LM3410XMYX/NOPB

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The LM3410XMYX/NOPB Power Management Integrated Circuit (PMIC) is a combination of a linear current regulator, a boost converter, and a load switch specifically designed for driving high power LEDs from input voltages as low as 2.6V. This highly integrated device combines all of the necessary functions to regulate the current in the LED to a programmed level without the need for a microcontroller. The LM3410XMYX/NOPB is ideally suited for driving LEDs in small to medium sized backlighting applications, such as LCD panels and industrial displays.

The LM3410XMYX/NOPB integrates a low dropout (LDO) linear regulator, a high efficiency boost converter, and a high side load switch into one package. The LDO regulator provides an adjustable positive output voltage to drive the LEDs. The boost converter is a voltage-to-current converter that takes a relatively low input voltage and produces a much higher output current, allowing for nearly constant current drive to the LEDs. The load switch ensures that the LEDs are correctly turned off when the input voltage goes below the minimum operating voltage. The LM3410XMYX/NOPB also includes an integrated Soft-Start feature and thermal protection to extend the life of the LEDs as well as other features that have been designed to minimize external component count and simplify the design process.

The LM3410XMYX/NOPB is designed to operate over a wide input voltage range, from 2.6V to 5.5V, and it can drive LED current up to 350mA. The output voltage is adjustable from 0.9V to 3.2V, and the LED current is adjustable with an external resistor. The LM3410XMYX/NOPB has been designed to minimize power dissipation, and it can operate in either PWM or DC operation. It also offers protection against overvoltage, undervoltage, overcurrent, and overtemperature.

The LM3410XMYX/NOPB is an ideal solution for LED backlighting applications that require high efficiency, high accuracy, and low power dissipation. The device is packaged in a tiny 4x4mm QFN package that is perfect for applications with limited PCB space. The LM3410XMYX/NOPB is a simple, cost effective solution for driving high power LEDs in a wide range of applications such as LCD backlighting, industrial display backlighting, automotive dashboard lighting, and general illumination.

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