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LB1940U Folha de dados(PDF) 1 Page - Sanyo Semicon Device |
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1 / 8 page D2706 MS IM / 93004 JO IM No.7232-1/8 LB1940T LB1940U 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: VS = 1.6 to 7.5V, VDD = 1.9 to 6.5V Single power source type: VS = VDD = 1.9 to 7.5V • Low saturation output: VO(sat) = 0.3V at IO of 200mA • Constant-current control • 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 Symbol Conditions Ratings Unit Maximum supply voltage VB max VS1, VS2, VDD -0.3 to +10.5 V Output applied voltage VOUT max OUT1, OUT2, OUT3, OUT4 -0.3 to +10.5 V Output Current IO max 400 mA Input applied voltage VIN max ENA1, ENA2, IN1, IN2, VC -0.3 to +10.5 V Allowable power dissipation Pd max Mounted on a specified board * 800 mW Operating temperature Topr -20 to +85 °C Storage temperature Tstg -55 to +150 °C * Mounted on a Specified board: 114.3mm ×76.1mm×1.6mm, glass epoxy Ordering number : EN7232A Monolithic Digital IC 2-ch H-Bridge Constant Current Driver 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. |
Nº de peça semelhante - LB1940U |
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Descrição semelhante - LB1940U |
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