ULx2803, ULx2804, ULx2823,
and ULx2824
High Voltage High Current Darlington Arrays
Discontinued Product
These parts are no longer in production The device should not be
purchased for new design applications. Samples are no longer available.
Date of status change: October 31, 2005
Recommended Substitutions:
NOTE: For detailed information on purchasing options, contact your
local Allegro field applications engineer or sales representative.
Allegro MicroSystems, Inc. reserves the right to make, from time to time, revisions to the anticipated product life cycle plan for a
product to accommodate changes in production capabilities, alternative product availabilities, or market demand. 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.
2803 THRU 2824
HIGH-VOLTAGE,
HIGH-CURRENT
DARLINGTON ARRAYS
DEVICE PART NUMBER DESIGNATION
VCE(MAX)
50 V
95 V
IC(MAX)
500 mA
500 mA
Logic
Part Number
5V
TTL, CMOS
ULN2803A*
ULN2803LW*
ULN2823A*
ULN2823LW
6-15 V
CMOS, PMOS
ULN2804A*
ULN2804LW*
ULN2824A*
ULN2824LW
*Also available for operation between -40°C and +85°C. To order, change
prefix from ‘ULN’ to ‘ULQ’.
PARTIAL SCHEMATICS
The ULx2804, ULx2823, & ULx2824 are discontinued.
Shown for reference only.
2.7 K
7.2 K
3K
Dwg. FP-052-2
ULx28x4A/LW (Each Driver)
10.5 K
ALLOWABLE PACKAGE POWER DISSIPATION IN WATTS
ULx28x3A/LW (Each Driver)
2.5
2.0
SUFFIX 'A', R θJA = 60°C/W
1.5
1.0
SUFFIX 'LW', R
0.5
0
25
θJA
= 80°C/W
50
75
100
125
AMBIENT TEMPERATURE IN ° C
7.2 K
150
Dwg. GP-018B
3K
Dwg. FP-052-3
x = Character to identify specific device. Specification shown applies to
family of devices with remaining digits as shown. See matrix above.
2
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1977, 2001 Allegro MicroSystems, Inc.
2803 THRU 2824
HIGH-VOLTAGE,
HIGH-CURRENT
DARLINGTON ARRAYS
Types ULx2803A, ULx2803LW, ULx2804A, and ULx2804LW
ELECTRICAL CHARACTERISTICS at +25°C (unless otherwise noted).
Characteristic
Output Leakage Current
Collector-Emitter
Saturation Voltage
Symbol
Test
Fig.
Applicable
Devices
ICEX
1A
All
VCE(SAT)
Input Current
Input Voltage
IIN(ON)
Min.
VCE = 50 V, TA = 25°C
—
<1
50
µA
VCE = 50 V, TA = 70°C
—
<1
100
µA
VCE = 50 V, TA = 70°C, VIN = 1.0 V
—
<5
500
µA
IC = 100 mA, IB = 250 µA
—
0.9
1.1
V
lC = 200 mA, IB = 350 µA
—
1.1
1.3
V
IC = 350 mA, IB = 500 µA
—
1.3
1.6
V
ULx2803x
VIN = 3.85 V
—
0.93
1.35
mA
ULx2804x
VIN = 5.0 V
—
0.35
0.5
mA
VIN = 12 V
—
1.0
1.45
mA
lC = 500 µA, TA = 70°C
50
65
—
µA
VCE = 2.0 V, lC = 200 mA
—
—
2.4
V
VCE = 2.0 V, IC = 250 mA
—
—
2.7
V
VCE = 2.0 V, lC = 300 mA
—
—
3.0
V
VCE = 2.0 V, lC = 125 mA
—
—
5.0
V
VCE = 2.0 V, lC = 200 mA
—
—
6.0
V
VCE = 2.0 V, IC = 275 mA
—
—
7.0
V
VCE = 2.0 V, lC = 350 mA
—
—
8.0
V
—
15
25
pF
1B
ULx2804x
2
All
3
Limits
Typ. Max.
Test Conditions
IIN(OFF)
4
All
VIN(ON)
5
ULx2803x
ULx2804x
Units
Input Capacitance
CIN
—
All
Turn-On Delay
tPLH
8
All
0.5 EIN to 0.5 EOUT
—
0.25
1.0
µs
Turn-Off Delay
tPHL
8
All
0.5 EIN to 0.5 EOUT
—
0.25
1.0
µs
Clamp Diode
Leakage Current
IR
6
All
VR = 50 V, TA = 25°C
—
—
50
µA
VR = 50 V, TA = 70°C
—
—
100
µA
Clamp Diode
Forward Voltage
VF
IF = 350 mA
—
1.7
2.0
V
7
All
Complete part number includes prefix to operating temperature range: ULN = -20°C to +85°C, ULQ = -40°C to +85°C
and a suffix to identify package style: A = DIP, LW = SOIC.
The ULx2804 is discontinued.
Shown for reference only.
www.allegromicro.com
3
2803 THRU 2824
HIGH-VOLTAGE,
HIGH-CURRENT
DARLINGTON ARRAYS
Types ULx2823A, ULN2823LW, ULx2824A, and ULN2824LW
ELECTRICAL CHARACTERISTICS at +25°C (unless otherwise noted).
Characteristic
Output Leakage Current
Collector-Emitter
Saturation Voltage
Input Current
Input Voltage
Symbol
Test
Fig.
Applicable
Devices
ICEX
1A
All
VCE(SAT)
IIN(ON)
Min.
VCE = 95 V, TA = 25°C
—
<1
50
µA
VCE = 95 V, TA = 70°C
—
<1
100
µA
VCE = 95 V, TA = 70°C, VIN = 1.0 V
—
<5
500
µA
IC = 100 mA, IB = 250 µA
—
0.9
1.1
V
lC = 200 mA, IB = 350 µA
—
1.1
1.3
V
IC = 350 mA, IB = 500 µA
—
1.3
1.6
V
ULx2823x
VIN = 3.85 V
—
0.93
1.35
mA
ULx2824x
VIN = 5.0 V
—
0.35
0.5
mA
VIN = 12 V
—
1.0
1.45
mA
lC = 500 µA, TA = 70°C
50
65
—
µA
VCE = 2.0 V, lC = 200 mA
—
—
2.4
V
VCE = 2.0 V, IC = 250 mA
—
—
2.7
V
VCE = 2.0 V, lC = 300 mA
—
—
3.0
V
VCE = 2.0 V, lC = 125 mA
—
—
5.0
V
VCE = 2.0 V, lC = 200 mA
—
—
6.0
V
VCE = 2.0 V, IC = 275 mA
—
—
7.0
V
VCE = 2.0 V, lC = 350 mA
—
—
8.0
V
—
15
25
pF
1B
ULx2824x
2
All
3
Limits
Typ. Max.
Test Conditions
IIN(OFF)
4
All
VIN(ON)
5
ULx2823x
ULx2824x
Units
Input Capacitance
CIN
—
All
Turn-On Delay
tPLH
8
All
0.5 EIN to 0.5 EOUT
—
0.25
1.0
µs
Turn-Off Delay
tPHL
8
All
0.5 EIN to 0.5 EOUT
—
0.25
1.0
µs
Clamp Diode
Leakage Current
IR
6
All
VR = 95 V, TA = 25°C
—
—
50
µA
VR = 95 V, TA = 70°C
—
—
100
µA
Clamp Diode
Forward Voltage
VF
IF = 350 mA
—
1.7
2.0
V
7
All
Complete part number includes prefix to operating temperature range: ULN = -20°C to +85°C, ULQ = -40°C to +85°C
and a suffix to identify package style: A = DIP, LW = SOIC. Note that the ULQ2823LW and ULQ2824LW are not presently
available.
The ULx2823 & ULx2824 are discontinued.
Shown for reference only.
4
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
2803 THRU 2824
HIGH-VOLTAGE,
HIGH-CURRENT
DARLINGTON ARRAYS
TEST FIGURES
FIGURE 1A
FIGURE 1B
OPEN
VCE
FIGURE 2
VCE
OPEN
µA
I
hFE = C
IB
µA
ICEX
OPEN
OPEN
ICEX
VIN
V
IB
Dwg. No. A-9729A
IC
VCE
Dwg. No. A-9730A
FIGURE 3
Dwg. No. A-9731A
FIGURE 4
OPEN
FIGURE 5
VCE
OPEN
OPEN
µA
IIN
IIN
mA
OPEN
IC
µA
VIN
VIN
V
V
VCE
Dwg. No. A-9732A
Dwg. No. A-9733A
FIGURE 6
IC
Dwg. No. A-9734A
FIGURE 7
FIGURE 8
VR
µA
IR
OPEN
OPEN
+50 V
IF
V
VF
PULSE
GENERATOR
PRR = 10 kHz
DC = 50 %
INPUT
93 Ω
100 Ω
OUT
30 Ω
50 pF
Dwg. EP-072
Dwg. No. A-9735A
Dwg. No. A-9736A
Vin
ULx28x3x
ULx28x4x
www.allegromicro.com
3.5 V
12 V
5
2803 THRU 2824
HIGH-VOLTAGE,
HIGH-CURRENT
DARLINGTON ARRAYS
ALLOWABLE COLLECTOR CURRENT
AS A FUNCTION OF DUTY CYCLE
ALLOWABLE COLLECTOR CURRENT
AS A FUNCTION OF DUTY CYCLE
ULx28xxA
ULx28xxLW
600
2
3
400
4
5
8
7
6
200
NUMBER OF OUTPUTS
CONDUCTING
SIMULTANEOUSLY
T A = +50°C
RθJA = 60°C/W
OUTPUT CURRENT IN mA/CHANNEL
OUTPUT CURRENT IN mA/CHANNEL
600
0
2
400
3
4
5
6
7
8
200
NUMBER OF OUTPUTS
CONDUCTING
SIMULTANEOUSLY
T A = +50°C
RθJA = 80°C/W
0
0
20
40
60
80
100
0
20
DUTY CYCLE IN PER CENT
40
60
80
100
DUTY CYCLE IN PER CENT
Dwg. GP-070-2
Dwg. GP-070-4
600
600
1
OUTPUT CURRENT IN mA/CHANNEL
OUTPUT CURRENT IN mA/CHANNEL
1
2
400
3
4
5
6
8
7
200
NUMBER OF OUTPUTS
CONDUCTING
SIMULTANEOUSLY
T A = +70°C
RθJA = 60°C/W
0
2
400
3
4
5
6
8
7
200
NUMBER OF OUTPUTS
CONDUCTING
SIMULTANEOUSLY
T A = +70°C
RθJA = 80°C/W
0
0
20
40
60
80
100
DUTY CYCLE IN PER CENT
0
20
40
60
80
Dwg. GP-070-1
x = Characters to identify specific device. Specification shown applies to family of devices with remaining digits as shown.
6
100
DUTY CYCLE IN PER CENT
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Dwg. GP-070-3
2803 THRU 2824
HIGH-VOLTAGE,
HIGH-CURRENT
DARLINGTON ARRAYS
INPUT CURRENT AS A
FUNCTION OF INPUT VOLTAGE
SATURATION VOLTAGE AS A FUNCTION OF
COLLECTOR CURRENT
ULx28x3x
600
2.5
UM
IM
X
MA
1.5
AL
PIC
TY
1.0
0.5
400
TY
PI
M
CA
AX
L
.S
AT
UR
AT
IO
N
VO
LT
AG
E
COLLECTOR CURRENT IN mA
INPUT CURRENT IN mA — I
IN
2.0
200
AREA OF NORMAL OPERATION
WITH STANDARD OR SCHOTTKY TTL
0
0
2.0
3.0
4.0
5.0
6.0
0
0.5
1.0
1.5
INPUT VOLTAGE
Dwg. GP-069
Dwg. GP-067
COLLECTOR CURRENT AS A
FUNCTION OF INPUT CURRENT
ULx28x4x
600
L
A
TYPIC
0.5
0
5
6
7
8
9
10
11
12
INPUT VOLTAGE
Dwg. GP-069-1
CA
L
PI
UM
XIM
MA
1.0
400
TY
1.5
COLLECTOR CURRENT IN mA
IN
2.0
INPUT CURRENT IN mA — I
2.0
COLLECTOR-EMITTER SATURATION VOLTAGE
'D
EQ
.R
X
A
M
200
T
PU
IN
T
EN
RR
U
C
0
0
200
400
600
INPUT CURRENT IN µ A
Dwg. GP-068
x = Characters to identify specific device. Characteristic shown applies to family of devices with remaining digits as shown.
www.allegromicro.com
7
2803 THRU 2824
HIGH-VOLTAGE,
HIGH-CURRENT
DARLINGTON ARRAYS
PACKAGE DESIGNATOR “A” DIMENSIONS
Dimensions in Inches
(controlling dimensions)
18
0.014
0.008
10
0.430
MAX
0.280
0.240
0.300
BSC
1
0.070
0.045
0.100
0.920
0.880
9
0.005
BSC
MIN
0.210
MAX
0.015
0.150
0.115
MIN
0.022
0.014
Dwg. MA-001-18A in
Dimensions in Millimeters
(for reference only)
0.355
0.204
10
18
10.92
MAX
7.11
6.10
7.62
BSC
1
1.77
1.15
2.54
23.37
22.35
9
0.13
BSC
MIN
5.33
MAX
0.39
3.81
2.93
MIN
0.558
0.356
Dwg. MA-001-18A mm
NOTES:1. Exact body and lead configuration at vendor’s option within limits shown.
2. Lead spacing tolerance is non-cumulative.
3. Lead thickness is measured at seating plane or below.
8
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
2803 THRU 2824
HIGH-VOLTAGE,
HIGH-CURRENT
DARLINGTON ARRAYS
PACKAGE DESIGNATOR “LW” DIMENSIONS
Dimensions in Inches
(for reference only)
18
10
0.0125
0.0091
0.419
0.394
0.2992
0.2914
0.050
0.016
0.020
0.013
1
2
0.050
3
0° TO 8°
BSC
0.4625
0.4469
0.0926
0.1043
0.0040 MIN.
wg. MA-008-18A in
Dimensions in Millimeters
(controlling dimensions)
18
10
0.32
0.23
10.65
10.00
7.60
7.40
1.27
0.40
0.51
0.33
1
2
1.27
3
11.75
11.35
BSC
0° TO 8°
2.65
2.35
0.10 MIN.
Dwg. MA-008-18A mm
NOTES:1. Exact body and lead configuration at vendor’s option within limits shown.
2. Lead spacing tolerance is non-cumulative.
www.allegromicro.com
9
2803 THRU 2824
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.
10
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000