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LB1965M - Two-Phase Unipolar Driver

Features

  • With only a few peripheral parts including a thermistor, ambient temperature dependent continuous speed control can be implemented. This allows low-speed startup (100% duty drive at startup).
  • Settable minimum rotation speed for low temperature.
  • Built-in thermistor voltage amplification circuit assures high precision of ambient temperature to rotation speed ratio.
  • Built-in motor lockup protection and automatic recovery circuit Output current Io = 1.5A, built-.

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Full PDF Text Transcription

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Ordering number : ENN6189 LB1965M Monolithic Digital IC LB1965M Two-Phase Unipolar Driver for Variable-Speed Fan Motor Features • With only a few peripheral parts including a thermistor, ambient temperature dependent continuous speed control can be implemented. This allows low-speed startup (100% duty drive at startup). • Settable minimum rotation speed for low temperature • Built-in thermistor voltage amplification circuit assures high precision of ambient temperature to rotation speed ratio • Built-in motor lockup protection and automatic recovery circuit Output current Io = 1.
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