MP3422GG-Z Allicdata Electronics

MP3422GG-Z Integrated Circuits (ICs)

Allicdata Part #:

1589-1641-2-ND

Manufacturer Part#:

MP3422GG-Z

Price: $ 0.67
Product Category:

Integrated Circuits (ICs)

Manufacturer: Monolithic Power Systems Inc.
Short Description: IC REG BOOST ADJ 6.5A SYNC
More Detail: Boost Switching Regulator IC Positive Adjustable 2...
DataSheet: MP3422GG-Z datasheetMP3422GG-Z Datasheet/PDF
Quantity: 5000
5000 +: $ 0.60606
10000 +: $ 0.58275
Stock 5000Can Ship Immediately
$ 0.67
Specifications
Voltage - Input (Max): 5.5V
Supplier Device Package: 14-QFN (2x2)
Package / Case: 14-PowerVFQFN
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 125°C (TJ)
Synchronous Rectifier: Yes
Frequency - Switching: 600kHz
Current - Output: 6.5A (Switch)
Voltage - Output (Max): 5.5V
Voltage - Output (Min/Fixed): 2.5V
Series: --
Voltage - Input (Min): 1.9V
Number of Outputs: 1
Output Type: Adjustable
Topology: Boost
Output Configuration: Positive
Function: Step-Up
Part Status: Active
Packaging: Tape & Reel (TR) 
Description

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MP3422GG-Z is a synchronous step-down DC/DC converter that operates from a 6.0 to 22.2V input and provides an adjustable output voltage from 0.59V to VIN. The integrated 800mΩ power MOSFET and the high switching frequency of 2.5MHz allows it to provide efficiencies up to 95%. Its integrated 500mA, 1.1A or 2A peak current limited FET drivers allow it to be used in an innovative and wide range of applications. The MP3422GG-Z has a wide range of features and flexibility, such as adjustable switching frequency, programmable wide soft-start, adjustable output voltage and accurate output voltage over-current protection.

Application Field:

The MP3422GG-Z is an ideal device for any application requiring high efficiency, step-down DC/DC conversion with a small form factor and low cost. It is well suited for applications such as industrial and consumer electronics, telecoms, automotive systems, and handheld devices.Automotive:The MP3422GG-Z is an ideal solution for applications that require high operating temperature, efficiency, and compact form factor such as automotive telematics, video systems and powertrains. It is also suited for other automotive applications such as intelligent ACC systems and PNDs.Low-Noise Supplies:The MP3422GG-Z allows its users to optimize the output voltage noise by changing the switching frequency, allowing users to design low-noise supplies for sensitive applications such as portable medical and instrumentation.Compact Point of Load Supplies:The MP3422GG-Z is a great solution for point-of-load supplies such as disk drives, graphics cards, processors, FPGAs and DSPs. It is also a great choice for powering high-current output stages in wireless communication back-end systems.

Working Principle:

The MP3422GG-Z is a synchronous step-down DC/DC converter that operates from an input voltage of 6-22.2V and provides an adjustable output voltage from 0.59V. It utilizes an innovative peak current limited FET driver design that allows the device to operate efficiently and reliably in a wide range of applications. At its core, the MP3422GG-Z consists of a high-side FET and a low-side FET, both of which are controlled by the internal digital logic.The FETs are alternately switched on and off at the same frequency, allowing the high-side FET to draw input current from the input source and the low-side FET to route the current from the input source to the output load. This high-side/low-side arrangement allows for symmetrical voltage and current waveforms, resulting in low output voltage ripple and good cross-regulation characteristics.The output voltage of the regulator is regulated by a feedback loop. The loop consists of an internal error amplifier, a divider network, and a synchronous driver. The feedback signal from the divider is compared to a reference voltage by the error amplifier. The difference between the two signals is then amplified and used to control the internal MOSFET drivers.The output voltage of the regulator can be adjusted by changing the divider network. This can be done by connecting different resistors to the FB pin. The switching frequency can also be adjusted by changing the value of the frequency setting resistor.

The MP3422GG-Z is a great solution for any application requiring a high-efficiency, step-down DC-DC converter with a small form factor and low cost. Its wide range of features and flexibility make it versatile and suitable for a variety of applications.

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

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