BP2808 LED constant current control scheme

BP2808 is a constant current control chip that drives LEDs. Working range from 30V to 450V, duty cycle is from 0-100%. Support for 85V-265V input, mainly applied to non-isolated LED drive systems. BP2808 constant current control method for use of patented technology, so that the LED current varies by less than ± 5% from the range of 85V-265V AC. BP2808 The patented system architecture, such that the LED fluorescent lamp of 18W in the embodiment, in the range of 85V-265V AC system efficiency higher than 90% in the range of 85V-265V AC, the LED array can be driven from the BP2808 3W to 36W, and widely used in E14 / E27 / PAR30 / PAR38 / GU10 LED fluorescent lamp and other lamp cup. BP2808 with multiple LED protection features include open LED protection, LED short circuit protection, over-temperature protection. When the system failure occurs, power system protection state until the fault is removed, the system enters the normal operating mode again. BP2808 using SOP8 package. Application LED Tube E14 / PAR30 / PAR38 / GU10 / E27 LED spotlight LED projection lamp LED lights LED landscape Feature 1.1882 working range of 30V to 450V DC input voltage, 85V-265V AC input support 2.1882 duty cycle from 0-100% 3.1882 output current up to 700MA, ± 5% output current accuracy 4> Up to 93% efficiency 5>LED short circuit protection 6>LED open circuit protection 7> LED multiplexing analog dimming and PWM dimming DIM pin 8.1882 constant current output control method adjustable technology zone Typical voltage topology application in automotive system How to modify the modified control of the controlled switch regulated power supply by adjustable DC-DC How to wiring the three-terminal regulator tube and method Triple-end regulator tube model voltage regulation value and details ADI Push Power By LinearTM LT8603 can accept 42V input voltage

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