LPF-25-30

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LED drivers are electronic power converters or regulators that regulate the power to an LED or LED string, making sure that too much current isn’t pushed through them, which would otherwise lead to their destruction. In addition, LED drivers also serves for dimming and current control.

The LPF-25-30 is a DC/DC constant current driver primarily designed to drive light-emitting diode (LED) series strings. By reducing the design of circuitry complexity, it eliminates the need for a large transformer and complicated circuitry. This model operates on an input voltage of 3.2 - 28 VDC and provides a constant current output of up to 30 VDC. The onboard potentiometer allows adjustment of the output between 1A to 3A. This makes the LPF-2530 the perfect LED driver for applications with multiple strings and various power levels.

LPF-2530 is designed to be used in a wide range of typical LED applications, from LED spotlights, floodlights, track lighting, backlighting, high bay/low bay, panel lighting, LED signs, and edge lighting to façade lighting, and it is capable of driving up to 30 LEDs in series.

The main feature and working principle of LPF-25-30 is derived from its basic circuitry, which is based on the buck converter topology. The buck converter consists of an inductor, input and output capacitors, a switch, and a diode. It is a simple and easy to use device, as it can efficiently convert a DC voltage from its input to output. In case of the LPF-25-30, the switch is a field effect transistor (FET) with MOSFET technology, and the current fed to the device is regulated and adjusted to the desired level. The input to this device regulates the output current of the load, depending on the current demand of the application. This is also the device’s primary feature, as its high efficiency and capability to reduce circuitry design complexity and component count makes it an ideal choice for LED lighting and other applications.

The LPF-25-30 is available in both different SIP format (single in-line package) and SMD form, and it is designed to handle any operating temperature from -40 to +85°C. Moreover, the device is equipped with several features to ensure the protection of the board and minimize power losses, such as short circuit protection, over-temperature protection, ESD protection, and over-voltage protection.

In summary, the LPF-25-30 is a highly efficient and practical driver, primarily suitable for LED lighting applications and other electronics devices requiring constant current regulation. It has a very simple design schematic and is capable of adjusting and controlling up to 30 LEDs in series, making it an ideal LED driver solution.

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