REC3-1212DRW/H2/A/SMD-R

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DC-DC converters are among the most important components used in a variety of electronic systems and applications, providing efficient power conversion between high and low voltages as well as interface functionality between different systems. The REC3-1212DRW/H2/A/SMD-R is a small, reliable and low-cost DC-DC converter that is used extensively in automotive, medical, and telecommunications applications.This DC-DC converter offers a wide input voltage range of 8–36 V and provides a galvanically isolated bi-directional output of 12 V DC/8 A. The REC3-1212DRW/H2/A/SMD-R also features an active current-sharing operation, allowing it to be connected in parallel to multiple outputs that will share the same load current. This feature makes the converter suitable for applications which require numerous, balanced and reliable power supplies.The converter’s working principle is based on the Buck directional converter topology. This involves the regulation of the output voltage according to a voltage reference on the primary side. The whole process is divided into three phases. The first phase is the startup phase, during which the primary switch is closed, creating a strong electric field in the transformer core. This induces a strong current, which is rectified and filtered to provide the output voltage.The second phase is the steady-state phase. In this phase, the input voltage is regulated by the duty cycle of the pulse-width modulation (PWM) signal. The output voltage is regulated through the feedback control loop, where the output voltage is measured and compared to the input voltage, adjusting the PWM duty cycle to keep the output voltage constant.Finally, during the third phase, the switching frequency is varied in order to prevent the core saturation and to ensure the maximum efficiency of the converter. In addition, during this phase, the reverse current is blocked and the output voltage is limited.The REC3-1212DRW/H2/A/SMD-R is resistant to noise, voltage transients, and vibration, making it a great option for demanding environments. It offers a high level of efficiency, up to 84%, with ripple and noise suppression down to 40 mV. In addition to being used in automotive, medical, and telecommunications applications, the REC3-1212DRW/H2/A/SMD-R can be used in many other applications such as lighting, industrial automation and control, electric power systems, telecommunication and information processing, and more. It is a powerful and reliable DC-DC converter that provides high-efficiency power conversion and reliable operation.

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