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LB11872H Folha de dados(PDF) 1 Page - Sanyo Semicon Device |
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1 / 13 page Ordering number : ENN7257A 91002AS (OT) No. 7257 -1/13 Overview The LB11872H is a three-phase brushless motor driver developed for driving the motors used for the polygonal mirror in laser printers and similar applications. It can implement, with a single IC chip, all the circuits required for polygonal mirror drive, including speed control and driver functions. The LB11872H can implement motor drive within minimal drive noise due to its use of current linear drive. Functions and Features • Three-phase bipolar current linear drive + midpoint control circuit • PLL speed control circuit • Speed is controlled by an external clock signal. • Supports Hall FG operation. • Built-in output saturation prevention circuit • Phase lock detection output (with masking function) • Includes current limiter, thermal protection, rotor constraint protection, and low-voltage protection circuits on chip. • On-chip output diodes. Package Dimensions unit: mm 3233A-HSOP28H (6.2) 28 15 114 0.8 15.2 2.7 0.3 0.25 (0.8) 2.0 SANYO: HSOP28H [LB11872H] LB11872H 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 Polygonal Mirror Motors 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 1.2 A Allowable power dissipation 1 Pd max1 Independent IC 0.8 W Allowable power dissipation 2 Pd max2 Mounted on a PCB (114.3 × 76.1 × 1.6 mm, glass epoxy) 2.0 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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Descrição semelhante - LB11872H |
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