MP4470GL-P

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The MP4470GL-P is a type of DC-DC switching regulator that is used in applications such as automotive, industrial, digital audio, and mobile phones. This regulator is designed to provide a stable and efficient power supply, thus allowing for reliable and longer-lasting performance. It is also capable of delivering high output currents in a cost-effective manner.

The MP4470GL-P utilizes a synchronous buck-boost topology, which allows for a high power density, high efficiency, and low ripple operation. This regulator is capable of an input voltage range of 4.5V - 48 V and an output voltage of 0.6V to 24V. Its output current is rated up to 4A, while its switching frequency can be configured to either 1MHz or 2MHz.

The MP4470GL-P also features built-in over-temperature protection, under-voltage lockout, bad-cell protection, and adjustable soft-start. It has an on-chip control logic that provides automatic switching between PFM and PWM modes of operation, thus providing a regulated output voltage during light load conditions. It also features a power-saving sleep mode, which can reduce the quiescent current considerably when the device is not in use.

The working principle of the MP4470GL-P is to convert the input voltage to a regulated output voltage through an active switch (transistor). It pumps power from the input voltage to the output by rapidly switching the active switch in order to create a regulated, DC output voltage. The active switch is connected to a feedback circuit that monitors the output voltage and adjusts the switching frequency accordingly in order to maintain the target output voltage.

The MP4470GL-P is suitable for a wide range of applications and is an ideal solution for providing a reliable and efficient power supply. It is capable of delivering high output currents in a cost-effective manner while also providing automatic switching between PFM and PWM modes of operation. The adjustable soft-start feature ensures a smooth turn-on and limits inrush current. The on-chip control logic and the power saving sleep mode also make the MP4470GL-P an efficient and reliable choice.

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