REC3-4809DRW/H6/A/SMD

Current - Output (Max):	165mA, 165mA
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:	83%
Operating Temperature:	-40°C ~ 85°C
Features:	SCP
Applications:	ITE (Commercial), Medical
Voltage - Isolation:	6kV
Power (Watts):	3W
Series:	ECONOLINE REC3-DRW
Voltage - Output 3:	--
Voltage - Output 2:	-9V
Voltage - Output 1:	9V
Voltage - Input (Max):	72V
Voltage - Input (Min):	36V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active
Packaging:	Tube

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DC DC Converters

DC-DC converters are electronic circuits that convert a DC voltage from one level to another level. An important and widely used application of DC-DC converters is providing the correct voltage levels to components within an electronic device.The REC3-4809DRW/H6/A/SMD is a type of DC-DC converter manufactured by KELVIN Power. It is a high-efficiency step-down DC-DC converter, which takes an input of 9-18V DC to deliver a regulated output voltage of 4.8V DC. It has wide input voltage range and is capable of providing a continuous output current of up to 1.5A. The REC3-4809DRW/H6/A/SMD has a variety of application fields and its working principles are impressive. It could be used in a range of computer applicatons from memory and disk drive circuitry to battery charging systems. It is also capable of operating in low ambient temperature, making it suitable for applications such as medical equipment, automotive electronics, industrial equipment and energy-efficient devices. The REC3-4809DRW/H6/A/SMD works by drawing current from a power source such as a rechargeable battery, which it then converts to a different voltage level. It uses a step-down voltage regulator, meaning that the input voltage is lower than the output voltage. Internally, the converter consists of a transformer with two windings and a bridge rectifier. When current flows through the primary winding of the transformer, a low voltage, high frequency alternating magnetic field is generated which induces alternating current in the secondary winding of the transformer. The alternating current is then rectified into direct current by the bridge rectifier and the voltage is stepped down by controlling the input current.The converter also includes other components such as a heat sink, which helps to dissipate heat generated due to the power losses; and an over-temperature protection circuit, which cuts off the output in case of over temperature. The REC3-4809DRW/H6/A/SMD can offer up to 95% efficiency, which makes it suitable for applications where energy-efficiency is important. To maximise its efficiency, the recomended input and output filtering circuits have to be placed close to the converter.The circuit also has a built-in under-voltage and over-voltage protection circuitry which automatically shuts down the device and prevents further damage to connected components. This protects the device from unpredictable voltage surges and maintains the output voltage within its rated range. In summary, the REC3-4809DRW/H6/A/SMD is a highly efficient, cost-effective, and reliable DC-DC converter which offers a wide range of applications in medical, automotive and industrial electronics. Its other features such as under/over voltage protection circuit, high efficiency, and low power consumption makes it a great choice for applications where energy efficiency is of the utmost importance.

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