The MAX16841 LED driver is designed to drive lamps with AC (100V, 120V, 220V, and 230V AC) input. The device uses a proprietary input current control architecture that allows smooth adjustment of lamp brightness from maximum to zero light intensity and provides active power factor correction. The highly flexible product design can be used to build isolated (flyback) and non-isolated (buck) configurations, both of which provide precise output current without the need for an optocoupler. The device uses a fixed-frequency control technique to operate in conduction mode with the lowest total conduction and switching losses, ensuring the highest conversion efficiency at both lower and higher AC voltages. The device can be configured to operate in universal input (90V to 264V AC) dimmable applications, supporting dimmable LED designs worldwide. The product can eliminate the use of electrolytic capacitors, effectively extending the life of the lamp; in this case, the LED current is a rectified sine wave with a frequency twice that of the AC input. The device features thermal shutdown protection, current limiting, open-LED protection, and VCC undervoltage lockout. It operates over the -40°C to +125°C temperature range and is available in an 8-pin SO package.
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