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LB1940T_06

更新时间: 2024-10-26 11:39:59
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三洋 - SANYO 驱动
页数 文件大小 规格书
8页 295K
描述
2-ch H-Bridge Constant Current Driver

LB1940T_06 数据手册

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Ordering number : EN7232A  
LB1940T  
LB1940U  
Monolithic Digital IC  
2-ch H-Bridge Constant Current Driver  
Overview  
The LB1940T and LB1940U are 2-phase exciter type bipolar stepping 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:  
Single power source type: VS = V D = 1.9 to 7.5V  
Low saturation output:  
Constant-current control  
VS = 1.6 to 7.5V, V = 1.9 to 6.5V  
DD  
D
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  
Any and all SANYO Semiconductor products described or contained herein do not have specifications  
that can handle applications that require extremely high levels of reliability, such as life-support systems,  
aircraft's control systems, or other applications whose failure can be reasonably expected to result in  
serious physical and/or material damage. Consult with your SANYO Semiconductor representative  
nearest you before using any SANYO Semiconductor products described or contained herein in such  
applications.  
SANYO Semiconductor assumes no responsibility for equipment failures that result from using products  
at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition  
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor  
products described or contained herein.  
D2706 MS IM / 93004 JO IM No.7232-1/8  

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