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2985

8-CHANNEL SOURCE DRIVER

Allegro MicroSystems 

2985

8-CHANNEL

SOURCE DRIVER

ELECTRICAL CHARACTERISTICS at TA = 25°C, VS = 30 V (unless otherwise noted).

Characteristics

Symbol

Test Conditions

Min.

Output Leakage Current

Output Sustaining Voltage

Output Saturation Voltage

ICEX

VCE(sus)

VCE(SAT)

Input Current Voltage

IIN(ON)

Supply Current

(outputs open)

IIN(OFF)

IS

VIN = 0.4 V, VOUT = 0 V

—

lOUT = -120 mA, L = 3 mH

15

VIN = 2.4, lOUT = -60 mA

—

VIN = 2.4, lOUT = -120 mA

—

VIN = 2.4 V

—

VIN = 5.0 V

—

VIN = 0.4 V

—

VS = 30 V, VIN = 2.4 V

—

Clamp Diode

IR

Leakage Current

VR = 30 V, TA = 70°C

—

Clamp Diode

VF

IF = 120 mA

—

Foward Voltage

Turn-On Delay

tON

—

Turn-Off Delay

tOFF

—

NOTE: Negative current is defined as coming out of (sourcing) the specified device pin.

Limits

Typ.

Max.

<-1.0

-100

—

—

0.8

1.1

0.9

1.2

90

225

280

650

10

15

10

15

<1.0

50

1.1

2.0

0.5

1.0

5.0

10

Units

µA

V

V

V

µA

µA

µA

mA

µA

V

µs

µs

COMMON-CATHODE LED DRIVER

115 Northeast Cutoff, Box 15036

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

Copyright © 1984, 2000 Allegro MicroSystems, Inc.

Dwg. No. DS-1014

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