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LB1861

Part Number	LB1861
Manufacturer	ON Semiconductor
Description	Two-Phase Half-Wave Variable Speed Fan Motor Driver
Published	Oct 21, 2016
Detailed Description	LB1860, LB1860M, LB1861, LB1861M Monolithic Digital IC Two-Phase Half-Wave Variable Speed Fan Motor Driver Overview The ...
Datasheet	LB1861 PDF File

Overview

LB1860, LB1860M, LB1861, LB1861M Monolithic Digital IC Two-Phase Half-Wave Variable Speed Fan Motor Driver Overview The LB1860 series ICs are drivers for two-phase unipolar drive DC brushless fan motors.
They have functions such as driving, lock protection, restart and speed control.
Features  Two-speed mode select function requiring less external component additions : Full speed and Low speed.
Or, thermistor-controlled continuous variable-speed function according to ambient operation temperatures.
Motor starts rotating at a low speed.
 Motor lock protection and automatic return circuit built in  Output transistors: Output current IO = 1.
5 A, output circuit protection Zener diodes (LB18...

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