A3950 データシートの表示（PDF） - Allegro MicroSystems

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A3950

DMOS Full-Bridge Motor Driver

Allegro MicroSystems 

Preliminary Data Sheet

Subject to Change without Notice

November 4, 2005

A3950

DMOS Full-Bridge Motor Driver

Timing Diagram: Overcurrent Control

VOUTA

VOUTB High-Z

IPEAK

IOUTx IOCP

ENABLE,

Source

or Sink

BLANK

Charge Pump

Counter

NFAULT

tBLANK

Motor lead

short condition

tOCP

Normal dc

motor capacitance

A3950DS

Allegro MicroSystems, Inc.

5

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

www.allegromicro.com

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