REC5-4805DRW/H2/A/SMD/CTRL-R

Current - Output (Max):	500mA, 500mA
Control Features:	Enable, Active Low
Size / Dimension:	1.26" L x 0.78" W x 0.44" H (32.0mm x 19.9mm x 11.2mm)
Package / Case:	24-SMD Module, 18 Leads
Mounting Type:	Surface Mount
Efficiency:	81%
Operating Temperature:	-40°C ~ 75°C
Features:	Remote On/Off, SCP
Applications:	ITE (Commercial)
Voltage - Isolation:	2kV
Power (Watts):	5W
Series:	ECONOLINE REC5
Voltage - Output 3:	--
Voltage - Output 2:	-5V
Voltage - Output 1:	5V
Voltage - Input (Max):	72V
Voltage - Input (Min):	36V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

DC-DC converters are electronic devices used to convert electrical energy from one form to another, typically from DC to DC, AC to DC, or DC to AC. They are commonly used in industrial and domestic applications to provide the desired output voltage or current from the desired input voltage or current. In this article, we will be discussing the application field and working principle of the REC5-4805DRW/H2/A/SMD/CTRL-R DC-DC converter.

Main Body

Application Field

The REC5-4805DRW/H2/A/SMD/CTRL-R is a high efficiency, synchronous rectified DC-DC converter which is suitable for most applications requiring a compact sized, low noise power supply. It has a constant voltage output and features an adjustable output voltage range of 3.3V to 24V, making it highly versatile. This converter is particularly suitable for use in automotive electronics, consumer electronics, and power control applications. Features include overvoltage, over-temperature, short-circuit, and over-current protections which make it ideal for reliable operation in harsh environments.

Working Principle

The REC5-4805DRW/H2/A/SMD/CTRL-R DC-DC converter has a synchronous rectified, efficiency-boosted topology which allows it to provide a highly efficient and quiet output. It works by first rectifying the incoming AC power and then using a switching regulator to regulate the current according to the desired output voltage. The switching regulator has two switching devices - a transistor and a diode - which are used to control the current flow. The diode allows the current to pass through when the voltage is high, while the transistor is used to block the current when the voltage is below the desired level.The converter also features a control loop which monitors the output voltage and adjusts the duty cycle of the regulating transistor accordingly. This is done by comparing the sensed output voltage with a reference voltage. If the sensed voltage goes above the reference, the duty cycle is decreased to reduce the output. If the sensed voltage goes below the reference voltage, the duty cycle is increased to increase the output. This regulation loop ensures that the output is stable and safe to use.

Conclusion

In conclusion, the REC5-4805DRW/H2/A/SMD/CTRL-R is a high efficiency, synchronous rectified DC-DC converter which is suitable for automotive, consumer, and power control applications. The switching regulator has two switching devices and a control loop which regulates the output voltage according to a reference voltage. The result is a highly efficient and reliable power supply ideal for harsh environments.

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