Arthur Wright Technology has introduced the AX2020 high-brightness LED driver IC. The AX2020 is an LED driver IC constructed in a continuous current mode. The input voltage range can range from a minimum of 8 volts to a maximum of 32 volts. The internal pulse-switching frequency is 1MHz DC buck LED driver IC. The output current can be up to 1 amp. It can drive one or more LEDs connected in series and parallel. The driving constant current size can be adjusted according to the needs of the application.
The AX2020 application provides 5000:1 dimming function and stable operating current. The dimming frequency can be up to 50KHz. The AX2020 has complete system protection functions: Thermal Shutdown, when the IC chip temperature exceeds 150°C, The IC will enter the temperature protection state and stop the current output. When the temperature is lower than 120 °C, the IC will return to the working state, and the AX2020 has an operating efficiency of 95%. The excellent circuit design makes it particularly suitable for application. MR11, MR16 and other LED lamps.
The AX2020 uses the standard SOT89-5L lead-free package. The small size and few external components can significantly reduce the printed circuit board area and high efficiency, which can significantly reduce the surface temperature of IC components to meet customer needs.
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