REC3-243.3SRWZ/H6/A/SMD/CTRL

Series:	ECONOLINE REC3-SRW
Packaging:	Tube
Part Status:	Active
Type:	Isolated Module
Number of Outputs:	1
Voltage - Input (Min):	9V
Voltage - Input (Max):	36V
Voltage - Output 1:	3.3V
Voltage - Output 2:	--
Voltage - Output 3:	--
Current - Output (Max):	900mA
Power (Watts):	3W
Voltage - Isolation:	6kV
Applications:	ITE (Commercial), Medical
Features:	Remote On/Off, SCP
Operating Temperature:	-40°C ~ 85°C
Efficiency:	79%
Mounting Type:	Surface Mount
Package / Case:	24-SMD Module, 18 Leads
Size / Dimension:	1.26" L x 0.78" W x 0.44" H (32.0mm x 19.9mm x 11.2mm)
Control Features:	Enable, Active Low

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DC – DC Converters

REC3-243.3SRWZ/H6/A/SMD/CTRL Application Field and Working Principle

DC-DC converter is an electronic device used for voltage conversion from source voltages to reference voltages and isolated power conversion in the power supply industry. The REC3-243.3SRWZ/H6/A/SMD/CTRL is a DC-DC converter that is used to provide power to electronic devices while also providing the electrical insulation required.

Application Field

The REC3-243.3SRWZ/H6/A/SMD/CTRL is an ideal choice for different kinds of DC to DC power conversion applications where isolation, small size, and excellent efficiency is necessary. Typical applications include automotive, industrial, telecommunications, and medical systems, among others. This converter provides electrical isolation between the input and output while also having a wide input voltage range from up to 43V. This DC-DC converter has a peak efficiency of up 89%, making it one of the most efficient models available.

Working Principle

This DC-DC converter works using a pulsed switching method and is capable of being set in several different working modes, such as a burst mode, PFM/PWM Mode, Discontinous Current Mode (DCM) and On/Off Control mode. This converter also features an internal temperature sensor that can be used to adjust the output voltage and limit the current in order to prevent any overvoltage or overcurrent caused by external disturbances.When in use, the REC3-243.3SRWZ/H6/A/SMD/CTRL DC-DC converter uses a pair of switching transistors to pulse the input voltage at a fixed frequency. In PFM/PWM Mode, the converter allows current to flow in each successive half of every cycle and the number of switching cycles depends on the reference voltage connected to the converter. In Discontinous Current Mode, the converter uses the same variable duty cycle in order to adjust the output voltage according to a reference voltage. In On/Off Control Mode, the switching transistors are activated and deactivated to provide power to the output.At the output of the REC3-243.3SRWZ/H6/A/SMD/CTRL DC-DC converter, an inductor and capacitors are used to filter the output voltage and to provide a smooth voltage waveform. Additionally, the converter features active short circuit protection, which prevents any abnormalities caused by short circuits in the system.

Conclusion

The REC3-243.3SRWZ/H6/A/SMD/CTRL converter is a versatile, space saving device that can be used for DC to DC power conversion applications where electrical isolation, compact size and high efficiency are desirable features. It works using a PFM/PWM Mode, Discontinous Current Mode and On/Off Control mode and also features an internal temperature sensor and active short circuit protection. This DC-DC converter is well suited to a wide variety of applications, including automotive, industrial, telecommunications and medical systems.

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