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7003 View Datasheet(PDF) - Allegro MicroSystems

Part NameDescriptionManufacturer
7003 HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAY Allegro
Allegro MicroSystems Allegro
7003 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
7003
HIGH-VOLTAGE,
HIGH-CURRENT
DARLINGTON ARRAY
2.5
2.0
SUFFIX 'A', R θJA = 60°C/W
1.5
1.0
SUFFIX 'LW', R = 80°C/W
θJA
0.5
0
25
50
75
100
125
150
AMBIENT TEMPERATURE IN °C
Dwg. GP-018B
A Zener diode can be used to increase the flyback
voltage. This gives a much faster inductive load turn-
OFF current decay. The maximum Zener voltage plus
the load supply voltage plus the internal diode forward
voltage must not exceed the device’s rated sustaining
voltage.
VCC + VZ + VF
V CC
V CC + VF
V CE(SAT)
I OUT
I CEX
ZENER CLAMP
DIODE CLAMP
Dwg. WP-001
PARTIAL SCHEMATIC
(one of seven drivers)
COM
2.7K
7.2K 3K
Dwg. No. A-9651
SWITCHING DELAY TEST CIRCUIT
Vin
50%
0
50%
t pd
TURN ON
t pd
TURN OFF
V out
50%
50%
Vin = 3.5 V for ULN7003A
Dwg. WP-010
Dwg. No. WP-010
PULSE
GENERATOR
PRR = 10 kHz
DC = 50%
V in
93
50
V CC
IC
50 pF
V out
Dwg. EP-020
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1985, 2000 Allegro MicroSystems, Inc.
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