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Allegro MicroSystems
Allegro MicroSystems

7003 Datasheet Preview

7003 Datasheet

HIGH-VOLTAGE/ HIGH-CURRENT DARLINGTON ARRAY

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7003 pdf
7003
HIGH-VOLTAGE, HIGH-CURRENT
DARLINGTON ARRAY
Integrating seven high-voltage, high-current npn Darlingtons into
1 16 a monolithic power array, the ULN7003A AND ULN7003LW are
designed for interfacing between TTL or CMOS logic and a variety of
2 15 peripheral loads. The seven open-collector Darlington outputs are
specified for 135 V minimum breakdown and 90 V minimum sustain-
3 14 ing. Included are integral power diodes for switching inductive loads.
4 13 Typical applications include relays, lamps, print heads and hammers,
solenoids, and level shifting to power discretes.
5 12
The ULN7003A/LW include input current-limiting resistors
6 11 compatible with the drive capabilities of TTL and (most) CMOS
7 10
89
Dwg. No. A-9594
Note the ULN7003A (DIP) and the ULN7003LW
(SOIC) are electrically identical and share a
BUYoperating at a nominal logic supply of 5 V. Operation with 12 V
CMOS may require additional input current limiting.
The high sustaining voltage rating of this power array makes it
ideal for inductive load applications where Zener diode flyback tech-
niques are used. The increased flyback voltage provides a much faster
inductive load turn-off current decay that is especially useful with
common terminal number assignment.
IME 01 —ABSOLUTE MAXIMUM RATINGS
0at TA = +25°C
T , 2Output Voltage, VCEX . . . . . . . . . . . . . 135 V
2Output Sustaining Voltage,
T rilVCE(sus) . . . . . . . . . . . . . . . . . . . 90 V
Output Current, IC . . . . . . . . . . . . . . 300 mA
S pInput Current, IIN . . . . . . . . . . . . . . . . 25 mA
APackage Power Dissipation,
APD . . . . . . . . . . . . . . . . . . See Graph
L Operating Temperature Range,
dc stepper motors, solenoids, and print heads.
Both devices are pinned with outputs opposite inputs to facilitate
ease of circuit board layout. The ULN7003A is supplied in a 16-pin
plastic dual in-line package with a copper lead frame to maximize
device power dissipation capabilities. The ULN7003LW is furnished
in a 16-lead small-outline wide-body package for surface-mount
applications.
FEATURES
I 135 V Minimum Output Breakdown
I 90 V Minimum Sustaining Voltage
I 300 mA Output Current
I Internal High-Current Clamp Diodes
I Logic-Compatible Inputs
TA . . . . . . . . . . . . . . . -20°C to +85°C
Storage Temperature Range,
TS . . . . . . . . . . . . . . - 55°C to +150°C
Output current may be limited by duty cycle,
number of drivers operating, ambient tem-
perature, and heat sinking. Under any set of
conditions, do not exceed the specified maximum
current rating or a junction temperature of 150°C.
Always order by complete part number:
Part Number
Package
ULN7003A
16-Pin DIP
ULN7003LW
16-Lead SOIC




Allegro MicroSystems
Allegro MicroSystems

7003 Datasheet Preview

7003 Datasheet

HIGH-VOLTAGE/ HIGH-CURRENT DARLINGTON ARRAY

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7003 pdf
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.




Allegro MicroSystems
Allegro MicroSystems

7003 Datasheet Preview

7003 Datasheet

HIGH-VOLTAGE/ HIGH-CURRENT DARLINGTON ARRAY

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7003 pdf
7003
HIGH-VOLTAGE,
HIGH-CURRENT
DARLINGTON ARRAY
ELECTRICAL CHARACTERISTICS at TA = +25°C (unless otherwise noted).
Characteristic
Output Leakage Current
Output Sustaining Voltage
Output Saturation Voltage
Input Current
Input Voltage
Input Capacitance
Switching Delay
Clamp Diode Leakage Current
Clamp Diode Forward Voltage
Symbol
ICEX
VCE(sus)
VCE(SAT)
IIN(ON)
IIN(OFF)
VIN(ON)
CIN
tpd
IR
VF
Test Conditions
VCE = 135 V
VCE = 135 V, TA = +70°C
IC = 250 mA, L = 2 mH
IC = 100 mA, IIN = 250 µA
IC = 250 mA, IIN = 350 µA
VIN = 3.85 V
IC = 500 µA, TA = +70°C
VCE = 2.0 V, IC = 200 mA
VCE = 2.0 V, IC = 250 mA
Turn On, IC = 250 mA
Turn Off, IC = 250 mA
VR = 150 V
VR = 150 V, TA = +70°C
IF = 250 mA
Min.
90
50
Limits
Typ.
Max.
— 50
— 100
——
1.1 1.3
1.3 1.6
0.93 1.35
65 —
— 2.4
— 2.7
15 25
0.05 1.0
0.5 1.0
— 50
— 100
1.7 2.0
Typical Data is for design information only.
Units
µA
µA
V
V
V
mA
µA
V
V
pF
µs
µs
µA
µA
V
TYPICAL INPUT CURRENT
AS A FUNCTION OF INPUT VOLTAGE
at TA = +25°C
www.allegromicro.com




Part Number 7003
Description HIGH-VOLTAGE/ HIGH-CURRENT DARLINGTON ARRAY
Maker Allegro MicroSystems
Total Page 8 Pages
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