A3957SA 데이터 시트보기 (PDF) - Allegro MicroSystems

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A3957SA

FULL-BRIDGE PWM MICROSTEPPING MOTOR DRIVER

Allegro MicroSystems 

3957

FULL-BRIDGE PWM

MICROSTEPPING

MOTOR DRIVER

Typical Operating Characteristics

Source Driver Saturation Voltage

1.5

1.25

1.0

0.75

0.5

0.25

0

0

SOURCE DRIVER

TJ = +25°C

TJ = +70°C

TJ = +85°C

TJ = +125°C

0.25

0.5

0.75

1.0

OUTPUT CURRENT IN AMPERES

1.25

1.5

Dwg. GP-064-2

Satlington™ Sink Driver Saturation Voltage

1.5

1.25

SINK DRIVER

TJ = +25°C

TJ = +70°C

TJ = +85°C

1.0

TJ = +125°C

0.75

0.5

0.25

0

0

0.25

0.5

0.75

1.0

1.25

1.5

OUTPUT CURRENT IN AMPERES

Dwg. GP-064-3

1.5

1.25

1.0

0.75

0.5

0.25

0

0

Clamp Diode Forward Voltage

SINK DIODE

TJ = +25°C

TJ = +70°C

TJ = +85°C

TJ = +125°C

0.25

0.5

0.75

1.0

FORWARD CURRENT IN AMPERES

1.25

1.5

Dwg. GD-003-1

Flyback Diode Forward Voltage

1.5

1.25

1.0

0.75

0.5

0.25

0

0

FLYBACK DIODE

TJ = +25°C

TJ = +70°C

TJ = +85°C

TJ = +125°C

0.25

0.5

0.75

1.0

FORWARD CURRENT IN AMPERES

1.25

1.5

Dwg. GD-003-2

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