REM3-2412S/A

Current - Output (Max):	250mA
Size / Dimension:	1.25" L x 0.80" W x 0.40" H (31.8mm x 20.3mm x 10.2mm)
Package / Case:	24-DIP Module, 5 Leads
Mounting Type:	Through Hole
Efficiency:	87%
Operating Temperature:	-40°C ~ 105°C
Features:	Remote On/Off, OCP, OVP, SCP, UVLO
Applications:	ITE (Commercial), Medical
Voltage - Isolation:	5.0kV
Power (Watts):	3W
Series:	REM3
Voltage - Output 3:	--
Voltage - Output 2:	--
Voltage - Output 1:	12V
Voltage - Input (Max):	36V
Voltage - Input (Min):	18V
Number of Outputs:	1
Type:	Isolated Module
Part Status:	Active
Packaging:	Tube

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DC DC Converters – REM3-2412S/A Application Field and Working Principle

DC-DC converters are an important part of the modern electrical system. They play an important role in supplying power to various systems and components in the form of DC voltage or current. DC-DC converters operate by changing AC voltage into a desired DC voltage and supplying an isolated output. The REM3-2412S/A is a high efficiency, high frequency, isolated, 10 watt DC-DC converter.

Application Field of REM3-2412S/A

The REM3-2412S/A is specifically designed for applications requiring high efficiency, low EMI, and high power density. It is an ideal choice for board level DC-DC applications using high voltage input sources. Its 3:1 input voltage range allows for operation over a 120-375VDC input range. This unit comes in a small, easy to mount, SIP package with isolation up to 1000 V and full output load capability.The REM3-2412S/A is suitable for telecom, medical, industrial, and instrumentation applications. It is also a great choice for applications that require high efficiency, space saving, and low EMI, such as laptop computers, thin clients, cellular phones, and other portable devices that require a DC-DC converter for their power source.

Working Principle of REM3-2412S/A

The REM3-2412S/A is a switching DC-DC converter, which means it converts power by switching an input voltage into a required output voltage at a high frequency. This is done by a series of pulses, which are controlled by an internal oscillator.In principle, a DC-DC converter switches the input and output voltage at a high frequency through a transistor, which is commonly known as an insulated gate bipolar transistor (IGBT). When the transistor is on, a current is allowed to flow through the primary winding of the converter\'s transformer and the diode between the source and the gate of the IGBT. When the transistor is turned off, the current through the primary winding is stopped, so the source voltage is reset to zero.The secondary winding of the transformer then provides the desired output voltage. This output voltage is determined by the ratio of the transformer\'s windings, the duty ratio of the pulses, and the voltage of the input voltage source. The duty ratio of the pulses is determined by the internal oscillator, which monitors the output voltage to ensure that it is at the correct level.The REM3-2412S/A is designed to have very low losses, which helps to provide high efficiency. This is achieved through careful engineering of the components used, such as the IGBTs and the transformer. The transformer has a specially designed core, which is optimized for the required input and output voltage range of the REM3-2412S/A.

Conclusion

The REM3-2412S/A is a high efficiency, high frequency, isolated, 10 watt DC-DC converter. It is suitable for board level DC-DC applications using high voltage input sources, and its 3:1 input voltage range allows for operation over a 120-375VDC input range. It is a great choice for applications that require high efficiency, space saving, and low EMI, such as laptop computers, thin clients, cellular phones, and other portable devices that require a DC-DC converter for their power source. This unit operates by switching an input voltage into a required output voltage at a high frequency, which is managed by an internal oscillator. This is done through careful design of the components used, such as the IGBTs and the transformer, to ensure low losses and high efficiency.

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