LM3466MRX/NOPB Integrated Circuits (ICs)

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The LM3466MRX/NOPB is a highly versatile LED driver designed to drive constant-current LED strings with up to 33V in buck configuration or with up to 40V in boost configuration. It is compatible with a wide variety of LED sources and is capable of driving up to 8 LEDs in parallel. This LED driver is especially suited for LED sources requiring constant current operation such as LED backlighting, LED MR lamps and LED strips.

The LM3466MRX/NOPB is a monolithic constant current LED driver for high voltage LED applications. It features a high efficiency buck-boost converter, adjustable peak current and power-up sequencing functionality. The LM3466MRX/NOPB can be used to drive high current loads while maintaining high efficiency and low heat dissipation. It can be used as a standalone controller or with an external PWM signal.

The LM3466MRX/NOPB operates in either buck or boost topology and has a PSRR of >40dB, which makes it suitable for driving LEDs in noisy environments such as those found in factory and automotive settings. The LM3466MRX/NOPB is also capable of pulsing LEDs with adjustable power-up/down sequencing from 0.25s to 2s. This level of programmability allows for custom LED lighting solutions when used in conjunction with external components.

The LM3466MRX/NOPB features protection against LED open circuit, LED short circuit and LED overvoltage, as well as over temperature protection. An adjustable output envelope LED current limiter is also included, which allows the user to limit the maximum LED current and protect the device in the event of an LED string failure.

The LM3466MRX/NOPB is designed to be used in a wide variety of LED applications, such as automotive lights, LED TV backlighting, LED MR lamps, LED strips and signs. It is a highly efficient and robust LED driver solution with programmable features ideal for achieving custom LED lighting solutions.

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