LP8860EQVFPRQ1 Integrated Circuits (ICs)

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The LP8860EQVFPRQ1 from TI is a high quality LED driver with a wide range of applicability. It belongs to the PMIC – LED Drivers category and is primarily used for LED applications. It has an integrated high-efficiency DC-DC converter with a switcher capable of delivering up to 300mA of continuous current. The switcher has a low quiescent current of only 1.6mA, making it ideal for portable applications where power efficiency is paramount.

The LP8860EQVFPRQ1 comes with a high-side current regulation, dimming control, on/off control, and thermal shutdown. It can be used in various applications such as LED panel lighting, LED to LED lighting, LED backlight, LED TV backlight, LED street lighting, and LED automotive lighting, among others.

The LP8860EQVFPRQ1 is efficient and has a low output voltage ripple. It operates from 6V to 60V input voltage and its output voltage range is from 4V to 42V. The driver features constant-voltage and constant-current operation profile for improved versatility. It has a high efficiency up to 98%, and a low ESR to ensure stable operation at high load currents.

The application field of the LP8860EQVFPRQ1 encompasses a wide range of illumination applications from low-power white LEDs to high-power outdoor commercial lighting. The simple yet powerful design of the driver makes it suitable for both indoor and outdoor lighting applications. This driver also offers a wide array of dimming control options, allowing it to be used in a variety of dimmable LED fixtures.

The working principle of the LP8860EQVFPRQ1 consists of the application of an internal high-side N-MOSFET switch. The switch is then connected to a buck-switcher, which provides the power conversion. The device further contains an internal current-sense amplifier which monitors the current flow across its load and adjusts the output voltage accordingly. The output voltage of the device is adjustable as per the level of current flowing through the load. It can also protect the load from short circuits, over-current, or over-temperature conditions.

In conclusion, the LP8860EQVFPRQ1 is an efficient and versatile LED driver solution for a variety of illumination applications. It features a high-efficiency DC-DC converter, a low quiescent current, and an adjustable output voltage for improved efficiency. It also offers a wide range of dimming control options and protection from short circuits, over-current, and over-temperature conditions, making it ideal for a variety of LED lighting solutions.

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