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NCL30030 Datasheet(PDF) 1 Page - ON Semiconductor |
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NCL30030 Datasheet(HTML) 1 Page - ON Semiconductor |
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1 / 32 page  © Semiconductor Components Industries, LLC, 2015 March, 2015 − Rev. 1 1 Publication Order Number: NCL30030/D NCL30030 Combination Power Factor Correction and Quasi-Resonant Flyback Controllers for LED Lighting This combination IC integrates power factor correction (PFC) and quasi−resonant flyback functionality necessary to implement a compact and highly efficient LED driver for high performance LED lighting applications. The PFC stage utilizes a proprietary multiplier architecture to achieve low harmonic distortion and near−unity power factor while operating in a Critical Conduction Mode (CrM). The circuit incorporates all the features necessary for building a robust and compact PFC stage while minimizing the number of external components. The quasi−resonant current−mode flyback stage features a proprietary valley−lockout circuitry, ensuring stable valley switching. This system works down to the 4th valley and toggles to a frequency foldback mode with a minimum frequency clamp beyond the 4th valley to eliminate audible noise. Skip mode operation allows excellent efficiency in light load conditions while consuming very low standby power consumption. Common General Features • Wide VCC Range from 9 V to 30 V with Built−in Overvoltage Protection • High−Voltage Startup Circuit • Integrated High−Voltage Brown−Out Detector • Fault Input for Severe Fault Conditions, NTC Compatible (Latch and Auto−Recovery Options) • 0.5 A / 0.8 A Source / Sink Gate Drivers • Internal Temperature Shutdown PFC Controller Features • Critical Conduction Mode with a Multiplier • Accurate Overvoltage Protection • Optional Bi−Level Line−Dependent Output Voltage (2:1 / 1.77:1 Versions) • Fast Line / Load Transient Compensation • Boost Diode Short−Circuit Protection • Feed−Forward for Improved Operation across Line and Load • Adjustable PFC Disable Threshold Based on Output Power QR Flyback Controller Features • Valley Switching Operation with Valley−Lockout for Noise−Free Operation • Frequency Foldback with Minimum Frequency Clamp for Highest Performance in Standby Mode • Minimum Frequency Clamp Eliminates Audible Noise • Timer−Based Overload Protection (Latched or Auto−Recovery options) • Adjustable Overpower Protection • Winding and Output Diode Short−Circuit Protection • 4 ms Soft−Start Timer • These are Pb−Free Devices Typical Applications • High Power LED Drivers • Commercial LED ballasts • LED Signage Power Supplies • Adapters • Open Frame Power Supplies • LED Electronic Control Gear MARKING DIAGRAM www.onsemi.com See detailed ordering and shipping information on page 31 of this data sheet. ORDERING INFORMATION SOIC−16 NB MISSING PIN 2 CASE 751DT NCL30030 = Specific Device Code x = A or B y = 1, 2 or 3 A = Assembly Location WL = Wafer Lot Y = Year WW = Work Week G = Pb−Free Package 116 PFB GND PCS/PZCD PDRV QDRV QCS VCC QZCD BO/HV MULT PControl PONOFF QCT Fault QFB |
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