LM2853MH-1.0/NOPB

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LM2853MH-1.0/NOPB is an integrated power management IC (PMIC) for DC/DC switching regulators, of the voltage regulators type. The device offers superior system performance, providing a low profile, low cost and high performance solution for a wide range of power supply applications, from light industrial applications to automotive applications.

The LM2853MH-1.0/NOPB is an integrated package, combining a MOSFET, PWM controller, and driver with the highly efficient, low noise power switch and high-speed core circuitry. The device includes a single-phase full-bridge MOSFET that can be used in applications requiring up to 2A output current. The integrated power switch supports input voltages up to 24V with external frequency up to 1.25MHz.

The Advantages of the LM2853MH-1.0/NOPB include fast switching and short propagation delays for better efficiency, a power switch open protection, low on-resistance, over-current protection, and fast over-voltage protection.

The applications for the LM2853MH-1.0/NOPB include many light industrial applications such as uninterruptible power supplies, power adapters and PC power management, automotive applications such as DC-DC converters, as well as other applications requiring switch-mode power conversion.

In order to better understand the working principle of the LM2853MH-1.0/NOPB, it is important to first understand the basics of DC/DC switching regulators. A switching regulator is a type of DC/DC converter that converts input voltage to a desired output voltage by momentarily opening and closing a switch. When the switch is opened, the output voltage is limited to a fraction of the input voltage. When the switch is closed, the output voltage is equal to the input voltage. By opening and closing the switch at a rapid rate, the output voltage can be controlled.

The LM2853MH-1.0/NOPB uses an integrated PWM controller to achieve the desired output voltage level by controlling the on and off time of the power switch. The PWM controller senses the input and output voltages, and adjusts the on and off times of the power switch to maintain the desired output voltage.

The LM2853MH-1.0/NOPB is also designed to provide protection from over-voltage, over- current, over-temperature and excessive ripple to ensure reliability and safety. The device also provides current limiting protection, which is especially important for automotive applications where the load can draw more current than the regulator can provide.

In conclusion, the LM2853MH-1.0/NOPB is a highly efficient and reliable device for DC/DC switching regulator applications. The device has a wide input voltage range, with features such as power switch open protection, low on-resistance and over-current protection, making it ideal for many light industrial and automotive applications.

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