参数资料
型号: A3908EEETR-T
厂商: Allegro Microsystems Inc
文件页数: 4/8页
文件大小: 0K
描述: IC MOTOR DRIVER DC LV 500MA 8DFN
标准包装: 1
应用: 直流电机驱动器
输出数: 1
电流 - 输出: 500mA
电源电压: 3 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-UFDFN 裸露焊盘
供应商设备封装: 8-DFN/MLP(2x2)
包装: 标准包装
产品目录页面: 1140 (CN2011-ZH PDF)
其它名称: 620-1282-6
A3908
Low Voltage DC Motor Driver
ELECTRICAL CHARACTERISTICS a t T A =25°C, and V DD = 3 to 5.5 V, unless otherwise noted
Characteristics Symbol Test Conditions Min.
Typ.
Max.
Units
Supply Current
UVLO Enable Threshold
UVLO Hysteresis
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
Logic Input Low Level
Logic Input High Level
Input Hysteresis
Logic Input Current
I DD
I DDSTB
V DDUVLO
V UVHYS
T JTSD
T JHYS
V IL
V IH
V HYS
I IN
Standby mode
V DD rising
Temperature increasing.
Recovery = T JTSD – T JHYS
V IN = 0 to 5 V
V DD x 55%
–1
0.5
120
165
15
V DD x 7%
0
2
500
2.6
V DD x 20%
1
mA
nA
V
mV
°C
°C
V
V
mV
μ A
Output Driver
Sink Driver Output Resistance
Source Driver On Resistance
Bandgap Reference
V OUT Accuracy (V OUTA –V OUTB )
R DS
R DS(on)
VBG
V OUT
V DD = 5 V, I OUT = 500 mA
V DD = 3 V, I OUT = 500 mA
V DD = 5 V, I OUT = 500 mA
V DD = 3 V, I OUT = 500 mA
V SET = 1.2 V
V SET = 825 mV
V SET = 500 mV
1.235
4.608
3.135
1.84
0.6
0.8
0.6
0.65
1.285
4.8
3.3
2
1.335
4.992
3.465
2.16
Ω
Ω
Ω
Ω
V
V
V
V
THERMAL CHARACTERISTICS
Characteristics
Package Thermal Resistance *
Symbol
R θ JA
Test Conditions
Measured on 4-layer board based on JEDEC
standard
Rating
49
Unit
°C/W
* Additional
thermal information is available on the Allegro Web site.
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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