REC3-4805DRW/H4/C/SMD

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DC-DC converters are widely used in electronics these days. They convert a direct current (DC) from one voltage level to another, usually from a higher voltage to a lower voltage. The REC3-4805DRW/H4/C/SMD is a type of DC-DC converter with a range of applications and a straightforward working principle.

The REC3-4805DRW/H4/C/SMD is a high-efficiency, non-isolated, step-down DC-DC converter. It is designed for a wide range of digital and home appliance applications, such as microwave ovens, digital set-top boxes, set-top box power supplies, telecommunications, automobiles, etc.

The REC3-4805DRW/H4/C/SMD is a fixed-frequency, synchronous rectification, low side N-channel MOSFET step-down converter. It is capable of delivering up to 5A output current from an input voltage of up to 65V DC, with an efficiency as high as 98%. The REC3-4805DRW/H4/C/SMD is housed in a high-temperature, low-profile SMD package, making it ideal for space-constrained applications.

The REC3-4805DRW/H4/C/SMD converts an input voltage of up to 65V DC into an output voltage of 1-18V DC. The output voltage is adjustable using an external resistor (Rload). An internal power switch in the form of a MOSFET is utilized to control current entering the output voltage rail.

The operating principle of the REC3-4805DRW/H4/C/SMD is straightforward. An external oscillator determines the switching frequency of the converter. An external resistor (Rload) is used to adjust the output voltage. The input voltage is fed to a high-side transistor, which acts as an active switch. When the transistor is on, the current enters the inductor, creating a magnetic field. When the transistor is off, the current in the inductor continues to flow as it is stored in the magnetic field. This current enters a low-side transistor, which then passes it to the output voltage rail.

The REC3-4805DRW/H4/C/SMD is also equipped with several features to enhance performance and safety. It has an internal thermal shutdown and over-current shutdown feature to protect the device from damage due to excessive temperatures or current levels. It also has an external enable pin to enable or disable the device.

The REC3-4805DRW/H4/C/SMD is an ideal choice for a wide range of digital and home appliance applications. Its wide input voltage range, high efficiency, and small SMD package make it an excellent choice for space-constrained applications. Its straightforward operating principle and safety features make it a reliable and efficient choice for DC-DC conversion.

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