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ON Semiconductor - 3-phase Brushless Motor Driver

Numéro de référence LB1975
Description 3-phase Brushless Motor Driver
Fabricant ON Semiconductor 
Logo ON Semiconductor 





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LB1975 fiche technique
Ordering number : EN6087B
LB1975
Monolithic Digital IC
For Fan Motor
3-phase Brushless Motor Driver
http://onsemi.com
Overview
The LB1975 is a 3-phase brushless motor driver IC suited for use in direct PWM driving of DC fan motors for air
conditioners, water heaters, and other similar equipment. Since a shunt regulator circuit is built in, single power supply
operation sharing the same power supply for the motor is supported.
Features
Withstand voltage 46V, output current 2.5A
Direct PWM drive output
3 built-in output top-side diodes
Built-in current limiter
Built-in FG output circuit
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Supply voltage
Output current
Maximum input current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
VM max
IO max
IREG max
Pd max1
Pd max2
Topr
Tstg
Conditions
VREG pin
Independent IC
With infinite hear sink
Ratings
7
46
2.5
10
3
20
-20 to +100
-55 to +150
Unit
V
V
A
mA
W
W
°C
°C
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.
Semiconductor Components Industries, LLC, 2013
May, 2013
D1708 MS / 21003AS (OT) / 52199RM (KI) No.6087-1/10

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