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7003 HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAY
7003
HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAY
Integrating seven high-voltage, high-current npn Darlingtons into a monolithic power array, the ULN7003A AND ULN7003LW are designed for interfacing between TTL or CMOS logic and a variety of peripheral loads. The seven open-collector Darlington outputs are specified for 135 V minimum breakdown and 90 V minimum sustaining. Included are integral power diodes for switching inductive loads. Typical applications include relays, lamps, print heads and hammers, solenoids, and level shifting to power discretes. The ULN7003A/LW include input current-limiting resistors compatible with the drive capabilities of TTL and (most) CMOS operating 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 techniques are used. The increased flyback voltage provides a much faster inductive load turn-OFF current decay that is especially useful with 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.
Data Sheet 29304.10A
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
Dwg. No. A-9594
Note the ULN7003A (DIP) and the ULN7003LW (SOIC) are electrically identical and share a common terminal number assignment.
ABSOLUTE MAXIMUM RATINGS
at TA = +25C
Output Voltage, VCEX . . . . . . . . . . . . . 135 V Output Sustaining Voltage, VCE(sus) . . . . . . . . . . . . . . . . . . . 90 V Output Current, IC . . . . . . . . . . . . . . 300 mA Input Current, IIN . . . . . . . . . . . . . . . . 25 mA Package Power Dissipation, PD . . . . . . . . . . . . . . . . . . See Graph Operating Temperature Range, TA . . . . . . . . . . . . . . . -20C to +85C Storage Temperature Range, TS . . . . . . . . . . . . . . - 55C to +150C Output current may be limited by duty cycle, number of drivers operating, ambient temperature, and heat sinking. Under any set of conditions, do not exceed the specified maximum current rating or a junction temperature of 150C.
FEATURES
s 135 V Minimum Output Breakdown s 90 V Minimum Sustaining Voltage s 300 mA Output Current s Internal High-Current Clamp Diodes s Logic-Compatible Inputs
Always order by complete part number:
Part Number ULN7003A ULN7003LW Package 16-Pin DIP 16-Lead SOIC
7003 HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAY
ALLOWABLE PACKAGE POWER DISSIPATION IN WATTS
2.5
PARTIAL SCHEMATIC
(one of seven drivers)
SUFFIX 'A', R JA = 60C/W
2.0
COM
2.7K
1.5
1.0
7.2K
SUFFIX 'LW', R = 80C/W
3K
0.5
JA
Dwg. No. A-9651
0 25
50 75 100 125 AMBIENT TEMPERATURE IN C
150
Dwg. GP-018B
SWITCHING DELAY TEST CIRCUIT
V in 50% 50%
0
A Zener diode can be used to increase the flyback voltage. This gives a much faster inductive load turnOFF 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 + V F
t pd TURN ON
t pd TURN OFF
V out
50%
50%
Vin = 3.5 V for ULN7003A
V CC V CC + V F
Dwg. No. WP-010
OUTPUT VOLTAGE
V CE(SAT) I OUT ZENER CLAMP DIODE CLAMP
V CC IC V in PULSE GENERATOR PRR = 10 kHz DC = 50% 93 V out 50 50 pF
OUTPUT CURRENT
I CEX
Dwg. No. WP-001
Dwg. No. EP-020
115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Copyright (c) 1985, 1998, Allegro MicroSystems, Inc.
7003 HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAY
ELECTRICAL CHARACTERISTICS at TA = +25C (unless otherwise noted).
Characteristic Output Leakage Current Symbol ICEX Test Conditions VCE = 135 V VCE = 135 V, TA = +70C Output Sustaining Voltage Output Saturation Voltage VCE(sus) VCE(SAT) IC = 250 mA, L = 2 mH IC = 100 mA, IIN = 250 A IC = 250 mA, IIN = 350 A Input Current IIN(ON) IIN(OFF) Input Voltage VIN(ON) VIN = 3.85 V IC = 500 A, TA = +70C VCE = 2.0 V, IC = 200 mA VCE = 2.0 V, IC = 250 mA Input Capacitance Switching Delay CIN tpd Turn On, IC = 250 mA Turn Off, IC = 250 mA Clamp Diode Leakage Current IR VR = 150 V VR = 150 V, TA = +70C Clamp Diode Forward Voltage
Typical Data is for design information only.
Min. -- -- 90 -- -- -- 50 -- -- -- -- -- -- -- --
Typ. -- -- -- 1.1 1.3 0.93 65 -- -- 15 0.05 0.5 -- -- 1.7
Limits Max. 50 100 -- 1.3 1.6 1.35 -- 2.4 2.7 25 1.0 1.0 50 100 2.0
Units A A V V V mA A V V pF s s A A V
VF
IF = 250 mA
TYPICAL INPUT CURRENT AS A FUNCTION OF INPUT VOLTAGE
at TA = +25C
7003 HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAY
ALLOWABLE PEAK COLLECTOR CURRENT AS A FUNCTION OF DUTY CYCLE
ULN7003A at TA = +50C ULN7003A at TA = +70C
300 4 5 250 7 6
300 3 250 4 5 6 7 200 NUMBER OF OUTPUTS CONDUCTING SIMULTANEOUSLY
PEAK COLLECTOR CURRENT IN mA
200
NUMBER OF OUTPUTS CONDUCTING SIMULTANEOUSLY
PEAK COLLECTOR CURRENT IN mA
150
150
TA = +50C RJA = 60C/W 100
TA = +70C RJA = 60C/W 100
75 10 20 30 50 70 100
Dwg. GP-015A
75 10 20 30 50 70 100
Dwg. GP-015-1A
DUTY CYCLE IN PER CENT
DUTY CYCLE IN PER CENT
ULN7003LW at TA = +50C
ULN7003LW at TA = +70C
300 4 5 6 7 200 NUMBER OF OUTPUTS CONDUCTING SIMULTANEOUSLY 3
300
250
250
3 4 5
PEAK COLLECTOR CURRENT IN mA
PEAK COLLECTOR CURRENT IN mA
200 7 NUMBER OF OUTPUTS CONDUCTING SIMULTANEOUSLY 150
6
150
TA = +50C RJA = 80C/W 100
TA = +70C RJA = 80C/W 100
75 10 20 30 50 70 100
Dwg. GP-015-2
75 10 20 30 50 70 100
Dwg. GP-015-3
DUTY CYCLE IN PER CENT
DUTY CYCLE IN PER CENT
115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000
7003 HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAY
ULN7003A
Dimensions in Inches (controlling dimensions)
0.014 0.008
16
9
0.430 0.280 0.240
MAX
0.300
BSC
1 0.070 0.045
0.100 0.775 0.735
BSC
8 0.005
MIN
0.210
MAX
0.015
MIN
0.150 0.115 0.022 0.014
Dwg. MA-001-16A in
Dimensions in Millimeters (for reference only)
16 9 0.355 0.204
10.92 7.11 6.10
MAX
7.62
BSC
1 1.77 1.15
2.54 19.68 18.67
BSC
8 0.13
MIN
5.33
MAX
0.39
MIN
3.81 2.93 0.558 0.356
Dwg. MA-001-16A mm
NOTES: 1. Lead thickness is measured at seating plane or below. 2. Lead spacing tolerance is non-cumulative. 3. Exact body and lead configuration at vendor's option within limits shown.
7003 HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAY
ULN7003LW
Dimensions in Inches (for reference only)
16 9 0.0125 0.0091
0.2992 0.2914
0.419 0.394
0.050 0.016 0.020 0.013
1
2
3 0.4133 0.3977
0.050
BSC
0 TO 8
0.0926 0.1043 0.0040 MIN.
Dwg. MA-008-16A in
Dimensions in Millimeters (controlling dimensions)
16 9 0.32 0.23
7.60 7.40
10.65 10.00
1.27 0.40 0.51 0.33
1
2
3 10.50 10.10
1.27
BSC
0 TO 8
2.65 2.35 0.10 MIN.
Dwg. MA-008-16A mm
NOTES: 1. Exact body and lead configuration at vendor's option within limits shown. 2. Lead spacing tolerance is non-cumulative.
Allegro MicroSystems, Inc. reserves the right to make, from time to time, such departures from the detail specifications as may be required to permit improvements in the design of its products. The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its use; nor for any infringements of patents or other rights of third parties which may result from its use.
115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000

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