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LB1928 Datasheet(PDF) 1 Page - ON Semiconductor |
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LB1928 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 11 page D0308 MS JM/O0702AS(OT)/D1099TH(KI)/73099RM(KI) No.6198-1/11 http://onsemi.com Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. Semiconductor Components Industries, LLC, 2013 May, 2013 LB1928 Overview The LB1928 is a 3-phase brushless motor driver well suited for drum and paper feed motors in laser printers, plain-paper copiers and other office automation equipment. Direct PWM drive allows control with low power losses. Peripheral circuitry including speed control circuit and FG amplifier is integrated, thus allows drive circuit to be constructed with a single chip. Features • 3-phase bipolar drive (30V, 3.1A) • Direct PWM drive technique • Built-in diode for absorbing output lower-side kickback • Speed discriminator and PLL speed control • Speed lock detection output • Built-in forward/reverse switching circuit • Built-in protection circuitry includes current limiter, overheat protection, motor restraint protection, etc. Specifications Absolute Maximum Ratings at Ta = 25 °C Parameter Symbol Conditions Ratings Unit Maximum supply voltage VCC max 30 V Maximum output current IO max T ≤ 500ms 3.1 A Allowable power dissipation 1 Pd max 1 Independent IC 3 W Allowable power dissipation 2 Pd max 2 With an arbitrary large heat sink 20 W Operating temperature Topr -20 to +80 °C Storage temperature Tstg -55 to +150 °C Monolithic Digital IC For Office Automation Equipment 3-phase Brushless Motor Driver Ordering number : EN6198C |
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