REC3-4809SRW/H/B/M/SMD

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DC-DC converters are electrical devices designed to provide a source of fixed regulated DC voltage from a variable DC or AC input voltage. The REC3-4809SRW/H/B/M/SMD is a type of DC-DC converter known as a buck converter. It can take an input voltage of up to 48V DC and produce a fixed output voltage of 3.3V DC at up to 9 Amps. This makes it suitable for a variety of applications such as communication systems, automotive, medical, industrial control and mobile electronics.

A buck converter uses switching transistors to transfer energy from an input source to an output load. It works by rapidly switching the input power on and off to create a pulse-width modulated (PWM) waveform, which is converted to a lower output voltage by a step-down transformer. This transformer has a primary winding and a secondary winding, and the ratio between the windings determines the final output voltage. The switching transistors, usually MOSFETs, are controlled by an integrated circuit controller, which is designed to maintain a constant output voltage when the input power and load current change.

The REC3-4809SRW/H/B/M/SMD is designed with a high efficiency synchronous rectification design. This means that it uses both MOSFETs and Schottky diodes in the rectification process, which helps improve the efficiency of the converter to over 95%. It also features a low standby power consumption (typically less than 13mW), and a thermal shutdown protection for when the operating temperature exceeds a defined limit.

The REC3-4809SRW/H/B/M/SMD is designed for applications that require a reliable and highly efficient DC-DC converter. Its features make it suitable for use in a wide range of industries, such as automotive, communication systems, medical, industrial control and mobile electronics. It can provide a regulated output voltage of 3.3V DC at up to 9 Amps, making it an ideal solution for a variety of industrial and commercial applications.

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