3021-A-N-350

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Introduction to LED Drivers

LED drivers are a type of power supply that is used to regulate and convert the current of an electrical circuit in order to drive LEDs. An LED driver is a power supply that provides power to an LED based on its required current and voltage. A good LED driver should be able to provide the necessary current, voltage and power levels while maintaining accuracy across different lighting levels, temperature and operating conditions.

3021-A-N-350 Application Field and Working Principle

The 3021-A-N-350 is a LED driver used for Indoor Lighting. The 3021-A-N-350 has a high accuracy of ±2%, which makes it ideal for a variety of applications. It is designed for LED arrays with operating temperatures from -25°C to 85°C, superior ripple suppression, and high power efficiency. The driver has a wide constant voltage (CV) range of 28-59V and a constant current (CC) range of 0-2000mA. The driver is also flame-retardant and provides over-voltage and over-current protection.

The working principle of the 3021-A-N-350 LED driver is based on a standard boost or buck transformer topology. The principles of voltage regulation, current regulation, and impedance regulation are used to ensure that the LED driver produces a consistent level of power and current to the LED array. The current is regulated through the use of a series of diodes and resistors which convert the input into a suitable output current. The buck transformer reduces the input voltage to a more manageable level depending on the current required. The over-voltage protection is achieved through a special MOV circuit that triggers the on-chip current limit and protects the drive circuit and LEDs from excessive voltage. The output voltage and current accuracy is achieved through the constant current circuit and output voltage is adjustable. The 3021-A-N-350 is designed to withstand extreme temperatures, as well as over-voltage and over-current components to ensure proper functioning and long life.

Conclusion

The 3021-A-N-350 LED driver is a highly efficient and reliable power supply for LED arrays. The high accuracy in current and voltage, as well as its wide CV range, allows for a versatile range of applications. The 3021-A-N-350 is designed to operate over extreme temperature ranges and provide over-voltage and over-current protection to ensure proper functioning and long life. The LED driver is flame-retardant and provides a stable, consistent level of power and current to LED arrays.

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