NCP1571 Datasheet (ON Semiconductor) - Low Voltage Synchronous Buck Controller

NCP1571, Low Voltage Synchronous Buck Controller

PACKAGE PIN # 1 2 3 4 PIN SYMBOL VCC PWRGD PGDELAY COMP Power supply input.

Open collector output goes low when VFB is out of regulation.

User must externally limit current into this pin to less than 20 mA.

External capacitor programs PWRGD low *to *high transition delay.

Error amp out

www.DataSheet4U.com NCP1571 Low Voltage Synchronous Buck Controller 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.

It contains all required circuitry for a synchronous NFET buck regulator using the V2t control method to achieve the fastest possible transient

NCP1571 Features

* http://onsemi.com 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

* Pb