LWN2880-6EG

Power (Watts):	250W
Approvals:	cCSAus, CE, cULus, NEMKO, TUV
Minimum Load Required:	Yes
Size / Dimension:	4.47" L x 4.05" W x 5.43" H (113.6mm x 103.0mm x 138.0mm)
Mounting Type:	DIN Rail
Features:	Adjustable Output, PFC, Universal Input
Operating Temperature:	-40°C ~ 60°C
Efficiency:	88%
Voltage - Isolation:	2.8kV
Applications:	ITE (Commercial)
Series:	Melcher W
Current - Output (Max):	2.5A, 2.5A
Voltage - Output 4:	--
Voltage - Output 3:	--
Voltage - Output 2:	49.4V
Voltage - Output 1:	49.4V
Voltage - Input:	85 ~ 264 VAC
Number of Outputs:	2
Type:	Enclosed, Conformal Coated
Part Status:	Active

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AC DC Converters

The LWN2880-6EG is a switch-mode AC DC converter from Mitsubishi Electric’s LP Business Unit, which achieves high efficiency by using an advanced control circuit design, along with a very compact form factor and high switching frequency. This DC converter can be used in many applications, such as motor control, LED lighting, medical, robotics, telecom, security, and other consumer applications.

Working Principle

The LWN2880-6EG effectively utilizes a switch-mode topology to convert AC power to DC. In this topology, an electronic switch is used to rapidly switch a capacitor, allowing a significant amount of energy to be stored and then released as a fixed DC level. This rapid alternating process allows the power supply to take a small portion of the AC wave and then maintain the voltage present at the output for a defined timeframe. The switching frequency is generated by the oscillator circuit and, along with the switching parameters, determines the output voltage. An output voltage regulator circuit then stabilizes the output voltage and maintains the output current to deliver the specified load. The LWN2880-6EG has a highly efficient circuit design with output ripple below 50mV, meaning it can easily deliver up to 6A of continuous current for varying load conditions.

Control Signal Inputs

The LWN2880-6EG has four control signal inputs, which can be used to provide feedback to its internal control circuits. These inputs can be used for various purposes, including controlling the output voltage, providing over-temperature protection, and enabling the power converter at no-load conditions. In addition, the input signals can be used to control the switching frequency, allowing the DC converter to achieve high efficiency during high and low load conditions.

Safety Features

The LWN2880-6EG is equipped with a range of safety features to protect the device and its users from harm. Its highly efficient design limits the amount of heat generated, while its safety-rated components and low-ripple design minimizes the chances of arcing and thermal runaway. Additionally, the built-in power protection circuit will shut down the power when the input or output goes beyond the specified parameters, thus ensuring the safe operation of the device. Furthermore, the LWN2880-6EG has a wide range of certification levels, including UL, CSA, and CE certifications, meaning it can be used in a wide range of applications.

Conclusion

The Mitsubishi Electric LWN2880-6EG AC DC converter is a highly efficient device that is suitable for a wide range of applications. Its advanced control circuit design allows it to deliver up to 6A of continuous current, while its safety-rated components and wide range of certifications make it suitable for commercial and industrial applications. Furthermore, its compact form factor and wide range of control signal inputs make it an ideal choice for a range of applications.

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