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LB1868 датащи(PDF) 1 Page - ON Semiconductor |
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LB1868 датащи(HTML) 1 Page - ON Semiconductor |
1 / 5 page 31109 MS 20080725-S00003 / 83100RM(KI) No.6202-1/5 http://onsemi.com Semiconductor Components Industries, LLC, 2013 May, 2013 LB1868 Overview The LB1868 is a 2-phase unipolar brushless motor driver. With only a few peripheral parts, lockup protection and automatic recovery can be implemented. The IC can be configured for 12V or 24V operation and a wide range of variations, from Low speed to H-High speed and from 60cm to 120cm square using the same PCB. This makes it easy to design highly reliable fan motor installations. Features • Output protection Zener diode with variable withstand voltage Z1, Z2 pins open: VOLM = 57V (24V specification) Z1, Z2 pins shorted: VOLM = 32V (12V specification) External Zener diode connected across Z1 − VCC pins: support for fans with large drive current • External resistor allows configuration for 12V or 24V • Direct Hall element connection possible (built-in Hall amplifier with hysteresis supports core without auxiliary electrode) • Built-in output transistor with 1.0A output current (strengthened negative-current support for core without auxiliary electrode) • Built-in rotation detection function: Low during rotation and High during stop • Built-in lockup protection with automatic recovery • Built-in thermal shutdown Specifications Absolute Maximum Ratings at Ta = 25 °C Parameter Symbol Conditions Ratings Unit Maximum input current ICC max t ≤ 20ms 200 mA Maximum applied output voltage VOUT max Internal V Maximum output current IOUT max 1.0 A Maximum current flowing into RD pin IRD max 10 mA Maximum RD applied voltage VRD max 30 V Allowable power dissipation Pd max 1.1 W Operating temperature Topr -30 to +95 °C Storage temperature Tstg -55 to +150 °C Monolithic Digital IC 2-phase Brushless Fan Motor Driver Ordering number : EN6202A Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. |
Аналогичный номер детали - LB1868 |
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Аналогичное описание - LB1868 |
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