3966_03 datasheet(3/9 Pages) ALLEGRO

Numer części	3966

Szczegółowy opis	DUAL FULL-BRIDGE PWM MOTOR DRIVER

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Producent	ALLEGRO [Allegro MicroSystems]

Strona internetowa	http://www.allegromicro.com

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3 / 9 page

3966

DUAL FULL-BRIDGE

PWM MOTOR DRIVER

www.allegromicro.com

3

Load Supply Voltage Range

VBB

Operating, IOUT = ±650 mA, L = 3 mH

VCC

—

30

V

Output Leakage Current

ICEX

VOUT

0

5

0

.

1

<

—

V

0

3

=

µA

VOUT

0

5

-

0

.

1

-

<

—

V

0

=

µA

Output Saturation Voltage

VCE(SAT)

Source Driver, IOUT = -400 mA

—

1.7

2.0

V

Source Driver, IOUT = -650 mA

—

1.8

2.1

V

Sink Driver, IOUT = +400 mA, VS = 0.5 V

—

0.3

0.5

V

Sink Driver, IOUT = +650 mA, VS = 0.5 V

—

0.7

1.3

V

Clamp Diode Forward Voltage

VF

IF

V

4

.

1

.

1

—

A

m

0

4

=

IF

V

6

.

1

4

.

1

—

A

m

0

5

6

=

Motor Supply Current

IBB(ON)

VENABLE1 = VENABLE2 = 0.8 V

—

3.0

5.0

mA

(No Load)

IBB(OFF)

VENABLE1 = VENABLE2 = 2.4 V

—

<1.0

200

µA

ELECTRICAL CHARACTERISTICS at TA = +25°C, VBB = 30 V, VCC = 4.75 V to 5.5 V, VREF = 2 V,

VS = 0 V, 56 kΩ & 680 pF RC to Ground (unless noted otherwise)

Limits

s

ti

n

U

.

x

a

M

.

p

y

T

.

n

i

M

s

n

o

it

i

d

n

o

C

t

s

e

T

l

o

b

m

y

S

c

it

s

ir

e

t

c

a

r

a

h

C

Output Drivers

Logic Supply Voltage Range

VCC

V

0

5

.

5

—

5

7

.

4

g

n

it

a

r

e

p

O

Logic Input Voltage

VIN(1)

2.4

—

V

VIN(0)

—

0.8

V

Logic Input Current

IIN(1)

VIN

0

2

0

.

1

<

—

V

4

.

2

=

µA

IIN(0)

VIN

0

2

-

0

2

-

<

—

V

8

.

0

=

µA

Reference Input Volt. Range

VREF

V

0

.

2

–

1

.

0

g

n

it

a

r

e

p

O

Reference Input Current

IREF

-2.5

0

1.0

µA

Reference Divider Ratio

VREF/VTRIP

3.8

4.0

4.2

—

Current-Sense Comparator

VIO

VREF

V

m

0

.

6

0

.

6

-

V

0

=

Input Offset Voltage

Current-Sense Comparator

VS

V

0

.

1

—

3

.

0

-

g

n

it

a

r

e

p

O

Input Voltage Range

Sense-Current Offset

ISO

IS – IOUT, 50 mA ≤ IOUT ≤ 650 mA

12

18

24

mA

Control Logic

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

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

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