LT3592IMSE#PBF

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LT3592IMSE#PBF is a PMIC - LED drivers integrating a high efficiency and high power, step-up converter, designed to extend battery life in portable applications. LT3592IMSE#PBF is also capable of driving constant-current loads such as multiple LEDs, regulated and non-regulated, as well as driving other inductive loads. As such, LT3592IMSE#PBF is commonly used in applications such as handheld device backlighting, or portable medical device display.

LT3592IMSE#PBF Application Field

LT3592IMSE#PBF application fields includes mobile device backlighting, emergency lighting, warning signs, and several auxiliary lighting applications. For mobile device backlighting, LT3592IMSE#PBF provides efficient current to a string of LEDs at AC/DC converters, thereby reducing load on batteries, extending typical backlight run-time. In emergency lighting, LT3592IMSE#PBF applications can provide continuous, regulated lighting powered from standard AC/DC sources. For warning signs, LT3592IMSE#PBF provides a regulated, high power light source from a single-step power converter, to support a variety of varying load requirements. Lastly, for auxiliary lighting, LT3592IMSE#PBF applications can provide lighting for higher power load such as a string of LED floods.

LT3592IMSE#PBF Working Principle

LT3592IMSE#PBF is a single-step, high efficiency, and high power, step-up converter that uses a switching regulator to generate a regulated output voltage. When connected to an input voltage source, the current inside the switch is increased, which causes energy to be stored in the output capacitor. This energy is then discharged into the LEDs connected to the output terminal, creating a flow of current across the circuit. This current is then regulated, thanks to the feedback loop in the circuit, ensuring a constant current flowing regardless of the input voltage.

The LT3592IMSE#PBF is also capable of driving multiple LEDs in linear or buck-boost mode, using an external resistor to program the LED current. The feedback loop of the LT3592IMSE#PBF will ensure a constant current is driven regardless of load changes. For example, if the load is increased, the feedback loop will detect this and will adjust the current through the LEDs accordingly.

Lastly, LT3592IMSE#PBF has many integrated features for enhanced reliability of the system. These features include current limiting, thermal protection, and a low input current shutdown feature. This makes LT3592IMSE#PBF an ideal solution for driving multiple strings of LEDs at constant current.

Conclusion

The LT3592IMSE#PBF is a PMIC - LED Drivers integrating a high efficiency and high power step-up converter, designed to extend battery life in portable applications. Its application fields includes mobile device backlighting, emergency lighting, warning signs, and several auxiliary lighting applications. Its working principle relies on a single-step, high efficiency, and high power switching regulator to generate regulated output voltage. Furthermore, LT3592IMSE#PBF has many integrated features for enhanced reliability of the system.

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