参数资料
型号: A3967SLB
厂商: Allegro Microsystems Inc
文件页数: 2/15页
文件大小: 0K
描述: IC MOTOR DRIVER PWM FULL 24SOIC
标准包装: 31
应用: 步进电机驱动器
输出数: 1
电流 - 输出: ±750mA
电压 - 负载: 4.75 V ~ 30 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: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SOIC W
包装: 管件
A3967
Selection Guide
Microstepping Driver with Translator
Part Number
A3967SLBTR-T
Packing
24-pin SOIC with internally fused pins
Package
1000 per reel
Absolute Maximum Rating s
Characteristic
Load Supply Voltage
Logic Supply Voltage
Logic Input Voltage Range
Sense Voltage
Reference Voltage
Symbol
V BB
V CC
V IN
V SENSE
V REF
t w > 30 ns
t w < 30 ns
Notes
Rating
30
7.0
–0.3 to 7.0
–1 to 7.0
0.68
V CC
Units
V
V
V
V
V
mA
Output Current
Package Power Dissipation
Operating Ambient Temperature
I OUT
P D
T A
Output current rating may be limited by duty cycle, am-
bient temperature, and heat sinking. Under any set of
conditions, do not exceed the speci ? ed current rating
or a junction temperature of 150 ° C.
See graph
Range S
Continuous
Peak
±750
±850
–20 to 85
mA
mA
oC
Fault conditions that produce excessive junction temperature will activate
Maximum Junction Temperature
Storage Temperature
T J (max)
T stg
the device’s thermal shutdown circuitry. These conditions can be toler-
ated but should be avoided.
150
–55 to 150
oC
oC
Thermal Characteristics
Characteristic
Package Thermal Resistance, Junction
to Ambient
Symbol
R θ JA
Test Conditions*
2
2-layer PCB, 1.3 in. 2-oz. exposed copper
4-layer PCB, based on JEDEC standard
Value
50
35
Units
oC/W
oC/W
*Additional thermal information available on Allegro website.
5
R JT = 6.0 C/W
4
3
R JA = 35°C/W
2
R JA = 50°C/W
1
0
25
50
75 100
125
150
TEMPERATURE IN 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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