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LB1872 датащи(PDF) 1 Page - Sanyo Semicon Device |
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LB1872 датащи(HTML) 1 Page - Sanyo Semicon Device |
1 / 11 page Overview The LB1872 is a 3-phase brushless motor driver IC developed for driving the polygon mirror motor used in laser printers and similar products. Functions and Features • Integrates the circuits (speed control and driver circuits) required for laser printer polygon mirror motor drive in a single chip. • Uses a current linear drive technique for minimal motor noise. Only a small capacitors are required for output oscillation prevention. • PLL speed control adopted for high-precision rotation with excellent jitter characteristics. • Phase lock detection output with a chattering prevention function • Four rotation rates can be set up using a single crystal oscillator to support 240, 300, 400, and 600 dpi operation. • Arbitrary rotation rates can be acquired when an external clock is used. • Deceleration function implemented by short-circuit braking (free running when stopped) • Built-in FG and error amplifiers • Full complement of protection circuits, including thermal protection, low voltage protection, and current limiter circuits, provided on chip. Package Dimensions unit: mm 3147B-DIP28H Monolithic Digital IC 13098HA(OT) No. 5625-1/11 SANYO: DIP28H [LB1872] SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-0005 JAPAN Polygon Mirror Scanner Driver IC LB1872 Ordering number : EN5625A Independent IC Ambient temperature, Ta - °C With an arbitrarily large heat sink |
Аналогичный номер детали - LB1872 |
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Аналогичное описание - LB1872 |
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