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MC33063AVD Fiches technique(PDF) 1 Page - ON Semiconductor |
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1 / 15 page © Semiconductor Components Industries, LLC, 2010 August, 2010 − Rev. 23 1 Publication Order Number: MC34063A/D MC34063A, MC33063A, SC34063A, SC33063A, NCV33063A 1.5 A, Step-Up/Down/ Inverting Switching Regulators The MC34063A Series is a monolithic control circuit containing the primary functions required for DC−to−DC converters. These devices consist of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with an active current limit circuit, driver and high current output switch. This series was specifically designed to be incorporated in Step−Down and Step−Up and Voltage−Inverting applications with a minimum number of external components. Refer to Application Notes AN920A/D and AN954/D for additional design information. Features • Operation from 3.0 V to 40 V Input • Low Standby Current • Current Limiting • Output Switch Current to 1.5 A • Output Voltage Adjustable • Frequency Operation to 100 kHz • Precision 2% Reference • Pb−Free Packages are Available Figure 1. Representative Schematic Diagram SQ R Q2 Q1 100 Ipk Oscillator CT Comparator + - 1.25 V Reference Regulator 1 2 3 4 5 6 7 8 Drive Collector Ipk Sense VCC Comparator Inverting Input Switch Collector Switch Emitter Timing Capacitor GND (Bottom View) This device contains 79 active transistors. SOIC−8 D SUFFIX CASE 751 PDIP−8 P, P1 SUFFIX CASE 626 1 8 See detailed ordering and shipping information in the package dimensions section on page 12 of this data sheet. ORDERING INFORMATION http://onsemi.com x = 3 or 4 A = Assembly Location L, WL = Wafer Lot Y, YY = Year W, WW = Work Week G or G = Pb−Free Package 1 8 3x063AP1 AWL YYWWG 1 8 33063AVP AWL YYWWG MARKING DIAGRAMS 1 8 3x063 ALYWA G 1 8 3x063V ALYWA G 1 8 1 DFN8 CASE 488AF 33063 ALYWA G |
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