobile phones and notebooks. Additionally, it can be used in other applications where a reliable, low voltage output is desired.

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