V7AH-03H5000

Current - Output (Max):	3A
Control Features:	--
Size / Dimension:	0.70" L x 0.31" W x 0.65" H (17.8mm x 7.9mm x 16.5mm)
Package / Case:	5-SIP Module
Mounting Type:	Through Hole
Efficiency:	92%
Operating Temperature:	-40°C ~ 85°C
Features:	Remote On/Off, OCP, SCP, UVLO
Applications:	ITE (Commercial)
Power (Watts):	15W
Series:	V7AH
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	5V
Voltage - Input (Max):	32V
Voltage - Input (Min):	8V
Number of Outputs:	1
Type:	Non-Isolated PoL Module
Part Status:	Obsolete
Packaging:	Tube

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DC DC Converters: V7AH-03H5000 Application Field and Working PrincipleDC/DC converters play a massive role in modern electronics that allow a single DC voltage source to provide multiple, exchangeable power source at the same or different voltages. The V7AH-03H5000 is a DC/DC converter specifically designed for a wide variety of applications ranging from providing storage-battery-type power supplies, to reliable DC/DC power conversion in switch-mode power supplies. It is frequently used in a wide range of applications including industrial and commercial power supplies, medical equipment, communications equipment, automotive and solar energy, among many others.This article is intended to explore the various application fields and working principles of the V7AH-03H5000 DC/DC converter. In addition, detailed specifications can be obtained on Weidmuller’s website.Introduction to the V7AH-03H5000The V7AH-03H5000 is a modern DC/DC converter that features galvanic isolation up to 3000 V, allowing the supply voltage to be efficiently converted from a higher voltage to a lower voltage. This galvanic isolation ensures electrical noise generated in a power system is kept away from an external subsystem or sensitive circuit, which is essential in many applications where reliable regulation and accurate operations are needed. In addition, this DC/DC converter allows the input and output-voltage values to be selected, which helps to optimize the overall efficiency in different applications.The V7AH-03H5000 also contains built-in heat-drain safeguards to protect against short-circuits or other potentially damaging situations. The device offers a wide range of operating temperature options for various applications, from -30℃ to +80℃, with the ability to operate in extreme temperatures ranging up to +125℃. Lastly, the V7AH-03H5000 comes with robustness through proven design algorithms which help maximize its life cycle and power density levels.Application Field of the V7AH-03H5000The V7AH-03H5000 DC/DC converter is designed for a number of different applications including but not limited to:

• Industrial and commercial power supplies
• Battery powered medical equipment
• Communications equipment
• Automotive systems, such as hybrids and electric vehicles
• Solar energy systems
• UPSs, inverters, and other power conversion systems.

The device can be used in both AC-to-DC and DC-to-DC conversion applications, making it a very flexible piece of equipment. As previously mentioned, the V7AH-03H5000 also contains built-in heat-drain safeguards to protect against short-circuits or other potentially damaging situations, and the wide range operating temperature setting also allows it to be applied in most any type of environment. The main features of this device make it a great device for any and all of these applications.Working Principle of the V7AH-03H5000The V7AH-03H5000 operates based on the principle of a flyback switched-mode power supply. In a flyback topology, the primary winding on the transformer provides voltage isolation from the secondary winding. This voltage isolation results in an isolated DC/DC converter rather than a linear regulator providing less efficiency but more flexibility. The device operates by providing a high frequency voltage from the primary winding to a secondary winding. As this voltage crosses from the primary winding to the secondary, it passes through a diode rectifier which, in turn, causes a charging current to flow and store energy on the output capacitors.The energy stored on the output capacitors is then released to the output terminals when the primary voltage is brought down to zero. This is also known as the flyback principle of operation. The flyback topology also offers several advantages including high power density, good noise performance and cost effectiveness. In addition, the galvanic isolation provided by the flyback topology helps protect sensitive components from noise coming from other circuits, ensuring reliable power conversion.ConclusionThe V7AH-03H5000 DC/DC converter is a versatile and powerful DC/DC converter device, designed to be used in a wide range of applications. With its built-in safeguards and wide operating temperature capabilities, the V7AH-03H5000 is suitable for a variety of demanding power conversion applications. Utilizing the flyback topology principles, it allows reliable and efficient power conversion and isolation. For further information, please visit Weidmuller’s website.

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