MPD6D128S

Current - Output (Max):	6A
Size / Dimension:	1.77" L x 1.67" W x 0.17" H (45.0mm x 42.4mm x 4.4mm)
Package / Case:	34-SMD Module, 29 Leads
Mounting Type:	Surface Mount
Efficiency:	92%
Operating Temperature:	-40°C ~ 85°C
Features:	--
Applications:	ITE (Commercial)
Voltage - Isolation:	1.5kV
Power (Watts):	30W
Series:	MPD
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	5V
Voltage - Input (Max):	75V
Voltage - Input (Min):	36V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Obsolete
Packaging:	Tray

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DC-DC converters play a crucial role in many applications. Among those converters, DC-DC buck converters can efficiently step down and isolate a higher input voltage to a lower regulated output voltage level with near-perfect linearity and well-controlled and corrected output. The MPD6D128S buck converter family is one of the most widely used DC-DC buck converters, and those converters combine naturally with other systems which utilize both analog and digital control and feature advanced user control.In this article, we will discuss in detail the application field of the MPD6D128S buck converter and its underlying working principle.

Application Field of MPD6D128S

MPD6D128S is a 8 V/A DC-DC buck converter offering adjustable output voltage from 0.53 V to5.5 V, and the input voltage range is from 4 V to 28 V. Featured with digital/analog mixed control, the output voltage can be regulated or adjusted externally to allow different voltage levels suitable for applications, and it features high efficiency of up to 96%. The MPD6D128S also ensures good reliability while providing reliable performance in applications including PCs, notebook computers, data storage, automotive electronics, industrial drives, power converters, battery-powered appliances, and other power systems. In addition, MPD6D128S also supports a wide input voltage range from 4V to 28 V, multiple options of current size from 4A to 128A, and temperature compliance down to as low as -40℃(extreme temperature value). The smart feature of the MPD6D128S can correctly identify the parameters of each load, allowing flexible, efficient operation in a variety of systems.

Working Principle of MPD6D128S

MPD6D128S buck converter family uses the principle of synchronous rectification to reduce the losses of voltage conversion. Synchronous rectification means that the power MOSFETs are operated alternatingly as a switch in different beeline states to produce a linear voltage output, and the switching frequencies can be electronically adjusted between 40 kHz and 400 kHz. In this way, the output voltage is precisely regulated along with the input and load.

Besides, due to its digital and analog control features, the MPD6D128S can accommodate the desired output voltage with a near-perfect linearity, as well as feature an over-voltage protection, an output current protection, and a wide range of externally adjustable outputs. When the desired voltage is higher than 28V, MPD6D128S can also be used; the output voltage is limited to 28V at most, and all excess voltages are shorted to the ground to prevent any potential hazards.

In conclusion, the MPD6D128S is the perfect choice for a wide range of applications due to its efficient and reliable performance in both linear and switching modulation scenarios. It offers multiple options of current size and temperature compliance down to as low as -40℃, and its digital/analog mixed control allows the output voltage and load parameters to be accurately identified for flexible operation. In addition, the MPD6D128S also provides over-voltage protection and output current protection. Therefore, the MPD6D128S buck converter is the ideal solution for applications which require both a high-precision output voltage and a reliable performance.

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