NCP1571 Datasheet PDF - ON Semiconductor Low Voltage Synchronous Buck Controller Specs

NCP1571 - Low Voltage Synchronous Buck Controller

Datasheet Summary

Description

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.

high transition delay.

Features

http://onsemi. com.

Datasheet Details

Part number	NCP1571
Manufacturer	ON Semiconductor
File Size	134.83 KB
Description	Low Voltage Synchronous Buck Controller
Datasheet	NCP1571 Datasheet
Additional preview pages of the NCP1571 datasheet.

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Full PDF Text Transcription

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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 response and best overall regulation. NCP1571 operates at a fixed internal 200 kHz frequency and is packaged in an SOIC−8. This device provides undervoltage lockout protection, Soft−Start, Power Good with delay, and built−in adaptive non−overlap.

Published: Jan 16, 2007 |