LM3405XMKX/NOPB

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Integrated power management integrated circuits (PMICs) offer one stop shop solutions to today’s ever changing system needs. The Texas Instruments LM3405XMKX/NOPB is an ideal driver for high-efficiency LED applications requiring precise, single-stage AC/DC conversion. It features improved efficacy, a wide range of operation and is cost-effective, enabling seamless integration into the overall system.

The LM3405XMKX/NOPB belongs to the LED Drivers’ Power Management IC (PMIC) category. LED drivers manage the power supplied to LED lighting. They ensure that the LED lighting system is stable, efficient and delivers the perfect amount of voltage, current and power. LED drivers are designed to last the life of the LED lighting system and are designed to be reliable and efficient, an ideal choice for the energy-conscious.

The LM3405XMKX/NOPB provides a high-efficiency, single-stage AC/DC LED lighting solution and is ideal for high-voltage applications such as general illumination and industrial lighting. The LM3405XMKX/NOPB combines a controller, a high-voltage MOSFET, and a voltage doubler all in one package. This helps reduce part count and complexity. The sample dimming provides variable brightness control, and a very low quiescent current in-line power saves energy. It is available in a wide range of voltages from 15V to 75V.

The LM3405XMKX/NOPB is a single-stage controller for high-voltage LED applications. It combines a controller, a high-voltage MOSFET, and a voltage doubler all in one package. The LM3405XMKX/NOPB enables efficient LED lighting and also delivers accuracy, as well as high-power density. It also has an integrated power factor correction (PFC) feature, which eliminates the need for an external PFC transformer, reducing the overall system cost. Additionally, the device offers several safety features, such as over voltage, over temperature and short-circuit protections.

The LM3405XMKX/NOPB operating principle is based on the following major components: The step-down converter with voltage feedback and PFC control, the high-voltage power MOSFET, the voltage doubler, and the over voltage, under voltage and over temperature protection circuitry. The PFC controller provides high efficiency and low power loss due to their ability to directly convert AC voltage into DC voltage. The voltage doubler reduces the switch frequency and increases the efficiency at high input voltages. The high-voltage power MOSFET enables the conversion from AC to DC with low voltage drop, high efficiency and low weight.

The LM3405XMKX/NOPB is widely applicable for high-efficiency LED lighting. Additionally, it has low quiescent current consumption and provides fast start-up time and dimmable features, making it suitable for a wide range of applications that include street lighting, architectural lighting, and industrial lighting. Its wide operating voltage range, high efficiency, and flexibility make it a perfect choice for these applications.

In conclusion, the LM3405XMKX/NOPB is an ideal driver for high-efficiency LED applications requiring precise, single-stage AC/DC conversion. It integrates a controller, voltage doubler, high-voltage MOSFET and safety features, enabling increased efficiency and improved system performance. The device offers a wide range of voltages and has a low quiescent current consumption, making it a great choice for LED lighting applications that require energy optimization. 

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