ULN7003 Allegro MicroSystems, Inc., ULN7003 Datasheet - Page 2

• Manufacturer Part Number: ULN7003
• Description: High-voltage, High-current Darlington Array
• Manufacturer: Allegro MicroSystems, Inc.

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.
7003
HIGH-VOLTAGE,
HIGH-CURRENT
DARLINGTON ARRAY
A Zener diode can be used to increase the flyback
2.5
2.0
1.5
1.0
0.5
0
V
I
25
V
I
OUT
CEX
CC
CE(SAT)
SUFFIX 'LW', R
SUFFIX 'A', R
50
AMBIENT TEMPERATURE IN C
JA
75
JA
= 60 C/W
= 80 C/W
V
100
CC
+ V + V
ZENER CLAMP
Z
125
F
DIODE CLAMP
Dwg. WP-001
Dwg. GP-018B
V
CC
150
+ V
F
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
Copyright © 1985, 2001 Allegro MicroSystems, Inc.
GENERATOR
PRR = 10 kHz
DC = 50%
PULSE
V in
0
V out
TURN ON
t pd
V
50%
2.7K
in
50
V
50%
in
93
= 3.5 V for ULN7003A
7.2K
TURN OFF
50%
3K
t pd
Dwg. WP-010
50%
50 pF
COM
Dwg. EP-020
V
I
Dwg. No. A-9651
CC
C
V
out