LM3671MF-2.5/NOPB

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As an integrated pulse-width modulation (PWM) current-mode DC/DC voltage regulator, the LM3671MF-2.5/NOPB is well-suited for distributed power architectures and features an on-chip adjustable frequency and synchronizable oscillator. This device provides a complete step-down converter in a wide range of applications such as telecommunications, computing, and industrial systems. This device also features adjustable switching frequency, input/output current monitoring, and comprehensive fault detection.

The LM3671MF-2.5/NOPB PMIC - Voltage Regulators - DC DC Switching Regulators can be used to take an input voltage range of 4.7V to 30V and produce a variable output voltage from 0.6V to 4.5V. The device is built with a power MOSFET with low on-resistance and integrated bootstrap diode that can handle up to a 10A/40A continuous and peak load. A wide 6V to 40V input voltage range and adjustable switching frequency up to 2MHz can accommodate lower power designs with smaller parasitic components.

The LM3671MF-2.5/NOPB features a wide range of protection features including under-voltage, over-voltage, over-temperature protection, input/output current monitoring, and dynamic LED overvoltage protection.Integrated dynamic LED protection detects overvoltage conditions during LED fault states and reduces supply voltage to protect the circuit and LED strings. Other features include soft-start, and adjustable current limit, wide compensation range, and integrated small-capacitor blanking that help improve overall system performance.

The LM3671MF-2.5/NOPB application field is primarily in distributed power scenarios. This includes on-board, distributed power architectures, telecom power supplies, and other systems with large power requirements. With a wide range of protection and integrated adjustable frequency, the LM3671MF-2.5/NOPB can be used to provide stable and reliable operation. The device is ideal for applications where space is limited and high efficiency, adjustable frequency, and wide input voltage range are required.

The LM2671MF-2.5/NOPB works based on the current-mode PWM switching principle. It cycles between 100% and 0% duty cycle to control the output voltage. In steady state, the regulator regulates the output voltage by comparing the output current feedback signal with the internally generated triangular waveform. If the output current feedback signal exceeds a particular amplitude, the duty cycle is adjusted to reduce the output voltage, and vice versa. The switching frequency is set externally by the user and is adjustable from 200kHz to 2MHz.

The LM2671MF-2.5/NOPB is a highly integrated DC/DC voltage regulator that can be used in distributed power architectures in a wide range of applications. With a wide input voltage range and adjustable switching frequency, it provides protection and stabilization of the output voltage, as well as excellent efficiency and transient response characteristics. It is an ideal choice for those looking for a compact, high-performance solution.

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