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LB1947 Datasheet(PDF) 1 Page - Sanyo Semicon Device |
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LB1947 Datasheet(HTML) 1 Page - Sanyo Semicon Device |
1 / 9 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 / 80699RM(KI) No.6192-1/9 LB1947 Overview The LB1947 is a PWM current control type bidirectional motor driver IC. Features • PWM current control (fixed OFF time) • Selectable current decay pattern (FAST, SLOW, and MIX DECAY modes) • Simultaneous ON prevention function (feed-through current prevention) • Built-in thermal shutdown circuit • Built-in noise canceler Specifications Absolute Maximum Ratings at Ta = 25 °C Parameter Symbol Conditions Ratings Unit Maximum motor supply voltage VBB max 50 V Output peak current IO peak tw ≤ 20µs 2.25 A Output continuous current IO max 2.0 A Logic supply voltage VCC max 7.0 V Logic input voltage range VIN -0.3 to VCC V Emitter output voltage VE max 1.1 V Reference voltage VREF -0.3 to VCC V Allowable power dissipation Pd max 1.6 W Operating temperature Topr -20 to +85 °C Storage temperature Tstg -55 to +150 °C Monolithic Digital IC PWM Current Control Type Bidirectional Motor Driver Ordering number : EN6192B |
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