LT3466EDD-1#PBF

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PMIC (Power Management Integrated Circuit) -LED Drivers contributes to thecontinuous development of lighting solutions and other optical solutions. The LT3466EDD-1#PBF driver is a versatile dual-channel synchronous step-down current source designed to drive two strings of series-connected LEDs from a 3V to 40V input supply. With 5mA to 500mA and adjustable switching frequency of up to 1MHz, the LT3466EDD-1#PBF can provide an efficient and highly featured LED driver solution.

Application Field and Working Principle of LT3466EDD-1#PBF LED Driver

The LT3466EDD-1#PBF LED driver is capable of running up to 1MHz, which makes it suitable for applications such as lamps and LED projectors. It is designed to maintain a constant current by sensing the voltage across a current-sense resistor. The high switching frequency allows for high efficiency and small external components. Additionally, the LT3466EDD-1#PBF has adjustable over-temperature and over-current protection to ensure safety and reliability.

The LT3466EDD-1#PBF driver has a two-channel controller, which can be used to drive two strings of series-connected LEDs. The two channels can be independently controlled, allowing for the configuration of different light sources, such as square and linear dimming schemes. In addition, the LT3466EDD-1#PBF includes an optional PWM dimming input that can be used to control the brightness of the LEDs.

When powered up, the LT3466EDD-1#PBF driver increases the current flow to the LEDs until the voltage across the current-sense resistor reaches a certain level. At this point, the driver switches to a constant-current mode and regulates the current to maintain a constant current to the LEDs. The switching frequency is set by an external resistor and is adjustable up to 1MHz.

The LT3466EDD-1#PBF driver is designed for applications that require high efficiency, such as the lighting and optical solutions. It can be used to drive up to two strings of series-connected LEDs, and offers adjustable switching frequency, adjustable over-temperature and over-current protection, and optional PWM dimming control. This makes it a versatile and cost-effective LED driver solution.

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