NCP1547 - Buck Regulator

ON Semiconductor

NCP1547 Datasheet Preview — Preview of NCP1547 PDF

Datasheet Details

Part number	NCP1547
Manufacturer	ON Semiconductor ↗
File Size	210.60 KB
Description	Buck Regulator
Datasheet	NCP1547_ONSemiconductor.pdf

NCP1547 Product details

Description

SO 8 DFN 18 PIN SYMBOL FUNCTION 1 1 BOOST The BOOST pin provides additional drive voltage to the on chip NPN power transistor. 4 VIN This pin is the main power input to the IC. 7 VSW This is the connection to the emitter of the on chip NPN power transistor and serves as the switch output to the inductor.This pin may be subjected to negative voltages during switch

Features

V2 Architecture Provides Ultra.
Fast Transient Response, Improved Regulation and Simplified Design.
Wide Operating Range: 4 V to 40 V.
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.

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Published: Apr 25, 2007 |