LM2672MX-12/NOPB

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The LM2672MX-12/NOPB is a high frequency, monolithic, step-down switching regulator featuring an adjustable output voltage of 1.2V to 17V. It is capable of delivering up to 3A of continuous output current with a typical efficiency of 95%.

The LM2672MX-12/NOPB is ideal for powering applications wherein low input voltage, high efficiency and small size are the primary design criteria. Due to its cost conscious, small form factor design, the LM2672MX-12/NOPB can be used in a variety of applications ranging from small battery powered systems to industrial, telecom, and computer system designs.

Application Field

The LM2672MX-12/NOPB can be used as a direct power supply for low voltage/current applications such as portable microcontroller based products, 12V/24V smart home/building automation systems, LED driver for DC illumination, and point-of-load (POL) applications. It is also suitable for high current/voltage applications such as audio/video, auto and industrial controller systems.

The LM2672MX-12/NOPB is also capable of providing power for 12V direct current (DC) motors and other DC-DC applications such as step-down converters, voltage converters, and voltage boosters. This makes it suitable for a wide range of applications from portable electronics to military and aerospace applications.

Working Principle

The LM2672MX-12/NOPB is a step-down switching regulator which works on the concept of switching power conversion. This power conversion is achieved by periodically switching a power transistor connected between an input voltage source and an output voltage load. When the power transistor is turned on, it allows a controlled amount of input voltage to be applied to the load, and when it is turned off, it opens the path to the load and thus disconnecting the input voltage source. This process is repeated at a fixed frequency, thus resulting in a rectified output voltage.

The LM2672MX-12/NOPB features a constant frequency current mode control, which makes it efficient by reducing the power losses caused by discontinuous conduction. It also features a low noise synchronous rectifier which is capable of improving efficiency without the use of a Schottky diode. Additionally, the device offers an adjustable output voltage which can be adjusted through an external resistor. The adjustable output voltage range of the LM2672MX-12/NOPB is 1.2V to 17V.

The LM2672MX-12/NOPB also offers a host of protection features such as over-voltage protection, under-voltage protection, over-current protection, over-temperature protection, and short circuit protection. It is available in a wide range of packages and can operate in temperatures ranging from -40°C to125°C.

The LM2672MX-12/NOPB is an efficient and cost effective solution for powering a variety of applications. Its high efficiency, adjustable output voltage, and low noise characteristics makes it ideal for low voltage/current as well as high current/voltage applications.

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