MP4470AGL-P Allicdata Electronics
Allicdata Part #:

1589-1185-2-ND

Manufacturer Part#:

MP4470AGL-P

Price: $ 2.24
Product Category:

Integrated Circuits (ICs)

Manufacturer: Monolithic Power Systems Inc.
Short Description: IC REG BUCK ADJ 5A SYNC QFN
More Detail: Buck Switching Regulator IC Positive Adjustable 0....
DataSheet: MP4470AGL-P datasheetMP4470AGL-P Datasheet/PDF
Quantity: 3000
500 +: $ 2.03931
1000 +: $ 1.71990
2500 +: $ 1.63391
Stock 3000Can Ship Immediately
$ 2.24
Specifications
Voltage - Input (Max): 36V
Supplier Device Package: 20-QFN (3x4)
Package / Case: 20-VFQFN Exposed Pad
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 125°C (TJ)
Synchronous Rectifier: Yes
Frequency - Switching: 200kHz ~ 1MHz
Current - Output: 5A
Voltage - Output (Max): 32.4V
Voltage - Output (Min/Fixed): 0.8V
Series: --
Voltage - Input (Min): 4.5V
Number of Outputs: 1
Output Type: Adjustable
Topology: Buck
Output Configuration: Positive
Function: Step-Down
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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MP4470AGL-P Application Field and Working Principle

The MP4470AGL-P is a DC-DC Switching Regulator and Pulse-Width Modulation (PWM) Controller from Monolithic Power Systems (MPS). It is designed to generate high-current, low-voltage output from a high-voltage power-conversion system, making it ideal for powering processors & other electronically-sensitive components. This product combines low quiescent current, high-efficiency, and adjustable output voltage with an integrated PWM controller and compensation logic. The MP4470AGL-P belongs to the family of DC-DC Switching Regulators that MPS offers, including its predecessor, the MP4470.

Features & Benefits

  • Low quiescent current (56 µA) allows system to operate on batteries with low power dissipation
  • High-efficiency over wide load range reduces number of external components required
  • Boost, Buck, and Buck-boost operating modes for voltage regulation
  • Adjustable output voltage range from 0.6V to 3.5V for optimum component utilization
  • Up to 3A (300mA typical) output current to power system processors and other high-current components
  • Integrated PWM controller with fast load-transient response allows applications with processor speeds up to 1GHz
  • Compensation network significantly reduces component count, PCB layout area, and board complexity
  • Programmable over-current protection for enhanced system reliability

Application Area

The MP4470AGL-P is designed for voltage regulation in medium to high-power systems. It is ideal for applications requiring a low quiescent current, high efficiency, and adjustable output voltage. Such applications include servers, distributed power architectures, graphics cards, and embedded systems in the industrial, automotive, and consumer markets.

Working Principle

The MP4470AGL-P is a DC-DC step-down regulator that uses a PWM control loop to regulate output voltage. It accepts an input voltage of 6V to 28V, and outputs an adjustable voltage between 0.6V and 3.5V. The regulator uses a current-mode control loop, which means that the output voltage is regulated by controlling the current in the integrated inductor. This eliminates the need for external components, such as resistors and capacitors, that are normally required to stabilize voltage regulation.

The MP4470AGL-P also features an over-current protection (OCP) circuit, which automatically shuts down the regulator if the current exceeds the programmed threshold. This prevents the regulator and other system components from damage due to over-current conditions, and increases system reliability.

Conclusion

The MP4470AGL-P is an ideal solution for medium to high-power applications requiring adjustable output voltage and high-efficiency. It incorporates an integrated PWM controller and compensation logic, eliminating the need for external components. Additionally, it offers adjustable over-current protection, making it suitable for use in systems with variable-load conditions. The MP4470AGL-P provides an efficient, cost-effective solution for a variety of power-conversion applications.

The specific data is subject to PDF, and the above content is for reference

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