MPQ2451DG-LF-P

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MPQ2451DG-LF-P is a DC-DC synchronous buck regulator designed to provide a compact solution size and extended system flexibility, while achieving high efficiency up to 95.5%. It is intended to provide the most cost effective solution and designed to operate in the DC voltage range of 4.5V to 24V and a wide output voltage range of 0.5V to 18V. The device is capable of delivering up to 8A current output with no external compensation required. It integrates a low-side MOSFET and contains a high-side MOSFET with programmable current limit.

The integrated loop compensator and multi-mode control provides a wider range of design flexibility. The MPQ2451DG-LF-P utilizes a low-voltage control logic, which is able to operate at up to 1.8V for pull-down, 1.8V for pull-up and 0.65V for shutdown. It also has over-voltage, over-temperature and under-voltage protection features with adjustable reset delay.

The MPQ2451DG-LF-P is designed to work in a variety of applications ranges from point-of-load to intermediate bus architectures. It offers low-cost, improved thermal management and efficient operation. The device can be applied in computing, power management systems, automotive applications and product development.

The working principle of MPQ2451DG-LF-P is based on the buck architecture. The regulator is enabled to convert the input voltage to desired output voltage which is then supplied to the load. The regulator is designed to reduce the voltage of its input port and provide a regulated output voltage. The input is connected to a switch which is connected to the inductor and output. During the switch on (the regulator is enabled), current starts to flow from the input voltage to the inductor and output voltage is then generated. When the switch is opened (the regulator is disabled), the current stored in the inductor is then released to provide steady output voltage.

The MPQ2451DG-LF-P also features a multi-mode control and oscillator that allows for improved system flexibility and accuracy. The device has an output voltage accuracy of ±2.5%. It has an adjustable switching frequency of 200 kHz, 300 kHz or 400 kHz, allowing for improved system power efficiency. The device also supports a current limit and thermal shutdown protection to ensure smooth and reliable operation. The adjustable over-voltage protection helps to prevent over-voltage at the output.

In conclusion, the MPQ2451DG-LF-P is a highly efficient, low-cost and feature-rich DC-DC synchronous buck regulator designed to provide extended flexibility and improved cost effectiveness. This device is capable of providing output voltages in the range of 0.5V to 18V, with an output current of up to 8A. It is suitable for a variety of applications and provides precise output voltage accuracy with adjustable switching frequency. In addition, it has integrated protection features to ensure smooth and reliable operation. With its low-voltage control logic design, the device can be used in multiple applications ranging from computing to automotive.

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