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LB1860M-TLM-H Datasheet(PDF) 1 Page - ON Semiconductor |
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LB1860M-TLM-H Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 8 page 1 Publication Order Number : LB1860_60M_61_61M/D www.onsemi.com © Semiconductor Components Industries, LLC, 2014 August 2014 - Rev. 0 ORDERING INFORMATION See detailed ordering and shipping information on page 8 of this data sheet. LB1860, LB1860M, LB1861, LB1861M 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 (LB1860 : M-Vz = 57 V/ LB1861: M-Vz = 32 V) Enables low-level noise protection with chip capacitor. Built-in thermal shutdown circuit Built-in rotation detect function (Drive mode: ‘‘L’’, Stop mode: ‘‘H’’) The LB1860 series can be operated from either 12 V or 24 V power supply by changing an external resistor. (Strong protection against power supply surge) Connectable direct to a Hall element Monolithic Digital IC Two-Phase Half-Wave Variable Speed Fan Motor Driver PDIP10 / DIP10S (300 mil) [LB1860, LB1861] SOIC14 W / MFP14S (225 mil) [LB1860M, LB1861M] |
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