GP8211 Datasheet (data sheet) PDF





GP8211 Datasheet, High Power Factor & Accuracy Constant Current LED Driver

GP8211   GP8211  

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G8211/GP8211 High Power Factor & Accura cy Constant Current LED Driver Descrip tion Application The G8211 is a highl y-integrated, low startup current, aver age current mode, one cycle control PFC and fixed switching frequency PWM cont roller. These functions enable the LED driver to easily meet the accuracy aver age LED current and high power factor r equirements. The integrated functions a lso include the LED short protection, o pen protection, and internal over tempe rature protection. The COMP pin control s the duty by connected an RC compensat ion network to ground and forming the c losed loop feedback control. To protect the external power MOSFE

GP8211 Datasheet, High Power Factor & Accuracy Constant Current LED Driver

GP8211   GP8211  
T from being damaged by supply over volt age, the G8211 OUT pin voltage is clamp ed to about 12V. The G8211 improves the performance and reduces the cost of th e LED driver. • LED Off-line Lamps High Voltage DC-DC LED Driver • Si gnage and Decorative LED Lighting • B ack Lighting of Flat Panel Displays • General Purpose Constant Current Sourc e Features • High Power Factor by On e Cycle Control • Accuracy Constant C urrent • Low BOM Cost • Linear Dimm ing on DIM Pin • Average Current / Fi xed Frequency Control • Gate Output V oltage Clamp • LED Open Protection (O VP) • LED Short Protection (SCP) • Over Current Protection (OCP) • Inter nal OTP Protection Ordering Informatio n Device G8211 GP8211 Marking G8211 G P8211 Package 8-SOP 8-DIP 8-SOP 8-DI P Rev.1 - 1 - Jul. 2014 G8211/GP8211 Block Diagram VCC CS COMP 15V/8V Internal Bias & Vref 31.5V VCC OVP 40 us debounce Over-temperature OTP Prote ction OCP 0.8V Vref OK VCC OK Protecti on DIM V-V VREF Current Waveform modu lation Dimming Function OSC GND Abso lute Maximum Ratings All Blocks EN RQ R S Driver Stage OUT Symbol Parame ter VCC Supply Voltage VIN VOUT INPU T Voltage (DIM, CS, COMP) OUTPUT Voltag e TJ TA TSTG θJA Pd Operating Juncti on Temperature Operating Ambient Temperature Range Storage Temperature Range Packa








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