LM22674MRE-5.0/NOPB

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The LM22674MRE-5.0/NOPB is part of the power management integrated circuit (PMIC) voltage regulators, and is a type of DC-DC switching regulator. The LM22674MRE-5.0/NOPB offers a 3A adjustable output current with a 1.1A current limit, as well as a wide input voltage range of 4.75 V to 20V. It is designed for use in automotive applications.

The LM22674MRE-5.0/NOPB is a synchronous step-down DC-DC converter with the capability of providing a regulated output voltage with an adjustable output current of 3A. It integrates a power MOSFET and other control circuitry into a small package, making it ideal for use in small applications where board space is limited. It features a high efficiency rating of up to 95% and a wide input voltage range of 4.75 V to 20 V, making it suitable for automotive applications.

The LM22674MRE-5.0/NOPB also has adjustable synchronous frequency range that can be set using either a voltage or frequency control option with an adjustable range of 100 kHz to 2 MHz. It also has a wide thermal shutdown range to protect the device from thermal overload. The LM22674MRE-5.0/NOPB also features a wide creepage distance and a high isolation voltage of 2500Vac.

In terms of its application field, the LM22674MRE-5.0/NOPB is commonly used in automotive applications such as powertrain management, power control and supply, and charging systems. The LM22674MRE-5.0/NOPB is also suitable for use in battery powered systems, such as electric vehicles, and mobile medical equipment.

In terms of its working principle, the LM22674MRE-5.0/NOPB works by using a synchronous buck converter circuit. This circuit consists of an input voltage source, which can range from 4.75 V to 20 V, a power MOSFET switch, an inductor, and an output voltage capacitor. The MOSFET switch is switched on and off through the driver signal generated by the control circuitry, which is connected to the input voltage source. As the switch is switched on and off, energy is transferred from the input voltage source to the inductor, which results in a current flow being generated. This current is then outputted to the output voltage capacitor. This circuit ensures that the output voltage remains within the predetermined range by adjusting the duty cycle of the MOSFET switch.

The LM22674MRE-5.0/NOPB is a versatile and efficient DC-DC switching regulator ideal for use in automotive applications. It features a wide input voltage range, adjustable output current, adjustable switching frequency, and a high efficiency rating of up to 95%, allowing it to be used in a variety of applications. The LM22674MRE-5.0/NOPB is a great choice for systems that require high levels of power efficiency, space savings, and flexibility.

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