A4985 데이터 시트보기 (PDF) - Allegro MicroSystems

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A4985

DMOS Microstepping Driver with Translator And Overcurrent Protection

Allegro MicroSystems 

A4985

VSTEP

100.00

70.71

IOUT

0

DMOS Microstepping Driver with Translator

And Overcurrent Protection

See Enlargement A

–70.71

–100.00

IOUT

Enlargement A

IPEAK

tFD

toff

tSD

Slow Decay

Mixed Decay

Fast Decay

Symbol

toff

IPEAK

tSD

tFD

IOUT

Device fixed off-time

Maximum output current

Slow decay interval

Fast decay interval

Device output current

Characteristic

Figure 7. Current Decay Modes Timing Chart

t

Allegro MicroSystems, Inc.

11

115 Northeast Cutoff, Box 15036

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

www.allegromicro.com

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