MP2481DH-LF-P Integrated Circuits (ICs)

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The MP2481DH-LF-P is a single-channel, low-noise, externally compensated linear current regulator that’s capable of stabilizing, controlling and regulating the current through LEDs for a range of lighting applications such as indoor, outdoor, automotive and industrial. The regulator’s small size and range of features enable it to be an energy-efficient, low-cost solution for LED lighting. It’s a true linear-control device, meaning it can maintain a consistent performance regardless of changes in the input voltage or temperature. This in turn helps to improve the overall efficiency and lifetime of the LED system.

The MP2481DH-LF-P is an ideal solution for applications that require a stable and controllable LED current. It is capable of delivering a constant LED current of up to 600mA and is extremely flexible with a wide current range of 5A to 800mA. It also has the capability to regulate up to ten LEDs when used with the corresponding regulator driver. The combination of its small size, low-noise performance, and competitive price make the MP2481DH-LF-P an attractive solution for a wide range of LED applications.

MP2481DH-LF-P’s working principle is based on the principle of linear control. This means that the regulator maintains an optimal LED current despite varying input voltages or temperatures. The regulator is able to stabilise and control LED current with low noise and high efficiency. To help maintain a consistent performance, the MP2481DH-LF-P uses an external current sensing resistor. This is connected between the output of the regulator and ground, and a voltage drop across it is used to calculate the LED current. The output current is then linearly adjusted to maintain a constant current regardless of the changes in the input voltage or temperature.

Unlike switched-mode regulators, linear-control devices, such as the MP2481DH-LF-P, have low switching noise and lack of significant thermal gradients. This helps to maintain a consistent performance, improving system reliability and lifetime. The regulator also has a variety of safety features, including over-voltage, under-voltage, over-temperature and over-current protection. This helps to ensure that the regulator and the LEDs remain safe in the event of an unexpected change in the input voltage or temperature.

The MP2481DH-LF-P is a versatile regulator that offers a low-noise, high-efficiency and cost-effective solution for lighting applications. It enables designers to easily stabilise, regulate and control the current through LEDs for optimal performance. Thanks to its small size and low-noise performance, it is ideal for a wide range of LED lighting applications, including indoor, outdoor, automotive and industrial.

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