AN30185A-EVB-0

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AN30185A-EVB-0 is an evaluation board that belong to the Evaluation Boards - DC/DC & AC/DC (Off-Line) SMPS category. This evaluation board is developed specifically for the AN30185AE, a cost effective, compact and flexible single-channel Fly-Buck controller that integrates several functions on a single chip. The integrated features of this controller such as Active Burst Mode Control, temperature folding, short protection, input voltage feed-forward, current averaging and soft-start make it ideal for use in small, space-constrained DC/DC power conversions.

The AN30185A-EVB-0 evaluation board provides an easy platform to evaluate the performance of the AN30185AE controller. It comes with the Auirich AN30185A edge connector, which provides easy interfacing with the controller. The board also requires an external power supply as well as an oscilloscope to measure waveforms.

The AN30185A-EVB-0 evaluation board works on the basic principles of flyback switching, which is a type of switching power supply that uses two distinct windings on a single magnetic core. The motor winding is used to energize the bridge rectifier and produces a DC output. The second winding operates in bursts and stores energy within the magnetic core before releasing it to the load.

The AN30185A-EVB-0 evaluation board is designed to perform two major tasks: control the output voltage and regulate the output current. The controller on this board carries out the two tasks by modulating the current into the primary winding of the transformer before it gets rectified and filtered to form the desired output voltage. By keeping the transformer current constant it can maintain the output voltage and current value. The dead time, switching frequency, VCO gain, Low Vcc termination and Auto Burst Mode are the main features of the controller.

The AN30185A-EVB-0 evaluation board also has an integrated power fuse. This power fuse is used to protect both the controller and the load from short circuits. The AN30185A-EVB-0 also includes a thermistor that monitors the temperature of the board. If the temperature reaches a certain threshold, the built-in thermal protection circuitry will shut down the power supply and protect it from over-temperature.

Finally, the AN30185A-EVB-0 evaluation board can be used to test and calibrate the AN3018A controller with different power levels. This board is also suitable for use in other DC/DC flyback switching power supplies that require a low-cost, compact, and flexible solution.

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