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LB11685VH Datasheet(PDF) 1 Page - ON Semiconductor

Part No. LB11685VH
Description  3-phase sensor less Motor driver
Download  7 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

LB11685VH Datasheet(HTML) 1 Page - ON Semiconductor

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71812 SY/61610 SY 20100604-S00002 No.A1773-1/7
http://onsemi.com
Semiconductor Components Industries, LLC, 2013
May, 2013
LB11685VH
Overview
The LB11685VH is a three-phase full-wave current-linear-drive motor driver IC. It adopts a sensor less control system
without the use of a Hall Effect device. For quieter operation, the LB11685VH features a current soft switching circuit
and be optimal for driving the cooling fan motors used in refrigerators, etc.
Functions
• Three-phase full-wave linear drive (Hall sensor-less method)
• Built-in current limiter circuit
• Built-in three-phase output voltage control circuit
• Built-in motor lock protection circuit
• Motor lock protection detection output
• FG output made by back EMF
• Built-in thermal shut down circuit
• Beat lock prevention circuit
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
19
V
Input applied voltage
VIN max
-0.3 to VCC +0.3
V
Maximum output current
IO max *1
1.2
A
Allowable power dissipation
Pd max
Mounted on a board *2
1.4
W
Operating temperature
Topr
-40 to 85
°C
Storage temperature
Tstg
-55 to 150
°C
Junction temperature
Tj max
150
°C
*1: The IO is a peak value of motor-current.
*2: Specified board: 76.1mm
× 114.3mm × 1.6mm, glass epoxy board.
Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time.
Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current,
high voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the further details.
Monolithic Digital IC
3-phase sensor less
Motor driver
Ordering number : ENA1773A
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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