参数资料
型号: A3982SLB-T
厂商: Allegro Microsystems Inc
文件页数: 4/11页
文件大小: 0K
描述: IC MOTOR DRIVER STEPPER 24-SOIC
标准包装: 31
应用: 步进电机驱动器
输出数: 1
电流 - 输出: ±2A
电压 - 负载: 8 V ~ 35 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
其它名称: 620-1082
A3982
DMOS Stepper Motor Driver with Translator
ELECTRICAL CHARACTERISTICS 1 at T A = 25°C, V BB = 35 V (unless otherwise noted)
Characteristics
Symbol
Test Conditions
Min.
Typ. 2
Max.
Units
Output Drivers
Load Supply Voltage Range
Logic Supply Voltage Range
Output On Resistance
Body Diode Forward Voltage
Motor Supply Current
Logic Supply Current
V BB
V DD
R DSON
V F
I BB
I DD
Operating
Operating
Source Driver, I OUT = –1.5 A
Sink Driver, I OUT = 1.5 A
Source Diode, I F = –1.5 A
Sink Diode, I F = 1.5 A
f PWM < 50 kHz
Operating, outputs disabled
f PWM < 50 kHz
Outputs off
8
3.0
0.370
0.330
35
5.5
0.460
0.380
1.2
1.2
4
2
8
5
V
V
Ω
Ω
V
V
mA
mA
mA
mA
Control Logic
Logic Input Voltage
Logic Input Current
Input Hysteresis
Blank Time
Fixed Off-Time
Reference Input Voltage Range
Reference Input Current
Current Trip-Level Error 3
Crossover Dead Time
V IN(1)
V IN(0)
I IN(1)
I IN(0)
V HYS(IN)
t BLANK
t OFF
V REF
I REF
err I
t DT
V IN = V DD ? 0.7
V IN = V DD ? 0.3
OSC > 3 V
R OSC = 25 k Ω
V REF = 2 V, %I TripMAX = 70.71%
V REF = 2 V, %I TripMAX = 100.00%
V DD ? 0.7
–20
–20
150
0.7
20
23
0
–3
100
<1.0
<1.0
300
1
30
30
0
475
V DD ? 0.3
20
20
500
1.3
40
37
4
3
±5
±5
800
V
V
μ A
μ A
mV
μ s
μ s
μ s
V
μ A
%
%
ns
Protection
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
T J
T JHYS
165
15
°C
°C
UVLO Enable Threshold
UVLO Hysteresis
UV LO
UV HYS
V DD rising
2.35
0.05
2.7
0.10
3
V
V
?
1 Negative current is defined as coming out of (sourcing from) the specified device pin.
2 Typical data are for initial design estimations only, and assume optimum manufacturing and application conditions. Performance may vary for
individual units, within the specified maximum and minimum limits.
3 err I = (I Trip – I Prog ) ? I Prog , where I Prog = %I TripMAX I TripMAX .
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
4
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