REC3-1209DRW/H4/C/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:	4kV
Power (Watts):	3W
Series:	ECONOLINE REC3-DRW
Voltage - Output 3:	--
Voltage - Output 2:	-9V
Voltage - Output 1:	9V
Voltage - Input (Max):	18V
Voltage - Input (Min):	9V
Number of Outputs:	2
Type:	Isolated Module
Part Status:	Active
Packaging:	Tube

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DC-DC ConvertersDC-DC converters are electronic devices used to convert an unregulated DC voltage into a regulated DC voltage. They are used in a wide variety of applications such as renewable energy systems, electric vehicles, and military applications. REC3-1209DRW/H4/C/SMD is a type of DC-DC converter that can be used to convert a voltage from one level to another. This article will discuss the application field and working principle of REC3-1209DRW/H4/C/SMD.Application Field: REC3-1209DRW/H4/C/SMD is typically used in UPS systems, solar inverters, industrial and scientific observation equipment, calibration equipment, and power supplies. It has a wide input voltage range of 4.75V to 15V and can provide an output voltage of 3.3V. It also has a high efficiency of nearly 86% and a low-noise operation with the integrated EMI filter. Its compact size and SMD package make it ideal for space-constrained applications.Working Principle: The REC3-1209DRW/H4/C/SMD DC-DC converter consists of two main components: a switching circuit and a feedback circuit. The switching circuit is responsible for efficiently converting the input voltage to the desired output voltage. It is controlled by the feedback circuit, which monitors the output voltage and adjusts the switching circuit accordingly.The switching circuit consists of an inductor, a diode, and a MOSFET switch. When the MOSFET is in its on-state, it allows current to flow through the inductor and the diode. This causes the inductor to store energy and the diode to prevent the current from flowing back to the input voltage. When the MOSFET is in its off-state, the stored energy is released from the inductor and is sent to the output voltage.The feedback circuit consists of a voltage divider and an error amplifier. The voltage divider is responsible for dividing the output voltage into two voltage levels, a reference voltage and a feedback voltage. The error amplifier then compares these two voltages and produces an error signal. Depending on the magnitude of the error signal, the feedback circuit adjusts the duty cycle of the MOSFET switch, which in turn adjusts the output voltage.Conclusion: REC3-1209DRW/H4/C/SMD is a type of DC-DC converter that is highly efficient and offers a wide range of input and outputvoltages. It is used in a variety of applications such as UPS systems, solar inverters, and power supplies. It operates by controlling a switching circuit with a feedback circuit to ensure the output voltage remains at the desired level.

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