ST1S09IDEMOBO12

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The ST1S09IDEMOBO12 evaluation board is a DC/DC and AC/DC off-line switch mode power supply (SMPS) solution. Designed to provide a ready-made and cost-effective solution for the evaluation and assessment of advanced offline SMPS technology, the board is suitable for any application that requires offline SMPS.

The ST1S09IDEMOBO12 features the latest in flyback technology as well as a variety of safety approvals, including UL, IEC and EN. Its design supports up to 91% efficiency, low EMI levels and a wide operating range. Features include full integration of STMicroelectronics\' ST1S09 series of integrated power switch controllers, full-bridge topology, and digital programmable power supply.

The ST1S09IDEMOBO12 has been designed for use in any off-line system that requires an advanced SMPS solution. These systems may include residential and commercial appliances, telecom, security systems, medical equipment, lighting applications, and any other system that requires isolating, controlling, and monitoring its own power supply. The evaluation board is especially well suited for applications in which high power efficiency, reliability, space constraints, reduced costs, and fast time-to-market are desired.

The evaluation board features a wide set of control and monitoring options to aid the design and characterization of the power supply. It has an on-board digital user interface that provides access to rich controls and an LED display that displays the output voltage. The board is also equipped with a temperature-controlled fan, load current monitor, and an array of over voltage and under voltage protections.

In terms of working principle, the ST1S09IDEMOBO12 operates as an off-line switch mode power supply with a buck-boost topology and compensator-based output voltage regulation. The board utilizes the ST1S09 series of integrated power switch controllers to deliver a range of features to ensure operational stability and high efficiency. The integration of the integrated power switch controllers also helps to facilitate a minimum of external components.

In addition, the ST1S09IDEMOBO12 includes an integrated braking resistor circuit that, if activated, helps dissipate the stored energy in the leakage inductor. This circuit prevents the transient voltage from spiking by quickly reducing the output current and voltage.

To conclude, the ST1S09IDEMOBO12 evaluation board offers designers high power efficiency and a wide range of safety approvals. Its integrated digital user interface, programmable power supply, and braking resistor circuit make it an excellent choice for any off-line application that requires reliable power delivery.

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