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LB1868 датащи(PDF) 1 Page - ON Semiconductor

номер детали LB1868
подробное описание детали  2-phase Brushless Fan Motor Driver
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производитель  ONSEMI [ON Semiconductor]
домашняя страница  http://www.onsemi.com
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LB1868 датащи(HTML) 1 Page - ON Semiconductor

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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.


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Аналогичное описание - LB1868

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