A3973KB datasheet(3/5 Pages) ALLEGRO

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3976 Dual Protected PWM Motor Driver

ELECTRICAL CHARACTERISTICS at TA = -40 °C to +125°C, VBB = 30 V, VCC = 5.0 V (Unless noted otherwise)

Limits

Characteristics

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Output Drivers

Load Supply Voltage Range

VBB

Operating

–

Logic Supply Range

VCC

Operating

4.5

5.5

Output Current Limit

ICL

Outputs A or B = GROUND

0.7

1.1

–

Outputs A or B = VBB

0.7

1.1

–

Output Leakage Current

ICEX

VOUT = VBB

–

<1.0

µA

VOUT = 0 V

–

<1.0

-50

µA

Output Saturation Voltage

VCE(SAT)

Source Driver, I

OUT = -350 mA

–

1.0

1.2

Source Driver, IOUT = -500 ma

–

1.2

1.3

Sink Driver, I

OUT = +350 mA

–

0.2

0.4

Sink Driver, IOUT = +500 ma

–

0.4

0.6

Clamp Diode Forward Voltage

IF = 500 mA (Sink / Ground Clamp)

–

1.2

1.5

(Flyback or Ground Clamp)

IF = 500 mA (Source / Flyback)

–

1.55

2.0

Control Logic

Motor Supply Current

IBB

ENABLE1 = ENABLE2 = High

–

(No Load)

Sleep Mode ENABLE1 = ENABLE2 = Low

–

µA

Logic Supply Current

ICC

ENABLE1 = ENABLE2 = High

–

Sleep Mode, ENABLE1 = ENABLE2 = Low

–

µA

Logic Input Voltage

VIN(1)

0.7VCC

–

VIN(0)

–

.3VCC

Logic Input Current

IIN(1)

VIN = 5 V

–

100

µA

IIN(0)

VIN = 0V

–

-1.0

-2.0

µA

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