MEV1S4809SC

Current - Output (Max):	111mA
Control Features:	--
Size / Dimension:	0.77" L x 0.24" W x 0.40" H (19.7mm x 6.2mm x 10.2mm)
Package / Case:	7-SIP Module, 4 Leads
Mounting Type:	Through Hole
Efficiency:	82%
Operating Temperature:	-40°C ~ 85°C
Features:	--
Applications:	ITE (Commercial)
Voltage - Isolation:	3kV
Power (Watts):	1W
Series:	MEV1
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	9V
Voltage - Input (Max):	52.8V
Voltage - Input (Min):	43.2V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Tube

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DC DC Converters- MEV1S4809SC Application Field and Working Principle

DC-DC converters are widely used to convert power from one DC voltage to another. These converters are used in almost all areas of electronics and electrical engineering. The MEV1S4809SC is a popular choice of DC-DC converter in many applications. In this paper, a description of the MEV1S4809SC application field and working principle is presented.The MEV1S4809SC is a high efficiency, low power, off-line, flyback type DC-DC converter. It is capable of operating from an input voltage range of 10.8 to 28V DC, and provides an output of 3.3V and 4.5A. The MEV1S4809SC has low standby power consumption, making it suitable for a variety of applications from industrial to consumer electronics. Its low power operation makes it suitable for applications in which low energy consumption is essential.The MEV1S4809SC has several attractive features that make it suitable for a variety of applications. Firstly, it has an integrated temperature-controlled fan that helps in reducing the junction temperature of the power module and helps to maintain stable output over a wide temperature range of -40℃ to 60℃. Secondly, it provides high efficiency: with a minimum efficiency of 83%, and a peak efficiency of 97%, this converter provides a significant improvement in system performance compared to other converters. Thirdly, it has protection features such as over-voltage protection, short circuit protection, thermal shutdown, and under-voltage lock-out. These features ensure the safety of the circuit from any unexpected situation.In order to understand the working principle of the MEV1S4809SC, it is important to understand the basic principles of a flyback converter. In a flyback converter, the primary side coils of the transformer store energy when the switcher is in the on-state. When the switcher is switched off, the stored energy is transferred from the primary winding to the secondary winding, thereby creating the output voltage. The output voltage depends on the turns ratio of the transformer and the duty cycle of the switcher. The efficiency of the converter depends on the switching frequency and the transformer\'s primary inductance. The MEV1S4809SC operates at a switching frequency of 150kHz and a maximum duty cycle of 99%.In conclusion, the MEV1S4809SC is an ideal solution for a wide range of applications in consumer and industrial electronics, due to its low power consumption, high efficiency, integrated temperature-controlled fan, and protective features. Its flyback topology enables it to deliver the desired output voltage reliably without compromising efficiency.

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