MPQ4462DN-LF-Z

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MPQ4462DN-LF-Z is an integrated monolithic DC-DC converter belonging to a family of power supply regulators. It integrates an adjustable buck converter and PWM controller, synchronous rectification and high side and low side switches, power MOSFETs, and features a simple external circuitry. This makes it suitable for most applications which require efficient on-time power conversion and management.

This product from Monolithic Power Systems (MPS) is commonly used as a buck regulator in a wide range of power supply design applications. Since it is a DC-DC converter, it can convert the input voltage of an electrical system to a lower output voltage. The range of input voltage it can accept is 5.5V to 16V, and its output voltage can be adjusted from 0.8V to 14.5V, with an adjustable switching frequency up to 2.2MHz.

The MPQ4462DN-LF-Z features a PWM controller that operates in a complimentary mode. This mode allows for a variable frequency signal and two outputs being generated. By utilizing the two outputs from the PWM controller, half-Bridge driver circuits are created. Half-bridge drivers are a type of switch-mode power supply circuit which consists of two switches and a transformer in series. These drivers regulate the voltage and current of a power supply by switching on and off very rapidly.

To better understand how the MPQ4462DN-LF-Z works, it is helpful to understand the basics of switching regulators. A switching regulator is an electronic regulator which adjusts output levels by turning an energy source on and off very quickly. A switching regulator uses an internal switch which is controlled by an internal controller. The controller senses the output voltage and adjusts the on and off times of the switch, thus controlling the output voltage of the converter. A switching regulator often has higher efficiency than linear regulators, as it requires less energy to maintain a constant output voltage.

The MPQ4462DN-LF-Z is designed to provide a very high efficiency, robust, and reliable switching regulation solution for a wide variety of applications. Due to its integrated synchronous rectification and power MOSFETs, it is able to efficiently transfer electrical energy from the input to the output with minimal power losses. It also features programmable slope compensation for improved stability, soft-start, internal blanking for improved noise immunity, and one-cycles-delay for improved EMI performance. Other features such as an over-current limit and under-voltage lock-out provide additional protection.

The MPQ4462DN-LF-Z is suitable for a wide variety of power supply design applications. It has been used in medical equipment, power supplies, computers and servers, battery charging, telecom equipment, as well as many other applications. With its small size and integrated features, it is well suited for applications which require high current and low noise switching regulator solutions.

In conclusion, the Monolithic Power Systems MPQ4462DN-LF-Z voltage regulator is a highly efficient and robust solution for a variety of power supply designs. The integrated features and low noise performance make it suitable for many applications which require efficient on-time power conversion and management.

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