DC2297A-A

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DC2297A-A is one of the Evaluation Boards which falls under the category of DC/DC & AC/DC (Off-Line) SMPS, and serves as an aide in evaluating and designing power supplies.

DC2297A-A features two stages of operation: a quasi-resonant FET converter followed by a conventional voltage regulator. The quasi-resonant converter works on the principle of Direct Primary Side Regulation (DPR), which eliminates the need for opto-couplers and secondary-side feedback components leading to higher efficiency and greater cost savings. It can operate from a wide range of input voltages, from the universal AC line input (85-265VAC) to DC voltage inputs. It also features the latest synchronous rectification technology for higher efficiency.

The second stage of the DC2297A-A is a multi-output nano regulator offering an output voltage accuracy of 10%, with output current regulation of 10mV/A. This nano regulator operates in two modes of operation, such as Discontinuous Mode (DCM) and Continuous Conduction Mode (CCM). This nano regulator operates at a switching frequency of 300kHz with a low quiescent current of less than 10mA.

DC2297A-A is suitable for evaluation and design of a wide range of products such as OFF-line applications, constant voltage LED lighting drivers, battery chargers and industrial power supplies. It operates very efficiently at a temperature range of -40°C to 85°C.

In summary, DC2297A-A is an efficient, user-friendly Evaluation Board featuring two stages of operation, including the quasi-resonant FET converter and the nano regulator. Its wide range of voltage inputs, high output accuracy, and efficient operation make it an ideal choice for a variety of applications such as OFF-line applications, LED lighting drivers, battery chargers, and industrial power supplies.

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