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LB1940T

更新时间: 2024-10-26 12:04:31
品牌 Logo 应用领域
安森美 - ONSEMI 驱动
页数 文件大小 规格书
8页 305K
描述
Monolithic Digital IC 2-ch H-Bridge Constant Current Driver Constant-current control

LB1940T 技术参数

生命周期:Active包装说明:0.225 INCH, 1.20 MM HEIGHT, TSSOP-20
Reach Compliance Code:compliant风险等级:5.69
其他特性:ALSO OPERATES IN 1.6 TO 7.5 SUPPLY, SEATED HT-CALCULATED模拟集成电路 - 其他类型:STEPPER MOTOR CONTROLLER
JESD-30 代码:R-PDSO-G20长度:6.5 mm
功能数量:1端子数量:20
最高工作温度:85 °C最低工作温度:-20 °C
最大输出电流:0.4 A封装主体材料:PLASTIC/EPOXY
封装代码:LSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW PROFILE, SHRINK PITCH座面最大高度:1.28 mm
最大供电电压 (Vsup):6.5 V最小供电电压 (Vsup):1.9 V
标称供电电压 (Vsup):2 V表面贴装:YES
温度等级:OTHER端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
宽度:4.4 mmBase Number Matches:1

LB1940T 数据手册

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Ordering number : EN7232B  
LB1940T  
LB1940U  
http://onsemi.com  
Monolithic Digital IC  
2-ch H-Bridge Constant Current Driver  
Overview  
The LB1940T and LB1940U are 2-phase exciter type bipolar stepper motor driver ICs that feature low-voltage,  
(supporting 3V battery) and low current operation with low saturation voltage. These ICs enable constant-current  
control of actuators, and are optimal for driving the actuators of PC peripherals such as USB compatible scanners,  
FDDs, and printers, as well as for controlling the shutter, iris, and AF of a digital still camera.  
Features  
Low-voltage driving  
2-power source type:  
VS = 1.6 to 7.5V, V = 1.9 to 6.5V  
DD  
Single power source type: VS = V D = 1.9 to 7.5V  
D
Low saturation output:  
Constant-current control  
V (sat) = 0.3V at I of 200mA  
O O  
Built-in reference voltage (Vref = 0.9V)  
Small-sized, low-profile package (LB1940T: TSSOP20; 225mil; thickness (t) = 1.2mm max.)  
(LB1940U: MSOP20; thickness (t) = 0.85mm max.)  
Specifications  
Absolute Maximum Ratings at Ta = 25°C  
Parameter  
Maximum supply voltage  
Output applied voltage  
Output Current  
Symbol  
Conditions  
Ratings  
-0.3 to +10.5  
Unit  
V
VB max  
VS1, VS2, V  
DD  
V
I
max  
OUT1, OUT2, OUT3, OUT4  
-0.3 to +10.5  
400  
V
OUT  
max  
mA  
V
O
Input applied voltage  
Allowable power dissipation  
Operating temperature  
Storage temperature  
V
max  
ENA1, ENA2, IN1, IN2, VC  
-0.3 to +10.5  
800  
IN  
Pd max  
Topr  
Mounted on a specified board *  
mW  
°C  
°C  
-20 to +85  
-55 to +150  
Tstg  
* Mounted on a Specified board: 114.3mm×76.1mm×1.6mm, glass epoxy  
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating  
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.  
Semiconductor Components Industries, LLC, 2013  
June, 2013  
D0512HK 20080624-S00002,B8-5952/D2706 MS IM/93004 JO IM No.7232-1/8  

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