3964 datasheet(3/10 Pages) ALLEGRO

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3964

DUAL FULL-BRIDGE

PWM MOTOR DRIVER

NOTES: 1. Typical Data is for design information only.

2. Negative current is defined as coming out of (sourcing) the specified device terminal.

TRUTH TABLE

ENABLE

PHASE

OUTA

OUTB

Off

HHL

ELECTRICAL CHARACTERISTICS at TA = +25°C, VBB = 30 V, VCC = 4.75 V to 5.25 V,

VS = 0 V, 30 kΩ & 1000 pF RC to Ground (unless noted otherwise)

Limits

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Load Supply Voltage Range

VBB

Operating, IOUT = ±800 mA, L = 3 mH

5.0

—

Output Sustaining Voltage

VCE(sus)

IOUT = ±800 mA, L = 3 mH, VBB = 33 V

—

Output Leakage Current

ICEX

VOUT = VBB = 33 V

—

<1.0

µA

VOUT = 0 V, VBB = 33 V

—

<1.0

-50

µA

Output Saturation Voltage

VCE(SAT)

Source Driver, IOUT = -500 mA

—

1.0

1.2

Source Driver, IOUT = -750 mA

—

1.1

1.5

Source Driver, IOUT = -800 mA

—

1.7

Sink Driver, IOUT = +500 mA

—

0.3

0.6

Sink Driver, IOUT = +750 mA

—

0.5

1.2

Sink Driver, IOUT = +800 mA

—

1.5

Clamp Diode Forward Voltage

IF = 500 mA

—

1.1

1.4

(Sink or Source)

IF = 750 mA

—

1.3

1.6

IF = 800 mA

—

1.7

Motor Supply Current

IBB(ON)

VENABLE = 0.8 V

—

2.0

4.0

(No Load)

IBB(OFF)

VENABLE = 2.4 V

—

500

µA

Output Drivers

X = Irrelevant

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