LV5693PGEVB

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Evaluation and demonstration boards and kits provide a versatile and easily adaptable platform for designers and engineers to evaluate, develop and demonstrate products. LV5693PGEVB is a multi-mode regulator LED driver application board for evaluating the performance of the LV5693PGEVB step-down LED driver integrated circuit. It is designed to offer the user easy and comprehensive access to the features and performance of the LV5693PGEVB.

The LV5693PGEVB application board is very simple to use. It is designed with an integrated power supply, and it supports input voltage up to 24V. The board\'s input voltage and output current limits can be adjusted, allowing the user to test different operating configurations. A single turn potentiometer is used to set the maximum output current. The output current can be adjusted by turning the pot clockwise to increase the current, and counter clockwise to decrease it. There is also a switch to enable or disable the power supply. The board also features a soft-start circuit, which helps reduce inrush current when the power supply is turned on.

The working principle of the LV5693PGEVB application board is based on the principles of current mode control. The board has an internal oscillator which produces a triangular waveform, which is used to control the output current. The input to the oscillator is then provided with a voltage reference of 1.25V. The triangular waveform is then compared to the voltage reference, and the current is then adjusted accordingly. The output current is then regulated by the current amplifier circuit, which increases or decreases the current in response to the comparison of the voltage reference and the triangular waveform.

The output of the LV5693PGEVB application board is connected to the LED array, which is protected by a safety resistor. The LED array is then connected to the power supply, and the board can supply up to 600 mA of current. The output current can be set from 25mA to 600mA, depending on the user\'s needs. There is also an enable/disable line, which can be used to enable or disable the power supply.

In summary, the LV5693PGEVB application board is a versatile and easily adaptable platform for evaluating and demonstrating the performance of the LV5693PGEVB step-down LED driver. It is designed with an integrated power supply and can support input voltages up to 24V. The board features an adjustable current and a safety resistor to protect the LED array. Additionally, an enable/disable line can be used to enable or disable the power supply. The working principle of the board is based on the current mode control method, and the output current is regulated by the current amplifier circuit.

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