MEJ1S0512SC

Voltage - Output 3:	--
Control Features:	--
Size / Dimension:	0.77" L x 0.39" W x 0.50" H (19.7mm x 10.0mm x 12.7mm)
Package / Case:	7-SIP Module, 5 Leads
Mounting Type:	Through Hole
Efficiency:	74%
Operating Temperature:	-40°C ~ 85°C
Features:	SCP
Applications:	ITE (Commercial), Medical
Voltage - Isolation:	5.2kV
Power (Watts):	1W
Current - Output (Max):	83mA
Series:	MEJ1
Voltage - Output 2:	--
Voltage - Output 1:	12V
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Type:	Isolated Module
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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Introduction: DC DC Converters

DC-DC converters are electronic power supplies that can convert a DC input voltage to a different, usually higher or lower, DC output voltage. In addition to DC-DC converters, there are also AC-DC converters, or AC-DC power supplies, which convert AC-input voltages to DC output voltages. Therefore, devices such as rectifiers, inverters, solenoids, contactors, and AC-DC power supplies are all considered to be DC-DC converters.

MEJ1S0512SC Application Field and Working Principle

MEJ1S0512SC is a single integrated DC-DC converter, specifically designed for use in server, storage and other industrial Ethernet applications. This particular unit is a specialized, isolated DC-DC converter, consisting of a buck converter and a full-bridge rectifier, which provides improved system reliability and power efficiency. The MEJ1S0512SC advanced design ensures high performance, efficiency, and low power consumption. This specific converter features an internal 1A output current and an operating temperature range from 50℃ to 95℃. Furthermore, it also features a wide 3.3V to 15V input voltage range and a wide, adjustable output voltage range from 0.6V to 11V. This product is designed with input power factor correction (PFC) and EMI down-conversion in order to ensure compliance with system-level regulations. Additionally, the isolated basis of the converter eliminates the need for additional capacitors and reduces the heat-load substantially and increases the reliability of the application. In terms of the actual working principle of the MEJ1S0512SC, the input voltage is first regulated and sent through a secondary winding on an isolated transformer. This causes the voltage to be changed and creates an intermediate DC voltage that can be regulated at a certain output current. After that, a full-bridge rectifier is used to convert the intermediate AC voltage into a regulated DC voltage. Finally, the DC voltage is filtered with a low-pass filter and output to the load.

Conclusion

Overall, the MEJ1S0512SC is a top-of-the-line DC-DC converter designed for server, storage and other industrial Ethernet applications. This converter features PFC and EMI down-conversion to ensure compliance with system-level regulations, and it eliminates the need for additional capacitors with its isolated basis and reduces the heat-load substantially and improves the reliability of the application. This product is an excellent choice when it comes to DC-DC converters for both commercial and industrial applications.

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