UDN2987A-6-T datasheet(4/9 Pages) ALLEGRO

Part #	UDN2987A-6-T

Description	DABIC-5 8-Channel Source Driver with Overcurrent Protection

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Manufacturer	ALLEGRO [Allegro MicroSystems]

Direct Link	http://www.allegromicro.com

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DABIC-5 8-Channel Source Driver

with Overcurrent Protection

UDN2987x-6

4

Allegro MicroSystems, Inc.

115 Northeast Cutoff

Worcester, Massachusetts 01615-0036 U.S.A.

1.508.853.5000; www.allegromicro.com

ELECTRICAL CHARACTERISTICS, valid at T

A = 25°C, VOER = 2.4 V, VS = 35 V, unless otherwise noted

Characteristic

Symbol

Test Conditions

Min.

Typ.1

Max.

Units

Supply Voltage Functional Range

VS

4.75

—

35

V

Output Leakage Current2

IOUTCEX

VIN = 0.4 V, all inputs simultaneously

– 200

<–5.0

–

μA

Output Sustaining Voltage

VOUT(sus)

IOUT = –350 mA, L = 2.0 mH

35

—

V

Output Saturation Voltage

VOUT(SAT)

VIN = 2.4 V, IOUT = –100 mA

—

1.6

1.8

V

VIN = 2.4 V, IOUT = –225 mA

—

1.7

1.9

V

VIN = 2.4 V, IOUT = –350 mA

—

1.8

2.0

V

Channel Shut Down Threshold2

IM

VIN = 2.4 V, Vs = 30 V

–

–500

– 370

mA

FAULT Leakage Current

ICEX

VCC = 35 V

—

<1.0

100

μA

FAULT Saturation Voltage

VCE(SAT)

IC = 30 mA

—

0.3

0.8

V

Input Voltage

VIN(ON)

2.4

—

V

VIN(OFF)

—

0.4

V

Input Current: INx, OE/R

¯ pins

IIN(ON)

VIN = 2.4 V

—

100

μA

VIN = 5.0 V

—

600

μA

VIN = 12 V

—

1000

μA

IIN(OFF)

VIN = 0.4 V

—

15

μA

Clamp Diode Leakage Current

IR

VR = 35 V, TA = 70°C

—

50

μA

Clamp Diode Forward Voltage

VF

IF = 350 mA

—

1.5

1.8

V

Supply Current

IS(ON)

VIN = 2.4 V, all inputs simultaneously; outputs open

—

7.0

18

mA

IS(OFF)

VIN = 0.4 V, all inputs simultaneously

—

6.0

12

mA

Thermal Shut Down

TJTSD

—

165

—

°C

Thermal Hysteresis

TJTSDhys

—15—°C

Reset Pulse Duration

tRPD

1.0

—

μs

Propagation Delay Time

tPLH

VS = 35 V, RL = 100 Ω, CLOAD = 30 pF

—

100

600

ns

tPHL

VS = 35 V, RL = 100 Ω, CLOAD = 30 pF

—

200

1000

ns

Blank Time

tBLANK

—

1.0

—

μs

1Typical data are for initial design estimations only, and assume optimum manufacturing and application conditions. Performance may vary for indi-

vidual units, within the specified maximum and minimum limits.

2For input and output current specifications, negative current is defined as coming out of (sourcing) the specified device pin.

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