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NCP1573 Datasheet(PDF) 1 Page - ON Semiconductor |
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NCP1573 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 17 page © Semiconductor Components Industries, LLC, 2006 July, 2006 − Rev. 4 1 Publication Order Number NCP1573/D NCP1573 Low Voltage Synchronous Buck Controller The NCP1573 is a low voltage buck controller. It provides the control for a DC−DC power solution producing an output voltage as low as 0.980 V over a wide current range. The NCP1573−based solution is powered from 12 V with the output derived from a 2−7 V supply. It contains all required circuitry for a synchronous NFET buck regulator using the V2™ control method to achieve the fastest possible transient response and best overall regulation. NCP1573 operates at a fixed internal 200 kHz frequency and is packaged in an SO−8. This device provides Power Good with delay and built−in adaptive non−overlap. Features • 0.980 V ± 1.0% Reference Voltage • V2 Control Topology • 200 ns Transient Response • Power Good • Programmable Power Good Delay • 40 ns Gate Rise and Fall Times (3.3 nF Load) • Adaptive FET Non−Overlap Time • Fixed 200 kHz Oscillator Frequency • On/Off Control Through Use of the COMP Pin • Overvoltage Protection through Synchronous MOSFETs • Synchronous N−Channel Buck Design • Dual Supply, 12 V Control, 2−7 V Power Source Device Package Shipping ORDERING INFORMATION NCP1573D SO−8 98 Units/Rail NCP1573DR2 SO−8 2500 Tape & Reel SO−8 D SUFFIX CASE 751 A = Assembly Location L = Wafer Lot Y = Year W = Work Week GATE(H) COMP 1 8 GATE(L) PGDELAY VFB PWRGD GND VCC PIN CONNECTIONS AND MARKING DIAGRAM 1 8 http://onsemi.com |
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