LM3671LCX-1.2/NOPB

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The LM3671LCX-1.2/NOPB is a voltage regulator integrated circuit (IC) consisting of a high-frequency switching regulator, a control logic, and a power switch. It is designed to provide a constant output voltage and a high-quality power supply for telecom and datacom systems. It is a versatile, cost-effective solution for applications such as distributed power systems, portable and battery-powered equipment, and non-isolated systems.

The LM3671LCX-1.2/NOPB can be used for both step-up (BOOST) and step-down (BUCK) configurations. It operates in either continuous conduction mode (CCM) or discontinuous conduction mode (DCM). It can also work in either frequency-foldback or pulse-skipping mode.

The LM3671LCX-1.2/NOPB has two operating modes, automatic and manual. In automatic mode, the output voltage is adjustable with an external resistor. In manual mode, the output voltage is fixed at a pre-set level. The device can switch over to manual mode, if required.

The LM3671LCX-1.2/NOPB operates in the range of 4.5 V to 24 V input voltage, delivering an output voltage of 0.9 V to 12 V with an efficiency of up to 94%. The output current can reach 4A. The switching frequency can be programmed electronically from 800kHz to 1.2MHz.

The LM3671LCX-1.2/NOPB has a number of features that ensure low noise and high power efficiency. It has an integrated regulator loop with a very low ESR value, which ensures stable and accurate output voltage. The device also has an internal frequency spreading feature that reduces EMI. It has advanced current-mode control and PWM control modes and includes cycle-by-cycle fault protection.

The LM3671LCX-1.2/NOPB is an ideal solution for DC/DC applications, where space and power efficiency are important. It is easy to use and highly reliable. The IC is available in a compact DFN8 package and can be used in a wide range of applications. It is suitable for use in telecom and datacom systems, distributed power systems, portable equipment, and non-isolated systems.

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