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 -20°C to +85°C. Most (see matrix, next page) are also available for operation to -40°C; 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 .................................. -20°C to +85°C Storage Temperature Range, TS ................................. -55°C to +150°C
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 -40°C and +85°C. 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 θJA = 60°C/W
1.5
Dwg. No. A-9651
ULN20x4A/L (Each Driver)
1.0
COM
10.5K
0.5
SUFFIX 'L', R θJA = 90°C/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 © 1974, 1998 Allegro MicroSystems, Inc.
2003 THRU 2024
HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAYS
Types ULN2003A, ULN2003L, ULN2004A, and ULN2004L ELECTRICAL CHARACTERISTICS at +25°C (unless otherwise noted).
Characteristic Output Leakage Current Symbol ICEX Test Fig. 1A Applicable Devices All Test Conditions VCE = 50 V, TA = 25°C VCE = 50 V, TA = 70°C 1B Collector-Emitter Saturation Voltage VCE(SAT) 2 ULN2004A/L All VCE = 50 V, TA = 70°C, VIN = 1.0 V IC = 100 mA, IB = 250 µA lC = 200 mA, IB = 350 µA IC = 350 mA, IB = 500 µA 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 µA, TA = 70°C 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 = 25°C VR = 50 V, TA = 70°C 7 All IF = 350 mA Min. — — — — — — — — — 50 — — — — — — — — — — — — — Limits Typ. Max.