LT3746IUHH#TRPBF

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PMIC (power management integrated circuit) is an integrated circuit that is widely used in modern electronic devices to manage the voltage and current of its power supply. The LT3746IUHH#TRPBF is a state-of-the-art PMIC for driving LEDs. Its application field is mostly in ultra-thin mobile devices with low power consumption, as well as in high-power applications. It has a wide range of features to optimize performance, reduce current consumption and extend battery life.

The LT3746IUHH#TRPBF is a highly integrated current-controlled LED driver. It features a step-down DC/DC converter, an advanced current regulation loop, and a high frequency (up to 32MHz) oscillator for pulse width modulation (PWM) control of LED brightness. It also comes with several safety features to protect the LED and its driver against over-voltage, over-current, and short circuit conditions.

The LT3746IUHH#TRPBF has a built-in clock generator and programmable PWM enable/disable pins to control the LED brightness. The load current can be adjusted through an external resistor or with an integrated digital potentiometer, depending on the application. A soft-start feature is also included to reduce inrush current during start-up, making the LED driver very robust and reliable even under high load conditions.

The working principle of the LT3746IUHH#TRPBF LED driver is based on a constant current control loop. A feedback signal from the LED is used to regulate the load current, and an integrated PWM generator is used for dimming control. The closed-loop control ensures that the LED is always operated at its optimal brightness level, and it also protects the LED from over-voltage, over-current and short circuit conditions.

The LT3746IUHH#TRPBF is an ultra-efficient LED driver, with an efficiency of up to 95% even under full load. It supports up to 35V input voltage, and can drive up to 1A of current. It also provides precise current regulation and dimming control, and can operate up to 32MHz in PWM mode. All these features make the LT3746IUHH#TRPBF an ideal PMIC for high-power LED applications.

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