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NCV51411DR2 Datasheet(PDF) 1 Page - ON Semiconductor |
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NCV51411DR2 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 16 page © Semiconductor Components Industries, LLC, 2010 May, 2010 − Rev. 15 1 Publication Order Number: NCV51411/D NCV51411 1.5 A, 260 kHz, Low Voltage Buck Regulator with Synchronization Capability The NCV51411 is a 1.5 A buck regulator IC operating at a fixed−frequency of 260 kHz. The device uses the V2 t control architecture to provide unmatched transient response, the best overall regulation and the simplest loop compensation for today’s high−speed logic. The NCV51411 accommodates input voltages from 4.5 V to 40 V and contains synchronization circuitry. The on−chip NPN transistor is capable of providing a minimum of 1.5 A of output current, and is biased by an external “boost” capacitor to ensure saturation, thus minimizing on−chip power dissipation. Protection circuitry includes thermal shutdown, cycle−by−cycle current limiting and frequency foldback. The NCV51411 is functionally pin−compatible with the LT1375. Features • V2 Architecture Provides Ultra−Fast Transient Response, Improved Regulation and Simplified Design • 2.0% Error Amp Reference Voltage Tolerance • Switch Frequency Decrease of 4:1 in Short Circuit Conditions Reduces Short Circuit Power Dissipation • BOOST Lead Allows “Bootstrapped” Operation to Maximize Efficiency • Sync Function for Parallel Supply Operation or Noise Minimization • Shutdown Pin Provides Power−Down Option • 85 mA Quiescent Current During Power−Down • Thermal Shutdown • Soft−Start • Pin Compatible with LT1375 (SO−8 Version) • NCV Prefix for Automotive and Other Applications Requiring Site and Change Controls • Pb−Free Packages are Available SO−8 D SUFFIX CASE 751 1 8 MARKING DIAGRAMS http://onsemi.com SO−16W EP PW SUFFIX CASE 751AG 1 16 NCV51411 AWLYYWWG 1 16 51411 ALYWE G 1 8 18−LEAD DFN MN SUFFIX CASE 505 1 NCV51411 AWLYYWW G G 118 18 A = Assembly Location L, WL = Wafer Lot Y, YY = Year W, WW = Work Week E = Automotive Grade G or G = Pb−Free Package (Note: Microdot may be in either location) See detailed ordering and shipping information in the package dimensions section on page 13 of this data sheet. ORDERING INFORMATION |
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