2961 datasheet(3/12 Pages) ALLEGRO

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2961

HIGH-CURRENT

HALF-BRIDGE

PRINTHEAD/MOTOR DRIVER

Limits

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Output Drivers

Output Leakage Current

ICEX

VEN = 0.8 V, VSOURCE = 0 V

—

<-1.0

-100

µA

VEN = 0.8 V, VSINK = 45 V

—

<1.0

100

µA

Output Saturation Voltage

VCE(SAT)

Source Driver, IOUT = -3.4 A

—

1.6

2.2

Source Driver, IOUT = -3.0 A

—

1.5

—

Sink Driver, IOUT = 3.4 A

—

1.0

1.4

Sink Driver, IOUT = 3.0 A

—

0.9

—

Output Sustaining Voltage

VCE(sus)

IOUT = ±3.4 A, L = 3 mH

—

Recovery Diode Leakage Current

VR = 45 V

—

<1.0

100

µA

Recovery Diode Forward Voltage

IF = 3.4 A

—

2.0

Motor Supply Current

IBB(on)

VEN = 2.0 V, VIN = 0.8 V, No Load

—

IBB(off)

VEN = 0.8 V

—

2.5

Output Rise Time

Source Driver, IOUT = -3.4 A

—

600

Sink Driver, IOUT = 3.4 A

—

600

Output Fall Time

Source Driver, IOUT = -3.4 A

—

600

Sink Driver, IOUT = 3.4 A

—

600

Control Logic

Logic Input Voltage

VIN(1)

2.0

—

VIN(0)

—

0.8

Logic Input Current

IIN(1)

VIN = 5.0 V

—

µA

IIN(0)

VIN = 0 V

—

-1.0

Reference Input Current

IREF

VREF = 5.0 V

—

µA

Transconductance

ITRIP/VREF

VREF = 1.0 V

0.9

1.0

1.1

A/V

VREF = 3.2 V

0.9

1.0

1.1

A/V

Logic Supply Current

ICC

VEN = 2.0 V, VIN = 0.8 V, No Load

—

160

VEN = 0.8 V

—

Turn On Delay

tpd(on)

Source Driver

—

600

Sink Driver

—

600

Turn Off Delay

tpd(off)

Source Driver

—

2.0

µs

Sink Driver

—

2.0

µs

Thermal Shutdown Temperature

—

165

—

°C

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

ELECTRICAL CHARACTERISTICS at TA = +25°C, VBB = 45 V,

VCC = 4.75 V to 5.25 V, RCV = 2940 Ω (unless otherwise noted).

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