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CS51413EMNR2G 数据表(PDF) 1 Page - ON Semiconductor |
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CS51413EMNR2G 数据表(HTML) 1 Page - ON Semiconductor |
1 / 20 page © Semiconductor Components Industries, LLC, 2007 September, 2007 - Rev. 18 1 Publication Order Number: CS51411/D CS51411, CS51412, CS51413, CS51414 1.5 A, 260 kHz and 520 kHz, Low Voltage Buck Regulators with External Bias or Synchronization Capability The CS5141X products are 1.5 A buck regulator ICs. These devices are fixed-frequency operating at 260 kHz and 520 kHz. The regulators use the V2 ™ control architecture to provide unmatched transient response, the best overall regulation and the simplest loop compensation for today's high-speed logic. These products accommodate input voltages from 4.5 V to 40 V. The CS51411 and CS51413 contain synchronization circuitry. The CS51412 and CS51414 have the option of powering the controller from an external 3.3 V to 6.0 V supply in order to improve efficiency, especially in high input voltage, light load conditions. 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 CS51411 and CS51413 are functionally pin-compatible with the LT1375. The CS51412 and CS51414 are functionally pin-compatible with the LT1376. Features • V2 Architecture Provides Ultrafast 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 Lead Provides Power-Down Option • 85 mA Quiescent Current During Power-Down • Thermal Shutdown • Soft-Start • Pin-Compatible with LT1375 and LT1376 • Pb-Free Packages are Available 5141x = Device Code x = 1, 2, 3 or 4 A = Assembly Location L, WL = Wafer Lot Y, YY = Year W, WW = Work Week y = E or G G = Pb-Free Package SOIC-8 D SUFFIX CASE 751 1 8 MARKING DIAGRAMS ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 18 of this data sheet. http://onsemi.com 5141x ALYWy G 1 8 1 18 18-LEAD DFN MN SUFFIX CASE 505 CS5141xy AWLYYWW G G 118 |
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