LB11923V 查看數據表（PDF） - ON Semiconductor
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LB11923V Datasheet PDF : 23 Pages
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LB11923V
PIN FUNCTIONS (continued)
Pin No.
Pin
Functions
5
BR
Brake control (short braking operation)
Low: 0 V to 1.0 V
High: 2.0 V to VCC
Goes high when left open.
High or open for brake mode operation.
The hysteresis is about 0.22 V.
Equivalent Circuit
VCC1
3.5 kW
5
6
N1
Switches the speed discriminator VCO divisor
count.
Low: 0 V to 1.0 V
High: 2.0 V to VCC
Goes high when left open.
The hysteresis is about 0.22 V.
VCC1
3.5 kW
6
7
N2
The speed discriminator count switching.
Low: 0 V to 1.0 V
High: 2.0 V to VCC
Goes high when left open.
The hysteresis is about 0.22 V.
VCC1
8
FGS
FG amplifier output (after the Schmitt circuit)
This is an open collector output.
VCC1
3.5 kW
7
8
9
LD
Speed lock detection output
This is an open collector output.
VCC1
Goes low when the motor speed is within the
speed lock range (±6.25%).
9
10
DOUT Speed discriminator output
Acceleration → high, deceleration → low
VCC1
10
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10
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