参数资料
型号: A3989SEVTR-T
厂商: Allegro Microsystems Inc
文件页数: 2/13页
文件大小: 0K
描述: IC STEPPER/MOTOR DRIVER 36-QFN
标准包装: 1
应用: 直流电机驱动器,步进电机驱动器
输出数: 2
电压 - 负载: 8 V ~ 36 V
电源电压: 3 V ~ 5.5 V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 36-VFQFN 裸露焊盘
供应商设备封装: 36-QFN-EP(6x6)
包装: 标准包装
产品目录页面: 1141 (CN2011-ZH PDF)
其它名称: 620-1183-6
A3989
Selection Guide
Part Number
A3989SEV-T
A3989SEVTR-T
Bipolar Stepper and High Current DC Motor Driver
Packing
61 pieces per tube
1500 pieces per reel
Absolute Maximum Ratings
Characteristic
Load Supply Voltage
Logic Supply Voltage
Output Current *
Logic Input Voltage Range
SENSEx Pin Voltage
VREF x Pin Voltage
Operating Temperature Range
Junction Temperature
Storage Temperature Range
Symbol
V BB
V DD
I OUT
V IN
V SENSEx
V REFx
T A
T J (max)
T stg
Notes
Pulsed t w < 1 μ s
Stepper motor driver, continuous
Stepper motor driver, pulsed t w < 1 μ s
Dc motor driver, continuous
Dc motor driver, pulsed t w < 1 μ s
Pulsed t w < 1 μ s
Range S
Rating
-0.5 to 36
38
–0.4 to 7
1.2
2.8
2.4
3.5
–0.3 to 7
0.5
2.5
2.5
–20 to 85
150
–55 to 150
Units
V
V
V
A
A
A
A
V
V
V
V
oC
oC
oC
* May be limited by duty cycle, ambient temperature, and heat sinking. Under any set of conditions, do not exceed the specified current rating or a
Junction Temperature of 150°C.
Thermal Characteristics (may require derating at maximum conditions)
Characteristic
Symbol
Test Conditions
Min. Units
Package Thermal Resistance
R θ JA
EV package, 4 layer PCB based on JEDEC standard
27
oC/W
Power Dissipation versus Ambient Temperature
5500
5000
4500
4000
3500
3000
2500
2000
1500
1000
500
0
EV Package
4-layer PCB
(R JA = 27 oC/W)
25
50
75 100 125
150
175
Temperature (°C)
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
2
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