REC3-243.3SRWZ/H4/C/SMD

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DC DC converters are power circuits that convert DC electric power from one voltage to another. The REC3-243.3SRWZ/H4/C/SMD is a type of DC DC converter with specific application fields and working principles.

Application field

The REC3-243.3SRWZ/H4/C/SMD is designed to convert the current from the DC input voltage to the DC output voltage. It is commonly used in numerous electronic devices such as computers, medical devices, electronic gaming systems, mobile phones, tablets, and other digital products. It also has the ability to provide an effective output of up to 1000W.

The REC3-243.3SRWZ/H4/C/SMD has an output current of up to 5A and a wide input voltage range of 4.5-20V. It has features such as low ripple and noise levels, high efficiency, and built-in over-temperature protection. Its robust design is ideal for use in tight spaces.

Working Principle

The REC3-243.3SRWZ/H4/C/SMD DC converter has a single-ended primary-inductor converter (SEPIC) topology, which uses an inductor connected between two capacitors that act as an AC-DC path. The SEPIC also allows for bidirectional current flow between the input and output. The converter ensures high efficiency operation by controlling the switching frequency and optimally regulating the output voltage.

The REC3-243.3SRWZ/H4/C/SMD has two primary power stages, the boost (step-up) and buck (step-down) converter stages. The boost stage increases the input voltage while the buck stage reduces it. Both power stages have two transistors, one that controls the voltage output and another that controls the current output.

The switchover between the two stages is accomplished by an output voltage feedback signal. The signal controls the switchover frequency by determining whether the output voltage is lower or higher than the desired level. When the voltage is low, the boost stage is enabled, and when the voltage is high, the buck stage is enabled.

The switchover is done to ensure that the output voltage remains constant and optimal efficiency is maintained. The primary components of the REC3-243.3SRWZ/H4/C/SMD are the inductor, diodes, and capacitors, which all help to regulate the power flow from the input voltage to the output voltage.

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