LM3445-EDSNEV/NOPB Development Boards, Kits, Programmers

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LM3445-EDSNEV/NOPB is a high performance, wide input voltage range, high power factor (PF) and solutions for step-down LED drivers. It integrates an efficient, current mode inductor-free Buck-Boost topology, along with a precision edge-aligned PWM control system, allowing a simple and compact design along with an output current accuracy of ±1 % and superior EMI performance.

From the application field, LM3445-EDSNEV/NOPB is an ideal solution to drive a variety of general purpose LED lighting, such as illuminated snap switches and LED indicators. It provides excellent versatility which makes it easy to use in a variety of LED applications. It can work with different LED configurations, including string circuits, parallel or series-parallel circuit.

The LM3445-EDSNEV/NOPB is suitable for any application requiring an input voltage range from 6 V to 60 V. This device is ideal for educational, industrial, commercial and entertainment applications. It also uses an Adjustable Constant Current output feature, allowing the user to choose and set the current level required for their application. Furthermore, the LM3445-EDSNEV/NOPB offers multiple protection features, including under voltage lockout, over voltage protection, over-temperature protection and open loop protection.

The working principle of the LM3445-EDSNEV/NOPB can be broken down into three stages. The first stage takes in the input voltage and converts it to an intermediate node voltage, which is then regulated by the internal PWM driver. The PWM driver then takes the intermediate node voltage and uses it to control the voltage across the external switch, which in turn modulates the current going to the output. In the final stage, the current is regulated by the external switch and rises to the level required by the user.

Overall, the LM3445-EDSNEV/NOPB is a comprehensive, versatile and cost-effective solution for driving a variety of general purpose LED lighting. The wide input voltage range, high power factor and versatility make it easy to use in many applications, while its precision edge-aligned PWM control system and adjustable constant current output feature ensures an accurate and consistent output current. Its multiple protection features further guarantees its reliability in operation, making the LM3445-EDSNEV/NOPB a great choice for LED lighting applications.

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