UDN2987 datasheet(3/8 Pages) ALLEGRO

Part #	UDN2987

Description	8-CHANNEL SOURCE DRIVER WITH OVER-CURRENT PROTECTION

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Manufacturer	ALLEGRO [Allegro MicroSystems]

Direct Link	http://www.allegromicro.com

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3 / 8 page

2987

8-CHANNEL

SOURCE DRIVER

ELECTRICAL CHARACTERISTICS at TA = 25°C, VOE = 2.4 V, VS = 35 V

(unless otherwise noted).

Limits

Characteristic

Symbol

Test Conditions

Min.

Typ.

Max.

Units

Functional Supply Range

VS

7.0

—

35

V

Output Leakage Current

ICEX

VIN = 0.4 V*

—

<-5.0

-200

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 Shutdown Threshold

IM

VIN = 2.4 V

-370

-500

—

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

IIN(ON)

VIN = 2.4 V

—

125

170

µA

VIN = 5.0 V

—

840

1020

µA

VIN = 12 V

—

1500

1800

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*, Outputs Open

—

13

18

mA

IS(OFF)

VIN = 0.4 V*

—

8.0

12

mA

Thermal Shutdown

TJ

—

165

—

°C

Thermal Hysteresis

∆T

J

—15

—

°C

Propagation Delay Time

tPLH

RL = 100Ω

—

0.3

0.6

µs

tPHL

RL = 100Ω

—

2.0

4.0

µs

Dead Time

td

—

1.0

—

µs

*AII inputs simultaneously.

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