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LB1928 - Three-Phase Brushless Motor Driver

Description

Pin function Motor drive output pins.

Connect a Schottky diode between these outputs and VCC.

Output ground pin.

Features

  • Three-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. 1.93 1.78 0.6 1.0 Specifications Absolute Maximum Ratings at Ta = 25°C Parameter.

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Full PDF Text Transcription

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www.DataSheet4U.com Ordering number : ENN6198A LB1928 Monolithic Digital IC LB1928 Three-Phase Brushless Motor Driver for Office Automation Equipment 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. Package Dimensions unit: mm 3147B-DIP28H [LB1928] 28 15 R1.7 12.7 11.2 8.4 1 20.0 27.0 14 Functions and Features • • • • • • • Three-phase bipolar drive (30V, 3.
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