Series:	ECONOLINE REC3-DRW
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Isolated Module
Number of Outputs:	2
Voltage - Input (Min):	18V
Voltage - Input (Max):	72V
Voltage - Output 1:	5V
Voltage - Output 2:	-5V
Voltage - Output 3:	--
Current - Output (Max):	300mA, 300mA
Power (Watts):	3W
Voltage - Isolation:	2kV
Applications:	ITE (Commercial)
Features:	Remote On/Off, SCP
Operating Temperature:	-40°C ~ 85°C
Efficiency:	80%
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: REC3-4805DRWZ/H2/A/SMD/CTRL-R Application Field and Working Principle

The REC3-4805DRWZ/H2/A/SMD/CTRL-R is a dual output DC/DC converter module. It is designed to provide excellent efficiency and high power density through the use of advanced magnetics and power semiconductor technology. This module integrates all power components, such as main MOSFETs, inductors, filtering capacitors, into the package which provides a great solution of space-saving and cost-effective for the applications where a high end power supply is needed.

Applications

The REC3-4805DRWZ/H2/A/SMD/CTRL-R is suitable for a wide range of applications, such as industrial, automatic control, communication, computer components,drive power supply, etc. It provides regulated outputs and excellent EMC performance, making it appropriate for high reliability power converters, including system power supply, solar power systems, automotive, high-end telecom and industrial control applications.

Features

The REC3-4805DRWZ/H2/A/SMD/CTRL-R offers a number of features that are beneficial in different applications.The module is designed to provide excellent efficiency with high power density, allowing it to provide excellent performance in space-constrained applications. It is also designed for excellent reliability and long life. It features over current protections, short circuit protections, over temperature protection, and output soft start. The module integrates all of the power components, such as main MOSFETs, inductors, filtering capacitors, into the package, which helps to reduce system cost and size. It features high frequency pulse width modulation (PWM) topology, which reduces the size of the module and makes it more efficient, while also providing high step-up/step-down ratios with minimal number of external components. The module has a wide input voltage range and can accept input voltages from 4V to 23V. It can provide an output voltage of 5V and 12V, with an output power range of 20W.

Working Principle

The REC3-4805DRWZ/H2/A/SMD/CTRL-R converts the input voltage to a fixed output voltage through a high frequency switching mechanism configuration. The module uses high frequency PWM technology, to output a square wave voltage signal and drive the MOSFET to switch on and off. Each of the MOSFETs will conduct during a specific period, and the conduction time will be sampled from the half-bridge transformer. The MOSFET will turn on and off according to the regulated output voltage. The voltage is then rectified and filtered to provide a DC voltage, which is the output voltage of the module. The output voltage is then regulated with the feedback signal received from the secondary side, to achieve the voltage regulation. The module also includes many protection features, for safe operation. It has over current protection, short circuit protection, over temperature protection, and output soft start.

Conclusion

The REC3-4805DRWZ/H2/A/SMD/CTRL-R is a dual output DC/DC converter module, which is suitable for a wide range of applications. It provides regulated outputs, excellent EMC performance, and excellent efficiency and power density. It features high frequency Pulse Width Modulation (PWM) topology, a wide input voltage range, and protection features such as over current protection, short circuit protection, over temperature protection, and output soft start. The module is designed for excellent reliability and long life, and its integration of all power components within the package helps to reduce system cost and size.

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