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2003 THRU 2024
HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAYS
1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9
Ideally suited for interfacing between low-level logic circuitry and multiple peripheral power loads, the Series ULN20xxA/L high-voltage, high-current Darlington arrays feature continuous load current ratings to 500 mA for each of the seven drivers. At an appropriate duty cycle depending on ambient temperature and number of drivers turned ON simultaneously, typical power loads totaling over 230 W (350 mA x 7, 95 V) can be controlled. Typical loads include relays, solenoids, stepping motors, magnetic print hammers, multiplexed LED and incandescent displays, and heaters. All devices feature open-collector outputs with integral clamp diodes. The ULN2003A/L and ULN2023A/L have series input resistors selected for operation directly with 5 V TTL or CMOS. These devices will handle numerous interface needs -- particularly those beyond the capabilities of standard logic buffers. The ULN2004A/L and ULN2024A/L have series input resistors for operation directly from 6 to 15 V CMOS or PMOS logic outputs.
Data Sheet 29304F
Dwg. No. A-9594
Note that the ULN20xxA series (dual in-line package) and ULN20xxL series (small-outline IC package) are electrically identical and share a common terminal number assignment.
The ULN2003A/L and ULN2004A/L are the standard Darlington arrays. The outputs are capable of sinking 500 mA and will withstand at least 50 V in the OFF state. Outputs may be paralleled for higher load current capability. The ULN2023A/L and ULN2024A/L will withstand 95 V in the OFF state. These Darlington arrays are furnished in 16-pin dual in-line plastic packages (suffix "A") and 16-lead surface-mountable SOICs (suffix "L"). All devices are pinned with outputs opposite inputs to facilitate ease of circuit board layout. All devices are rated for operation over the temperature range of -20C to +85C. Most (see matrix, next page) are also available for operation to -40C; to order, change the prefix from "ULN" to "ULQ".
ABSOLUTE MAXIMUM RATINGS
Output Voltage, VCE (ULN200xA and ULN200xL) ........ 50 V (ULN202xA and ULN202xL) ........ 95 V Input Voltage, VIN ................................ 30 V Continuous Output Current, IC ................................................. 500 mA Continuous Input Current, IIN ........... 25 mA Power Dissipation, PD (one Darlington pair) ..................... 1.0 W (total package) ....................... See Graph Operating Temperature Range, TA .................................. -20C to +85C Storage Temperature Range, TS ................................. -55C to +150C
FEATURES
I TTL, DTL, PMOS, or CMOS-Compatible Inputs I Output Current to 500 mA I Output Voltage to 95 V I Transient-Protected Outputs I Dual In-Line Plastic Package or Small-Outline IC Package
x = digit to identify specific device. Characteristic shown applies to family of devices with remaining digits as shown. See matrix on next page.
2003 THRU 2024 HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAYS
DEVICE PART NUMBER DESIGNATION
VCE(MAX) IC(MAX) Logic 5V TTL, CMOS 6-15 V CMOS, PMOS ULN2003A* ULN2003L* ULN2004A* ULN2004L* 50 V 500 mA Part Number ULN2023A* ULN2023L ULN2024A ULN2024L 95 V 500 mA
PARTIAL SCHEMATICS
ULN20x3A/L (Each Driver)
*Also available for operation between -40C and +85C. To order, change prefix from "ULN" to "ULQ".
COM
7.2K
3K
ALLOWABLE PACKAGE POWER DISSIPATION IN WATTS
2.7K
2.5
2.0
SUFFIX 'A', R JA = 60C/W
1.5
Dwg. No. A-9651
ULN20x4A/L (Each Driver)
1.0
COM
10.5K
0.5
SUFFIX 'L', R JA = 90C/W
0
7.2K
3K
25
50 75 100 125 AMBIENT TEMPERATURE IN C
150
Dwg. GP-006A
Dwg. No. A-9898A
X = Digit to identify specific device. Specification shown applies to family of devices with remaining digits as shown. See matrix above.
115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright (c) 1974, 1998 Allegro MicroSystems, Inc.
2003 THRU 2024
HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAYS
Types ULN2003A, ULN2003L, ULN2004A, and ULN2004L ELECTRICAL CHARACTERISTICS at +25C (unless otherwise noted).
Characteristic Output Leakage Current Symbol ICEX Test Fig. 1A Applicable Devices All Test Conditions VCE = 50 V, TA = 25C VCE = 50 V, TA = 70C 1B Collector-Emitter Saturation Voltage VCE(SAT) 2 ULN2004A/L All VCE = 50 V, TA = 70C, VIN = 1.0 V IC = 100 mA, IB = 250 A lC = 200 mA, IB = 350 A IC = 350 mA, IB = 500 A Input Current IIN(ON) 3 ULN2003A/L ULN2004A/L VIN = 3.85 V VIN = 5.0 V VIN = 12 V IIN(OFF) Input Voltage VIN(ON) 4 5 All ULN2003A/L lC = 500 A, TA = 70C VCE = 2.0 V, lC = 200 mA VCE = 2.0 V, IC = 250 mA VCE = 2.0 V, lC = 300 mA ULN2004A/L VCE = 2.0 V, lC = 125 mA VCE = 2.0 V, lC = 200 mA VCE = 2.0 V, IC = 275 mA VCE = 2.0 V, lC = 350 mA Input Capacitance Turn-On Delay Turn-Off Delay Clamp Diode Leakage Current Clamp Diode Forward Voltage CIN tPLH tPHL IR VF -- 8 8 6 All All All All 0.5 EIN to 0.5 EOUT 0.5 EIN to 0.5 EOUT VR = 50 V, TA = 25C VR = 50 V, TA = 70C 7 All IF = 350 mA Min. -- -- -- -- -- -- -- -- -- 50 -- -- -- -- -- -- -- -- -- -- -- -- -- Limits Typ. Max. <1 <1 <5 0.9 1.1 1.3 0.93 0.35 1.0 65 -- -- -- -- -- -- -- 15 0.25 0.25 -- -- 1.7 50 100 500 1.1 1.3 1.6 1.35 0.5 1.45 -- 2.4 2.7 3.0 5.0 6.0 7.0 8.0 25 1.0 1.0 50 100 2.0 Units A A A V V V mA mA mA A V V V V V V V pF s s A A V
Complete part number includes suffix to identify package style: A = DIP, L = SOIC.
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2003 THRU 2024 HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAYS
Types ULN2023A, ULN2023L, ULN2024A, and ULN2024L ELECTRICAL CHARACTERISTICS at +25C (unless otherwise noted).
Characteristic Output Leakage Current Symbol ICEX Test Fig. 1A Applicable Devices All Test Conditions VCE = 95 V, TA = 25C VCE = 95 V, TA = 70C 1B Collector-Emitter Saturation Voltage VCE(SAT) 2 ULN2024A/L All VCE = 95 V, TA = 70C, VIN = 1.0 V IC = 100 mA, IB = 250 A lC = 200 mA, IB = 350 A IC = 350 mA, IB = 500 A Input Current IIN(ON) 3 ULN2023A/L ULN2024A/L VIN = 3.85 V VIN = 5.0 V VIN = 12 V IIN(OFF) Input Voltage VIN(ON) 4 5 All ULN2023A/L lC = 500 A, TA = 70C VCE = 2.0 V, lC = 200 mA VCE = 2.0 V, IC = 250 mA VCE = 2.0 V, lC = 300 mA ULN2024A/L VCE = 2.0 V, lC = 125 mA VCE = 2.0 V, lC = 200 mA VCE = 2.0 V, IC = 275 mA VCE = 2.0 V, lC = 350 mA Input Capacitance Turn-On Delay Turn-Off Delay Clamp Diode Leakage Current Clamp Diode Forward Voltage CIN tPLH tPHL IR VF -- 8 8 6 All All All All 0.5 EIN to 0.5 EOUT 0.5 EIN to 0.5 EOUT VR = 95 V, TA = 25C VR = 95 V, TA = 70C 7 All IF = 350 mA Min. -- -- -- -- -- -- -- -- -- 50 -- -- -- -- -- -- -- -- -- -- -- -- -- Limits Typ. Max. <1 <1 <5 0.9 1.1 1.3 0.93 0.35 1.0 65 -- -- -- -- -- -- -- 15 0.25 0.25 -- -- 1.7 50 100 500 1.1 1.3 1.6 1.35 0.5 1.45 -- 2.4 2.7 3.0 5.0 6.0 7.0 8.0 25 1.0 1.0 50 100 2.0 Units A A A V V V mA mA mA A V V V V V V V pF s s A A V
Complete part number includes suffix to identify package style: A = DIP, L = SOIC.
115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000
2003 THRU 2024
HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAYS
TEST FIGURES
FIGURE 1A
OPEN VCE
FIGURE 1B
OPEN VCE
FIGURE 2
OPEN
A OPEN ICEX VIN
A ICEX
I hFE = C IB
V IB
Dwg. No. A-9729A Dwg. No. A-9730A
VCE
IC
Dwg. No. A-9731A
FIGURE 3
OPEN
FIGURE 4
OPEN VCE
FIGURE 5
OPEN
A IIN mA VIN OPEN IIN A VIN V VCE
Dwg. No. A-9732A Dwg. No. A-9733A
IC
V IC
Dwg. No. A-9734A
FIGURE 6
VR
FIGURE 7
FIGURE 8
VIN INPUT 50% 50%
A IR OPEN OPEN V VF
IF
OUTPUT t pHL 50% t pHL 50%
+50 V
Vin Dwg. No. A-9735A Dwg. No. A-9736A ULN20X3* ULN20X4* 3.5 V 12 V
PULSE GENERATOR PRR = 10KHz DC = 50%
INPUT 93 30
100 OUT 50 pF
* Complete part number includes a final letter to indicate package. X = Digit to identify specific device. Specification shown applies to family of devices with remaining digits as shown.
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2003 THRU 2024 HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAYS
ALLOWABLE COLLECTOR CURRENT AS A FUNCTION OF DUTY CYCLE
(Dual In-line-Packaged Devices, Suffix `A')
600
TYPICAL APPLICATIONS
+VSS 1 2 16 15 14 13 12 11 10 9
Dwg. No. A-9652
+V
1
OUTPUT CURRENT IN mA/CHANNEL
2 400 3 4 5 6 7 200 NUMBER OF OUTPUTS CONDUCTING SIMULTANEOUSLY
3 4 5 6 7
TA = +70C RJA = 60C/W
PMOS OUTPUT
8
0 0 20 40 60 80 100
Dwg. GP-070
DUTY CYCLE IN PER CENT
+VDD 1 2 3 16 15 14 13 12 11
200
+V
(Small-Outline-Packaged Devices, Suffix `L')
600
OUTPUT CURRENT IN mA/CHANNEL
TA = +70C RJA = 90C/W
4 5
400
6
2 3
7 8
10
200
2N4901
9
200 6 7 NUMBER OF OUTPUTS CONDUCTING SIMULTANEOUSLY 0 0 20 40
4 5
CMOS OUTPUT
Dwg. No. A-9654A
60 80 100
Dwg. GP-044A
DUTY CYCLE IN PER CENT
SATURATION VOLTAGE AS A FUNCTION OF COLLECTOR CURRENT
600
COLLECTOR CURRENT AS A FUNCTION OF INPUT CURRENT
600
COLLECTOR CURRENT IN mA
400
TY PI M CA AX L .S AT UR AT IO N VO LT AG E
COLLECTOR CURRENT IN mA
400
CA L
200
200
'D EQ .R AX M
T PU IN
NT RE UR C
0 0 0.5 1.0 1.5 2.0
Dwg. GP-067
0 0 200 400 600
Dwg. GP-068
COLLECTOR-EMITTER SATURATION VOLTAGE
INPUT CURRENT IN A
115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000
TY
PI
2003 THRU 2024
HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAYS
TYPICAL APPLICATIONS
INPUT CURRENT AS A FUNCTION OF INPUT VOLTAGE
+V
+VCC 1 2 3 4 5 6 7 8 16 15 14
Types ULN2003A, ULN2003L, ULN2023A, and ULN2023L
2.5
2.0
IN
12 11 10 9
INPUT CURRENT IN mA -- I
13
M MU XI MA
1.5
TY P IC AL
1.0
TTL OUTPUT
0.5
AREA OF NORMAL OPERATION WITH STANDARD OR SCHOTTKY TTL
Dwg. No. A-9653A
0 2.0 3.0 4.0 INPUT VOLTAGE
Dwg. GP-069
5.0
6.0
+VCC 1 2 3 4 RP 5 6 7 8 TTL OUTPUT 16 15 14 13 12 11 10 9
+V
Types ULN2004A, ULN2004L, ULN2024A, and ULN2024L
2.0
INPUT CURRENT IN mA -- IIN
1.5
1.0
XIM MA
UM
AL TYPIC
0.5
Dwg. No. A-10,175
0 5 6 7 8 9 10 11 12
Dwg. GP-069-1
INPUT VOLTAGE
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2003 THRU 2024 HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAYS
PACKAGE DESIGNATOR "A"
Dimensions in Inches (controlling dimensions)
16 9 0.014 0.008
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
Dimension 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. 2. 3. 4.
Leads 1, 8, 9, and 16 may be half leads at vendor's option. Lead thickness is measured at seating plane or below. Lead spacing tolerance is non-cumulative. Exact body and lead configuration at vendor's option within limits shown.
115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000
2003 THRU 2024
HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAYS
PACKAGE DESIGNATOR "L"
Dimensions in Inches (for reference only)
16 9
0.0098 0.0075 0.1574 0.1497 0.2440 0.2284
0.050 0.016
0.020 0.013
1
2
3
0.050 0.3937 0.3859
BSC
0 TO 8
0.0688 0.0532 0.0040 MIN.
Dwg. MA-007-16 in
Dimension in Millimeters (controlling dimensions)
16 9
0.25 0.19 4.00 3.80 6.20 5.80
1.27 0.40
0.51 0.33
1
2
3
1.27 10.0 9.80
BSC
0 TO 8
1.75 1.35 0.10 MIN.
Dwg. MA-007-16A mm
NOTES: 1. Lead spacing tolerance is non-cumulative. 2. Exact body and lead configuration at vendor's option within limits shown.
www.allegromicro.com
2003 THRU 2024 HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAYS
The products described here are manufactured under one or more U.S. patents or U.S. patents pending. 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 performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that the information being relied upon is current. Allegro products are not authorized for use as critical components in life-support devices or systems without express written approval. The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its use; nor for any infringement 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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