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LB11975 bảng dữ liệu(PDF) 1 Page - Sanyo Semicon Device |
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LB11975 bảng dữ liệu(HTML) 1 Page - Sanyo Semicon Device |
1 / 12 page Ordering number : ENN6497A 11201RM (OT) No. 6497-1/12 Overview The LB11975 is a monolithic bipolar IC developed for uses as a spindle motor driver for high-speed CD-ROM and DVD-ROM drives. To minimize heat generation during high-speed rotation and braking, the LB11975 adopts direct PWM drive in the output stage. During reverse braking the upper and lower side output transistors are both driven in PWM mode to implement dual PWM controlled braking. The device thus controls the current to remain under a limit value and prevent rapid heat generation. This prevents device destruction due to rapid heating. The absolute maximum voltage rating is 27 V, and the maximum current is 2.5 A. Functions and Features • Direct PWM drive (lower side control) • Built-in upper and lower side output diodes • Supports the use 3.3 V DSP devices. • Power saving function for standby mode • Hall FG output (1 or 3 Hall device operation) • Built-in Hall device power supply • Reverse rotation detection output and drive cutoff circuit • Voltage control amplifier • Current limiter circuit • Thermal protection circuit Package Dimensions unit: mm 3251-HSOP36R (6.2) 36 1 19 18 0.8 2.0 17.8 0.3 2.7 0.25 (0.5) SANYO: HSOP36R [LB11975] LB11975 SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN High-Speed CD-ROM Spindle Motor Driver IC 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. 0.4 0 0.8 0.9 1.2 1.6 2.0 2.1 2.4 –20 0 20 40 60 80 100 Pd max — Ta Ambient temperature, Ta — °C Mounted on the specified printed circuit (114.3 × 76.1 × 1.6 mm3 glass epoxy board) Independent IC 0.54 1.26 |
Số phần tương tự - LB11975 |
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Mô tả tương tự - LB11975 |
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