REC3-1215SRW/H2/C/M

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DC DC converters are essential components of many electronic circuits, providing regulated direct current power from an unregulated source. The REC3-1215SRW/H2/C/M DC DC converter is an advanced switching regulator designed for a variety of applications in the communications and computer industry. It utilizes a high-efficiency topology, including a synchronous rectifier circuit and a step-down mode operation, to output a well regulated and protected output voltage.

Application Field and Working Principle

The REC3-1215SRW/H2/C/M is a DC DC converter designed for use in communications, computer and control applications. It has an input voltage range of 8 to 24VDC, and an output power rating of up to 15W. The output voltage is adjustable from 8 to 17VDC, with an accuracy of 6.5mV. It is also equipped with efficient protections against over-voltage and over-current conditions.

The REC3-1215SRW/H2/C/M operates by means of a synchronous rectification topology. This topology uses a synchronous current rectifier circuit to achieve high efficiency, while eliminating switching losses. In addition, a step-down mode switch operation is employed to provide the output voltage.

The synchronous rectifier circuit consists of a switching transistor and a diode. When the transistor is turned on, it draws the current in the primary winding of the transformer. When the transistor is then turned off, the resulting diode current turns on the transistor to draw the current. This circuit also acts to prevent transformer core saturation, which allows for increased efficiency and reduced losses.

The step-down mode is also referred to as the pulse-width modulation (PWM) mode. In this mode, the duty cycle of the switching transistor is modulated to set the output voltage. The duty cycle is calculated from the difference between the output voltage and the reference voltage. As the output voltage increases, the duty cycle decreases, and vice versa. This action reduces switching losses and maintains a constant output voltage.

The REC3-1215SRW/H2/C/M utilizes features such as soft-start, over-temperature protection, over-voltage protection, over-current protection, and over-load protection. These features protect the converter from damage in case of abnormal operating conditions.

In summary, the REC3-1215SRW/H2/C/M is a high-efficiency, feature-rich DC DC converter designed for communications, computer and control applications. It utilizes synchronous rectification and a step-down mode of operation to achieve regulated output power. In addition, it is equipped with a variety of protection features designed to protect the converter from damage in case of abnormal operating conditions.

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