Datenblatt-Suchmaschine für elektronische Bauteile |
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LB11847 Datenblatt(PDF) 1 Page - Sanyo Semicon Device |
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LB11847 Datenblatt(HTML) 1 Page - Sanyo Semicon Device |
1 / 15 page 90308 MS PC/61199RM(KI) No.6183-1/15 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. LB11847 Overview The LB11847 is a driver IC for stepping motors with PWM current control bipolar drive (fixed OFF time). A special feature of this IC is that VREF voltage is constant while the current can be set in 15 steps, allowing drive of motors ranging from 1-2 phase exciter types to 4W 1-2 phase exciter types. The current decay pattern can also be selected (SLOW DECAY, FAST DECAY, MIX DECAY) to increase the decay of regenerative current at chopping OFF, thereby improving response characteristics. This is especially useful for carriage and paper feed stepping motors in printers and similar applications where highprecision control and low vibrations are required. Features • PWM current control (fixed OFF time) • Load current digital selector (1-2, W1-2, 2W1-2, 4W1-2 phase exciter drive possible) • Selectable current decay pattern (SLOW DECAY, FAST DECAY, MIX DECAY) • Simultaneous ON prevention function (feedthrough current prevention) • Noise canceler • Built-in thermal shutdown circuit • Built-in logic low-voltage OFF circuit Specifications Absolute Maximum Ratings at Ta = 25 °C Parameter Symbol Conditions Ratings Unit Motor supply voltage VBB 50 V Output peak current IOPEAK tW ≤ 20μs 1.75 A Output continuous current IO max 1.5 A Logic supply voltage VCC 7.0 V Logic input voltage range VIN -0.3 to VCC V Emitter output voltage VE 1.0 V Continued on next page. Monolithic Digital IC PWM Current Control Type Stepping Motor Driver Ordering number : EN6183A |
Ähnliche Teilenummer - LB11847_08 |
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Ähnliche Beschreibung - LB11847_08 |
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