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3957 Datasheet(PDF) 7 Page - Allegro MicroSystems

Part # 3957
Description  FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER
PDF  16 Pages
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Manufacturer  ALLEGRO [Allegro MicroSystems]
Direct Link  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

3957 Datasheet(HTML) 7 Page - Allegro MicroSystems

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3957
FULL-BRIDGE PWM
MICROSTEPPING
MOTOR DRIVER
Typical Operating Characteristics
0.25
Dwg. GD-003-1
0.75
1.5
0.5
FORWARD CURRENT IN AMPERES
0
0.25
1.0
1.5
1.0
1.25
TJ = +25
°C
TJ = +70
°C
TJ = +85
°C
TJ = +125
°C
1.25
0.75
0.5
0
SINK DIODE
0.25
Dwg. GD-003-2
0.75
1.5
0.5
FORWARD CURRENT IN AMPERES
0
0.25
1.0
1.5
1.0
1.25
TJ = +25
°C
TJ = +70
°C
TJ = +85
°C
TJ = +125
°C
1.25
0.75
0.5
0
FLYBACK DIODE
0.25
Dwg. GP-064-2
0.75
1.5
0.5
OUTPUT CURRENT IN AMPERES
0
0.25
1.0
1.5
1.0
1.25
TJ = +25
°C
TJ = +70
°C
TJ = +85
°C
TJ = +125
°C
SOURCE DRIVER
1.25
0.75
0.5
0
0.25
Dwg. GP-064-3
0.75
1.5
0.5
OUTPUT CURRENT IN AMPERES
0
0.25
1.0
1.5
1.0
1.25
1.25
0.75
0.5
0
TJ = +25
°C
TJ = +70
°C
TJ = +85
°C
TJ = +125
°C
SINK DRIVER
Satlington™ Sink Driver Saturation Voltage
Source Driver Saturation Voltage
Flyback Diode Forward Voltage
Clamp Diode Forward Voltage



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