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TPS92411DDA Datasheet(PDF) 1 Page - Texas Instruments |
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TPS92411DDA Datasheet(HTML) 1 Page - Texas Instruments |
1 / 22 page VIN RSET TPS92411 RSNS DRAIN VS VIN RSET TPS92411 RSNS DRAIN VS VIN RSET TPS92411 RSNS DRAIN VS ± + 120 VRMS TPS92411, TPS92411P www.ti.com SLUSBQ6 – OCTOBER 2013 Floating Switch for Offline AC Linear Direct Drive of LEDs with Low Ripple Current Check for Samples: TPS92411, TPS92411P 1 FEATURES SIMPLIFIED APPLICATION DIAGRAM • High-Performance Solution for Driving LEDs from AC Mains • Simplifies Design of Phase Dimmable LED Driver with High Power Factor, Low Total Harmonic Distortion, and Low Current Ripple • Suitable for LED Lamp and Luminaires up to 70 W • Input Voltage Range: 7.5 V to 100 V • Stackable 100V, 2- Ω MOSFET Building Block • Up to 350 mA Current Capability (PSOP package) • Controlled Switch Open and Close Transitions Minimize EMI • Input Undervoltage Protection • Output Overvoltage Protection (TPS92411P) • Low IQ: 200 µA (typ) APPLICATIONS • LED Lamps and Light Bulbs • LED Luminaires • Downlights DESCRIPTION The TPS92411 is a 100-V floating MOSFET switch for use in offline LED lighting applications. It is used in conjunction with a current regulator that can achieve greater than 0.9 power factor to create a LED drive solution with low-ripple current. When properly designed, solution performance is comparable to traditional flyback, buck or boost based AC/DC LED drivers. The approach requires no inductive components saving size and cost. Slew controlled low frequency operation of the TPS92411 switches creates very little EMI. Detailed operation is described in the APPLICATION INFORMATION section. Package options include SOT23-5 and PSOP-8 allowing the user to optimize for small size or scale for high power. Using the PSOP-8 package, design of LED luminaires up to 70 W is possible. Other features include a UVLO circuit to monitor when the device has sufficient voltage to operate properly and over- voltage protection (TPS92411P). 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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