参数资料
型号: A3968SLB-T
厂商: Allegro Microsystems Inc
文件页数: 4/8页
文件大小: 0K
描述: IC MOTOR DRIVER PWM DUAL 16SOIC
标准包装: 47
应用: PWM 电机驱动器
输出数: 2
电流 - 输出: ±650mA
电压 - 负载: 4.75 V ~ 30 V
电源电压: 4.75 V ~ 5.5 V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.295",7.50mm 宽)
供应商设备封装: 16-SOIC W
包装: 管件
A3968
Dual Full-Bridge PWM Motor Driver with Brake
ELECTRICAL CHARACTERISTICS at T A = +25 ° C, V BB = 30 V, V CC = 4.75 V to 5.5 V, V REF = 2 V,
V S = 0 V, 56 k Ω & 680 pF RC to Ground (unless noted otherwise)
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Output Drivers
Load Supply Voltage Range
Output Leakage Current
Output Saturation Voltage
Clamp Diode Forward Voltage
Motor Supply Current
(No Load)
V BB
I CEX
V CE(SAT)
V F
I BB(ON)
I BB(OFF)
Operating, I OUT = ± 650 mA, L = 3 mH
V OUT = 30 V
V OUT = 0 V
Source Driver, I OUT = -400 mA
Source Driver, I OUT = -650 mA
Sink Driver, I OUT = +400 mA, V S = 0.5 V
Sink Driver, I OUT = +650 mA, V S = 0.5 V
I F = 400 mA
I F = 650 mA
Both bridges ON (forward or reverse)
All INPUTs = 2.4 V
V CC
<1.0
<-1.0
1.7
1.8
0.3
0.7
1.1
1.4
3.0
<1.0
30
50
-50
2.0
2.1
0.5
1.3
1.4
1.6
5.0
200
V
μ A
μ A
V
V
V
V
V
V
mA
μ A
Control Logic
Logic Supply Voltage Range
Logic Input Voltage
Logic Input Current
Reference Input Volt. Range
Reference Input Current
Reference Divider Ratio
Current-Sense Comparator
V CC
V IN(1)
V IN(0)
I IN(1)
I IN(0)
V REF
I REF
V REF /V TRIP
V IO
Operating
V IN = 2.4 V
V IN = 0.8 V
Operating
V REF = 0.1 V
4.75
2.4
0.1
-2.5
3.8
-6.0
<1.0
<-20
0
4.0
0
5.50
0.8
20
-200
2.0
1.0
4.2
6.0
V
V
V
μ A
μ A
V
μ A
mV
Input Offset Voltage
Current-Sense Comparator
V S
Operating
-0.3
1.0
V
Input Voltage Range
Sense-Current Offset
I SO
I S – I OUT , 50 mA ≤ I OUT ≤ 650 mA
12
18
24
mA
NOTES:1. Typical Data is for design information only.
2. Negative current is defined as coming out of (sourcing) the specified device terminal.
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
4
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