LM3402MM

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The LM3402MM is an integrated circuit specifically designed for use in applications that involve LED lighting. It is a highly efficient driver, capable of delivering up to 18 Watts of LED power with up to 93% efficiency. The integrated LED driver features a synchronous boost converter that operates at a fixed frequency and provides 0.1% reference accuracy. This ensures reliable and stable output power, while reducing power losses due to component variation. The internal voltage feedback and current monitor monitors output current and adjusts the output voltage accordingly. The integrated circuit is also capable of monitoring temperature, automatically adjusting the LED current to regulate its temperature. This reduces power dissipation and improves the system efficiency.

The LM3402MM LED driver also offers a wide input voltage range, allowing for it to be used in a variety of applications. It also offers adjustable current over temperature protection, adjustable current output, and PWM dimming control. In addition, the integrated circuit offers open- and short-circuit protection and overvoltage protection. The current overload protection and undervoltage lockout provide additional protection against unexpected events.

The LM3402MM LED driver is comprised of two main parts: a control circuit and an output circuit. The control circuit contains an oscillator, comparators, and input/output stages, and is responsible for regulating the output voltage according to the demand. The output circuit is made up of a power transistor, an inductor, and an output diode. The output transistor takes the current from the voltage source and drives the inductor to create a magnetic field, while the output diode becomes a rectifier to rectify the current from the inductor and provide the output voltage.

The LM3402MM LED driver is a highly efficient, robust, and reliable driver for applications such as automotive, industrial, and medical lighting. It is designed to provide superior thermal performance, and its small footprint makes it a preferred choice for many applications. The integrated circuit can also be used in conjunction with other integrated circuits to further simplify the system design. By utilizing the LM3402MM LED driver, designers can achieve more efficient and reliable lighting for applications requiring greater output power.

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