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LB1945H 데이터시트(PDF) 1 Page - Sanyo Semicon Device |
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LB1945H 데이터시트(HTML) 1 Page - Sanyo Semicon Device |
1 / 7 page LB1945H No. 6193-1/7 LB1945H Package Dimensions unit: mm 3233-HSOP28H Preliminary Features • PWM current control (external excitation) • Load current digital selection (1–2, W1–2, and 2 phase excitation drives possible) • Built-in upper/lower diode • Simultaneous ON prevention function (feedthrough current prevention) • Built-in thermal shutdown circuit • Built-in noise canceler 82799RM(KI) Ordering number : ENN*6193 Monolithic Digital IC PWM Current Control Type Stepping Motor Driver [LB1945H] SANYO : HSOP28H Specifications Absolute Maximum Ratings at Ta = 25 °C Parameter Symbol Conditions Ratings Unit Maximum motor supply voltage VBB max 30 V Output peak current I OPEAK tw ≤ 20 µs 1.0 A Output continuous current I O max 0.8 A Logic supply voltage VCC max 6.0 V Logic input voltage range VIN max –0.3 to VCC V Emitter output voltage VE max 1.0 V Allowable power dissipation Pd max Ta = 25˚C, with specified substrate* 1.9 W Operating temperature Topr –20 to +90 °C Storage temperature Tstg –55 to +150 °C Allowable Operating Ranges at Ta = 25 °C Parameter Symbol Conditions Ratings Unit Motor supply voltage VBB 10 to 28 V Logic supply voltage VCC 4.75 to 5.25 V Reference voltage VREF 1.5 to 5.0 V 6.2 28 15 114 0.8 15.3 2.7 0.3 0.25 0.85 Any and all SANYO 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 representative nearest you before using any SANYO products described or contained herein in such applications. SANYO 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 products described or contained herein. SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN * Specified substrate: 114.3 × 76.1 × 1.6 mm3, glass epoxy |
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