3965 datasheet(3/7 Pages) ALLEGRO

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3965 DMOS Dual Full Bridge

PWM Motor Driver

ELECTRICAL CHARACTERISTICS at TA = +25°C, VBB = 20 V, VDD = 3.0 V, VSENSE = 0.5 V, fPWM < 50KHz (unless

noted otherwise)

Limits

Characteristics

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Output Drivers

Load Supply Voltage Range

VBB

Operating, IOUT = ±500 mA

–

During Sleep Mode

Output Leakage Current

IDSS

VOUT = VBB

–

<1.0

µA

VOUT = 0 V

–

<–1.0

-20

µA

Output On Resistance

RDSON

Source Driver, IOUT = -500 mA

–

1.2

1.35

Ω

Sink Driver, IOUT = 500 mA

–

.75

Ω

Source Driver, IOUT = -500 mA; VBB=6V

1.3

1.5

Ω

Sink Driver, IOUT = 500 mA, VBB=6V

.85

1.0

Ω

Body Diode Forward Voltage

Source Diode, IF = -500 mA

–

Sink Diode, IF = 500mA

–

Motor Supply Current

IBB

fPWM < 50 kHz

–

3.5

Charge Pump On, Outputs Disabled

–

1.5

Sleep Mode

–

IDD

fPWM < 50 kHz

4.5

Outputs Off

3.6

Logic Supply Current

Sleep Mode (Inputs below .5V)

µA

Control Logic

Logic Supply Voltage Range

VDD

Operating

2.85

5.5

Logic Input Voltage

VIN(1)

VDD*.7

–

VIN(0)

–

VDD*.3

Logic Input Current

IIN(1)

VIN = VDD*.7

-20

<1.0

µA

IIN(0)

VIN = VDD*.3

-20

<1.0

µA

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