LM2672M-3.3

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LM2672M-3.3 is a type of voltage regulator which falls into the category of DC DC Switching Regulators, which are widely used in the power management and industrial automation industries. The device helps to provide a stable and reliable power supply while also allowing designers to reduce parts count, simplify product design, reduce cost and improve power efficiency. This article will discuss the application fields and working principle of this device.

Application fields

LM2672M-3.3 is a high-efficiency, low-noise DC/DC voltage regulator which helps to support designer’s application requirements and provide a reliable and stable power supply to end products. It is mainly used in systems such as automotive, consumer, industrial and medical instrumentation, gaming, network and communications, power module, portable and notebook computing, radio frequency and satellite applications, as well as telecommunication. LM2672M-3.3 can operate with power sources of up to 3.3V, and its output can be regulated by a pulse-width modulation (PWM) control. It also has an integrated load disconnect switch, allowing the S/EAW output of the device to be connected to a positive load.

Working Principle

The main part of a DC/DC voltage regulator is its switching regulator, which is designed to convert a constant current power supply into a more stable and reliable power supply. In case of LM2672M-3.3, it consists of two main components - a buck converter and a load disconnect switch. The buck converter regulates a current input voltage and helps to convert it into a constant output voltage, with the output voltage level being determined by the PWM control. The load disconnect switch helps to protect the S/EAW output from any current fluctuations and helps to keep the output stable.

Moreover, LM2672M-3.3 has an internal oscillator, which sets the current PWM cycle and determines the output voltage level. This eliminates the requirement of an external PWM controller, and makes this device an ideal choice for designers.

The device provides a low quiescent current, an internal compensation network, as well as a enable and shutdown pin, allowing it to be used as a power supply in different applications. Furthermore, it provides integrated short-circuit, thermal and over-current protection.

All in all, LM2672M-3.3 is a high-efficiency, low-noise DC/DC voltage regulator which is ideally used in applications related to automotive, consumer, industrial and medical instrumentation, gaming, network and communications, power module, portable and notebook computing, radio frequency and satellite applications, as well as telecommunication. The device is designed with two main components - a buck converter and a load disconnect switch - and its output voltage level is determined by an internal oscillator and PWM control.

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