A3949(2013) データシートの表示（PDF） - Allegro MicroSystems

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A3949
(Rev.:2013)

DMOS Full-Bridge Motor Driver

Allegro MicroSystems 

A3949

DMOS Full-Bridge Motor Driver

Selection Guide

Part Number

A3949SLBTR-T

Package

16-pin, SOIC

Packing

1000 per reel

Absolute Maximum Ratings

Characteristic

Load Supply Voltage

Logic Input Voltage

Sense Voltage

Output Current, Repetitive

Operating Ambient Temperature

Maximum Junction Temperature

Storage Temperature

Symbol

VBB

VIN

VSENSE

IOUT

TA

TJ(max)

Tstg

Peak < 2 μs

Notes

Output current rating may be limited by duty cycle,

ambient temperature, and heat sinking. Under any

set of conditions, DO NOT exceed the specified

IOUT or TJ.

Range S

Rating

36

38

–0.3 to 7

0.5

±2.8

–20 to 85

150

–55 to 150

Units

V

V

V

V

A

ºC

ºC

ºC

Package Thermal Characteristics*

Characteristic

Symbol

Note

Package Thermal Resistance

RθJA

Measured on 2-layer PCB with 2 in2. 2-oz. copper each side

*Additional information is available on the Allegro website.

Rating

52

Units

°C/W

Allegro MicroSystems, LLC

2

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

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