LT3799IMSE-1#PBF

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PMIC - LED Drivers are widely used in various applications, such as backlighting, decorative lighting, and vehicle lighting. The LT3799IMSE-1#PBF is a constant-current LED driver that delivers adjustable LED current from 1mA to 1A with an adjustable output voltage of up to 30V. Its high efficiency and low heat dissipation make LT3799IMSE-1#PBF the ideal choice for applications that require high-efficiency LED driver solutions.

Applications of LT3799IMSE-1#PBF

The LT3799IMSE-1#PBF can be used for a variety of applications, including home and commercial lighting, as well as industrial, automotive and other outdoor lighting. It can also be used for automotive brake lights, accent and marker lights, or other applications requiring adjustable current regulation.

The LT3799IMSE-1#PBF features a wide input voltage range (6.5V to 32V) and adjustable output voltage of up to 30V, making it suitable for a wide range of applications. It also features short-circuit protection, overvoltage protection, and over-temperature protection, providing reliable operation even in harsh environments.

In addition, the LT3799IMSE-1#PBF provides adjustable output current from 1mA to 1A, which makes it very suitable for driving LEDs in any color. It also has excellent efficiency, which can reach up to 96%, allowing for longer runtimes.

Working Principle of LT3799IMSE-1#PBF

The LT3799IMSE-1#PBF utilizes a synchronous buck-boost topology to regulate the output current. It employs a high-side MOSFET and a low-side MOSFET to regulate the current through the inductor. This topology is capable of regulating the output current against varying inputs, making it highly efficient over wide operating ranges.

In addition, the LT3799IMSE-1#PBF uses a non-dimming control scheme which keeps the LED current constant regardless of the input supply or output voltage conditions. This eliminates the need for costly and complex dimming circuits and allows for a simpler and cost effective solution.

The LT3799IMSE-1#PBF also features a low-ripple current mode with a quasi-fixed frequency operation. This reduces EMI and minimizes LED flicker, making the LED appear brighter and more uniform.

Conclusion

The LT3799IMSE-1#PBF is a high-performance LED driver that is capable of delivering up to 1A of constant current at an adjustable voltage of up to 30V. It can be used for a variety of applications, including home and commercial lighting, automotive lighting, and more. Its high efficiency and low heat dissipation make it the ideal choice for applications requiring high-efficiency LED driver solutions.

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