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SCY99080CDWR2G Datasheet(PDF) 1 Page - ON Semiconductor |
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SCY99080CDWR2G Datasheet(HTML) 1 Page - ON Semiconductor |
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1 / 27 page  © Semiconductor Components Industries, LLC, 2009 July, 2009 − Rev. 0 1 Publication Order Number: DDA002C/D Customer Specific Device from ON Semiconductor High Performance Switch-Mode Power Supply Controller for Backlight and LLC Converters The DDA002C controller hosts a high performance circuitry dedicated to driving half−bridge topologies, such as lamp ballasts for backlighting applications or resonant converters like the LLC circuit. The controller includes everything needed to build a reliable and rugged converter, including a pre−heating period and various protections such as an adjustable brown−out, for instance. Both, minimum and maximum switching frequencies, are adjustable by single pull down resistor, offering the ability to operate between 30 kHz and 500 kHz. The controller includes a high−voltage driver that simplifies the design of the half−bridge configuration due to direct connection to the upper−side MOSFET. To avoid large shoot−through currents, the circuit includes a deadtime generator whose duration can be easily adjusted externally. Finally, two additional ground−referenced outputs allow the implementation of full−bridge applications. Features • High−Frequency Operation from 30 kHz up to 500 kHz • Selectable Minimum Switching Frequency • Adjustable Deadtime from 100 ns to 2 ms • 100 ms Delayed Startup for PFC Stage Stabilization • Adjustable Preheating Timer via External Capacitor • Startup Sequence via Adjustable Soft−Start • 600 V High−Voltage Floating Drivers • Synchronized Low−Current Outputs for Full Bridge Applications • Adjustable Maximum On−Time Clamp for Synchronization Outputs • Brown−Out Protection for Easier PFC Association • Delayed Open−Loop Protection • Latched Input for Severe Fault Conditions, e.g. Over Current • Secondary Latched Input for Over Temperature Protection • Auto−Recovery Enable Input • VCC Operation up to 20 V • Low Startup Current of 300 mA • 0.5 A / 0.25 A Peak Current Sink / Source Drive Capability, Respectively • Internal Temperature Shutdown • SO19W package • These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant Typical Applications • Flat Panel Display Power Converters • LLC Converters Control for LCD/Plasma TVs • HCFL / CCFL Backlight Inverters PIN CONNECTIONS MARKING DIAGRAMS DDA002C = Specific Device Code A = Assembly Location WL = Wafer Lot YY = Year WW = Work Week G = Pb−Free Package SOIC−19, LESS PIN 17 D SUFFIX CASE 752AA DDA002C AWLYYWWG See detailed ordering and shipping information in the package dimensions section on page 26 of this data sheet. ORDERING INFORMATION *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. Boot Hgd HB Vcc Lgd Gnd Hgs Lgs EN2 BO CIG Dgs SS R_Fmin R_Fmax FB OTP_latch DT EN1 DDA002C DDA002C |
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