REC3-4815DRW/H2/C/M/SMD-R

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DC-DC converters are an important component of many modern electronic appliances, providing efficient and reliable power conversion to a variety of circuits and devices. The REC3-4815DRW/H2/C/M/SMD-R is a type of DC-DC converter specifically designed for applications that require high power or high reliability.

This specific DC-DC converter has a wide input voltage range of 18 to 32 volts and is designed to handle a large output current of up to 15A. It also offers intelligent protection features such as over-temperature protection, over-voltage protection, and reverse-polarity protection. With a high efficiency of up to 92% and a wide operating temperature range of -40°C to +85°C, it is ideal for use in a variety of extreme conditions.

The REC3-4815DRW/H2/C/M/SMD-R utilizes a buck converter topology, which is a type of switched-mode power supply that has a non-isolated input and output. At its heart, the unit consists of three main components: an inductor, switch (transistor or MOSFET switch) and a diode. The inductor stores energy while the switch is used to control the flow of current. The diode serves to prevent the inductor from discharging back into the power supply.

When the switch is off, the inductor accumulates energy. When the switch is on, the energy stored in the inductor is discharged into the output and the output voltage is equal to the input voltage multiplied by the duty cycle. The duty cycle is controlled by the ratio of the on time of the switch compared to the total switching period. The output voltage therefore can be controlled by varying the duty cycle.

The power conversion of the REC3-4815DRW/H2/C/M/SMD-R is achieved through the synchronous rectification principle, where the circuit uses an active rectifying circuit that replaces the diode. This rectifier, consisting of two transistors working in antiparallel, is controlled through a PWM-controlled switch, which further improves the efficiency. This is especially apparent when the converter is operating at lower input voltages and in light-load conditions.

Due to its high power and efficiency, the REC3-4815DRW/H2/C/M/SMD-R makes an ideal choice for applications such as industrial automation, telecommunications, and consumer electronics. It can also be used in embedded applications such as gateways, routers, access points, firewalls, and VoIP systems. With its wide input voltage range and intelligent protection features, this DC-DC converter offers an excellent choice for reliable and efficient power conversion.

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