EVB10803_03

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The EVB10803_03 is a versatile LED driver based on the high-speed buckmode input current regulator. It integrates a buck mode control IC, N-channel MOSFET, inductor, and synchronous rectifier together in a single package, thus providing an efficient, space-saving solution for driving high intensity LEDs. Applications of the EVB10803_03 range from general purpose lighting fixtures to automotive and industrial applications.

The EVB10803_03 device utilizes a buck-mode control architecture to control the switching MOSFET, producing an efficient and cost-effective solution for controlling high intensity LED loads. The device includes an internal PWM controller that can be configured to provide constant current output, adjustable current output, or simple dimming of the LED load. The device also includes an internal voltage regulator and internal soft-start circuitry that can be used to optimize the LED current profile during startup. Additionally, the IC includes an open LED fault detection circuit that can detect an open LED condition and shut down the LED load if necessary.

The EVB10803_03 is suitable for operation in low voltage (2.5 to 21V) DC-DC power converter applications. It features a wide input voltage range, low quiescent current, and excellent load transient response. The device also provides an adjustable soft-start feature to allow the LED current to be regulated during startup, and also offers over-voltage, under-voltage and over-current protection features. The device also offers adjustable output current levels to allow the LED current to be precisely controlled.

The EVB10803_03 is designed to operate in either a constant current or constant voltage mode. In the constant current mode, the LED current can be adjusted through the output current control pin. The device can also be configured to operate in the constant voltage mode, in which the output voltage is fixed and the LED current is set by an external resistor. This configuration provides more precise control over the LED current as the voltage drop across the LED string will not vary with varying load conditions.

The EVB10803_03 is intended for use with high intensity LED lighting systems and provides several features that make it an ideal solution for such applications. With its wide input voltage range, precise current regulation, and protection features, it is an excellent choice for driving LEDs in automotive, industrial and general lighting applications. In addition, its space-saving package makes it an efficient and cost-effective solution for space-constrained applications.

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