onsemi NCP1571
The NCP1571 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 NCP1571−based solution is powered from 12 V with the output derived from a 2−7 V supply.FEATURES
MARKING DIAGRAM 8 8 1 SOIC−8 D SUFFIX CASE 751 1 A L Y W = Assembly Location = Wafer Lot = Year = Work Week 1571 ALYW●
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● Pb−Free Package is Available 0.980 V ± 1.0% Reference Voltage V2 Control Topology 200 ns Transient Response Programmable Soft−Start 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 Undervoltage Lockout Holds Both Gate Outputs Low 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 PIN CONNECTIONS VCC PWRGD PGDELAY COMP 1 8 GND VFB GATE(L) GATE(H) ORDERING INFORMATION Device NCP1571D NCP1571DR2 NCP1571DR2G Package SOIC−8 SOIC−8 SOIC−8 (Pb−Free) Shipping† 98 Units/Rail 2500 Tape & Reel 2500 Tape & Reel †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. © Semiconductor Components Industries, LLC, 2004 1 October, 2004 − Rev.