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LB11946 Datenblatt(PDF) 1 Page - Sanyo Semicon Device |
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LB11946 Datenblatt(HTML) 1 Page - Sanyo Semicon Device |
1 / 14 page Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer 's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer 'sproductsor equipment. Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. 22509 MS 20090212-S00006 / N2206 / 73004TN(OT) No.7946-1/14 LB11946 Overview The LB11946 is a stepping motor driver IC that implements PWM current control bipolar drive with a fixed off time. This IC features 15 current setting levels using a fixed VREF voltage and support for micro-stepping drive from 1-2 phase excitation drive to 4W1-2 phase excitation drive. This device is optimal for driving stepping motors such as those used for carriage drive and paper feed in printers. Features • PWM current control (with a fixed off time) • Logic input serial-parallel converter (allows 1-2, W1-2, 2W1-2, and 4W1-2 phase excitation drive) • Current attenuation switching function (with slow decay, fast decay, and mixed decay modes) • Built-in upper and lower side diodes • Simultaneous on state prevention function (through current prevention) • Noise canceller function • Thermal shutdown circuit • Shutoff on low logic system voltage circuit • Low-power mode control pin Specifications Maximum Ratings at Ta = 25 °C Parameter Symbol Conditions Ratings Unit Motor supply voltage VBB 50 V Peak output current IO peak tw ≤ 20µS 1.2 A Continuous output current IO max 1.0 A Logic system supply voltage VCC 7.0 V Logic input voltage range VIN -0.3 to VCC V VCC = 5V specifications 1.0 V Emitter output voltage VE VCC = 3.3V specifications 0.5 V Allowable power dissipation Pd max Independent IC 3.0 W Operating temperature Topr -25 to +85 °C Storage temperature Tstg -55 to +150 °C Monolithic Digital IC PWM Current Control Stepping Motor Driver Ordering number : EN7946A |
Ähnliche Teilenummer - LB11946 |
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Ähnliche Beschreibung - LB11946 |
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