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LB11822 bảng dữ liệu(PDF) 1 Page - Sanyo Semicon Device |
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1 / 11 page Ordering number : ENN7105 N1703SI (OT) No. 7105-1/11 Overview The LB11822 is a three-phase brushless motor driver that is optimal for driving drum and paper feed motors in laser printers and plain paper copiers. This IC adopts a direct PWM drive technique for minimal power loss. Flexible control of motor speed in response to an externally provided clock frequency (corresponding to the FG frequency) can be implemented by using the LB11822 in conjunction with the Sanyo LB11825M. Functions and Features • Three-phase bipolar drive (30 V, 3.1 A) • Direct PWM drive • Built-in low side inductive kickback absorbing diode • Speed discriminator + PLL speed control • Speed locked state detection output • Built-in forward/reverse switching circuit • Full complement of built-in protection circuits, including current limiter circuit, thermal protection circuit, and motor lock protection circuit. Package Dimensions unit: mm 3147B-DIP28H 1 14 28 15 0.6 27.0 20.0 R1.7 1.93 1.78 1.0 SANYO: DIP28H [LB11822] LB11822 SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN Three-Phase Brushless Motor Driver for OA Products Monolithic Digital IC 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. Parameter Symbol Conditions Ratings Unit Supply voltage VCC max 30 V Output current IO max T ≤ 500 ms 3.1 A Allowable power dissipation 1 Pd max1 Independent IC 3 W Allowable power dissipation 2 Pd max2 When infinitely large heat sink 20 W Operating temperature Topr –20 to +80 °C Storage temperature Tstg –55 to +150 °C Specifications Absolute Maximum Ratings at Ta = 25°C |
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