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LB1875 - Polygon Mirror Motor Predriver

Features

  • Three-phase bipolar drive Direct PWM drive (bottom side) or PAM drive selectable PLL speed control circuit PWM oscillator Quartz oscillator Frequency divider FG with Schmitt comparator FG input single edge, dual edge selector circuit Integrating amplifier Phase lock detector output Current limiter Motor lock protection Thermal protection Forward/re.

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Full PDF Text Transcription

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Ordering number : EN6002 LB1875 Monolithic Digital IC LB1875 Polygon Mirror Motor Predriver IC Overview The LB1875 is a predriver IC for polygon mirror motors. By using a driver array or discrete transistors (FETs) at the output, motor drive with high rotation precision is possible. PAM drive or direct PWM drive can be selected for the output to realize high-efficiency control with minimum power loss. Package Dimensions unit: mm 3235-HSOP36 [LB1875] 17.9 0.65 (4.9) 6.2 2.7 36 1 0.55 2.25 0.25 0.8 0.3 1.
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