2596 datasheet(2/4 Pages) ALLEGRO

2 / 4 page

2596 AND 2597

8-CHANNEL

SATURATED SINK DRIVERS

115 Northeast Cutoff, Box 15036

Worcester, Massachusetts 01615-0036 (508) 853-5000

Limits

Characteristics

Symbol

Devices

Test Conditions

Min.

Max.

Units

Output Leakage Current

ICEX

Both

VOUT = 50 V, VIN = 2.4 V

—

µA

Output Sustaining Voltage

VCE(sus)

UDN2596A

lOUT = 300 mA, L = 2 mH

—

UDN2597A

lOUT = 750 mA, L = 2 mH

—

Output Saturation Voltage

VCE(SAT)

UDN2596A

lOUT = 300 mA

—

0.5

UDN2597A

lOUT = 750 mA

—

1.0

Clamp Diode Leakage Current

Both

VR = 50 V

—

µA

Clamp Diode Forward Voltage

UDN2596A

IF = 300 mA

—

1.8

UDN2597A

IF = 750 mA

—

1.8

Logic lnput Current

IlN(0)

UDN2956A

VIN = 0.8 V

—

-15

µA

UDN2597A

VIN = 0.8 V

—

-50

µA

IlN(1)

Both

VIN = 2.4 V

—

µA

Supply Current

ICC(ON)

UDN2596A

any one driver VIN = 0.8 V

—

6.0

UDN2597A

any one driver VIN = 0.8 V

—

ICC(OFF)

UDN2596A

all drivers VIN = 2.4 V

0.75

1.3

UDN2597A

all drivers VIN = 2.4 V

0.75

Turn-On Delay

tpd0

Both

0.5 EIN to 0.5 EOUT

—

3.0

µs

Turn-Off Delay

tpd1

Both

0.5 EIN to 0.5 EOUT

—

2.0

µs

Applicable

ELECTRICAL CHARACTERISTICS at TA = +25°C, VCC = 5.0 V

RECOMMENDED

OPERATING CONDITIONS

Type Number

Logic

IOUT

UDN2596A

5.0 V

300 mA

UDN2597A

5.0 V

750 mA

Note: Pins 2 and 12 must both be connected to

power ground.

TYPICAL APPLICATION

DUAL STEPPER MOTOR DRIVE

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