LM3410YQMF/NOPB Integrated Circuits (ICs)

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Physical layout integration products are essential components of developing energy efficient products. For lighting related applications, the LM3410YQMF/NOPB is one of the most popular integrated circuit solutions available. It is a monolithic, high voltage switching regulator, specifically designed to drive high-power Light Emitting Diodes (LEDs). The LM3410YQMF/NOPB is part of the PMIC (Power Management IC) family and part of the LED drivers category.

The LM3410YQMF/NOPB is a high efficiency, constant current buck regulator that features an adjustable switch current limit, a PWM dimming control, 3V to 70V input voltage range, and protection from over temperature and short circuit. By monitoring the feedback voltage and LED current, it can also provide a programmable dynamic LED current limiting that allows a safe user experience.

The broad input voltage range allows the LM3410YQMF/NOPB to be used in applications with different input sources, such as low and high end AC/DC adapters and automotive applications. The IC is composed of an internal voltage regulator, MOSFET, inductor, and associated components.

The LM3410YQMF/NOPB can be used to not only provide light but also indicate the status of the product. The LED driver provides LED current control with over-current protection, fast output current changes with low differential voltage drop, and can contain a low voltage drive circuit for driving an LED indicator with additional inputs from the user.

The LM3410YQMF/NOPB can drive multiple LEDs from one device, making it ideal for automotive applications, backlights, and LCD displays. The device’s minimum output current step size is 33mV and the reference voltage accuracy is ±1%.

The device provides programmable peak current limit of 16A and the output current can be adjusted with a ground reference voltage that ranges from 0V to 1.275V. The switching frequency of the device is adjustable up to 500kHz, allowing the LEDs to be driven with high intensity and power efficiency.

The very low shutdown current of 0.005mA allows the LM3410YQMF/NOPB to be used in energy efficient applications. The device also features low on-state resistance, lower EMI compared to PWM designs, an adjustable soft start and a hysteretic over temperature shutdown.

In summary, the LM3410YQMF/NOPB is a highly efficient and reliable device for driving LEDs. It features a wide input voltage range, programmable current limit, dynamic current limit, and very low shutdown current, making it ideal for a variety of lighting applications.

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