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
V
CE(MAX)
I
C(MAX)
Logic
5V
TTL, CMOS
6-15 V
CMOS, PMOS
50 V
500 mA
Part Number
ULN2803A*
ULN2803LW*
ULN2804A*
ULN2804LW*
ULN2823A*
ULN2823LW
ULN2824A*
ULN2824LW
95 V
500 mA
*Also available for operation between -40°C and +85°C. To order, change
prefix from ‘ULN’ to ‘ULQ’.
PARTIAL SCHEMATICS
ULx28x3A/LW (Each Driver)
The ULx2804, ULx2823, & ULx2824 are discontinued.
Shown for reference only.
ALLOWABLE PACKAGE POWER DISSIPATION IN WATTS
2.5
2.7 K
2.0
SUFFIX 'A', R
θJA
= 60°C/W
7.2 K
3K
Dwg. FP-052-2
1.5
1.0
SUFFIX 'LW', R
ULx28x4A/LW (Each Driver)
10.5 K
0.5
θJA
= 80°C/W
0
25
50
75
100
125
AMBIENT TEMPERATURE IN
°
C
150
7.2 K
3K
Dwg. FP-052-3
Dwg. GP-018B
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
Symbol
I
CEX
Test
Fig.
1A
Applicable
Devices
All
Test Conditions
V
CE
= 50 V, T
A
= 25°C
V
CE
= 50 V, T
A
= 70°C
1B
Collector-Emitter
Saturation Voltage
V
CE(SAT)
2
ULx2804x
All
V
CE
= 50 V, T
A
= 70°C, V
IN
= 1.0 V
I
C
= 100 mA, I
B
= 250
µA
l
C
= 200 mA, I
B
= 350
µA
I
C
= 350 mA, I
B
= 500
µA
Input Current
I
IN(ON)
3
ULx2803x
ULx2804x
V
IN
= 3.85 V
V
IN
= 5.0 V
V
IN
= 12 V
I
IN(OFF)
Input Voltage
V
IN(ON)
4
5
All
ULx2803x
l
C
= 500
µA,
T
A
= 70°C
V
CE
= 2.0 V, l
C
= 200 mA
V
CE
= 2.0 V, I
C
= 250 mA
V
CE
= 2.0 V, l
C
= 300 mA
ULx2804x
V
CE
= 2.0 V, l
C
= 125 mA
V
CE
= 2.0 V, l
C
= 200 mA
V
CE
= 2.0 V, I
C
= 275 mA
V
CE
= 2.0 V, l
C
= 350 mA
Input Capacitance
Turn-On Delay
Turn-Off Delay
Clamp Diode
Leakage Current
Clamp Diode
Forward Voltage
C
IN
t
PLH
t
PHL
I
R
V
F
—
8
8
6
All
All
All
All
0.5 E
IN
to 0.5 E
OUT
0.5 E
IN
to 0.5 E
OUT
V
R
= 50 V, T
A
= 25°C
V
R
= 50 V, T
A
= 70°C
7
All
I
F
= 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
µA
µA
µA
V
V
V
mA
mA
mA
µA
V
V
V
V
V
V
V
pF
µs
µs
µA
µA
V
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
Symbol
I
CEX
Test
Fig.
1A
Applicable
Devices
All
Test Conditions
V
CE
= 95 V, T
A
= 25°C
V
CE
= 95 V, T
A
= 70°C
1B
Collector-Emitter
Saturation Voltage
V
CE(SAT)
2
ULx2824x
All
V
CE
= 95 V, T
A
= 70°C, V
IN
= 1.0 V
I
C
= 100 mA, I
B
= 250
µA
l
C
= 200 mA, I
B
= 350
µA
I
C
= 350 mA, I
B
= 500
µA
Input Current
I
IN(ON)
3
ULx2823x
ULx2824x
V
IN
= 3.85 V
V
IN
= 5.0 V
V
IN
= 12 V
I
IN(OFF)
Input Voltage
V
IN(ON)
4
5
All
ULx2823x
l
C
= 500
µA,
T
A
= 70°C
V
CE
= 2.0 V, l
C
= 200 mA
V
CE
= 2.0 V, I
C
= 250 mA
V
CE
= 2.0 V, l
C
= 300 mA
ULx2824x
V
CE
= 2.0 V, l
C
= 125 mA
V
CE
= 2.0 V, l
C
= 200 mA
V
CE
= 2.0 V, I
C
= 275 mA
V
CE
= 2.0 V, l
C
= 350 mA
Input Capacitance
Turn-On Delay
Turn-Off Delay
Clamp Diode
Leakage Current
Clamp Diode
Forward Voltage
C
IN
t
PLH
t
PHL
I
R
V
F
—
8
8
6
All
All
All
All
0.5 E
IN
to 0.5 E
OUT
0.5 E
IN
to 0.5 E
OUT
V
R
= 95 V, T
A
= 25°C
V
R
= 95 V, T
A
= 70°C
7
All
I
F
= 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
µA
µA
µA
V
V
V
mA
mA
mA
µA
V
V
V
V
V
V
V
pF
µs
µs
µA
µA
V
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
OPEN
VCE
FIGURE 1B
OPEN
VCE
FIGURE 2
OPEN
µA
OPEN
ICEX
VIN
µA
ICEX
I
hFE = C
IB
V
IB
VCE
IC
Dwg. No. A-9729A
Dwg. No. A-9730A
Dwg. No. A-9731A
FIGURE 3
OPEN
FIGURE 4
OPEN
VCE
FIGURE 5
OPEN
µA
IIN
mA
VIN
OPEN
IIN
µA
VIN
V
VCE
V
IC
IC
Dwg. No. A-9732A
Dwg. No. A-9733A
Dwg. No. A-9734A
FIGURE 6
VR
µA
IR
OPEN
OPEN
FIGURE 7
FIGURE 8
V
VF
IF
PULSE
GENERATOR
PRR = 10 kHz
DC = 50 %
+50 V
INPUT
93
Ω
30
Ω
100
Ω
OUT
50 pF
Dwg. EP-072
Dwg. No. A-9735A
Dwg. No. A-9736A
ULx28x3x
ULx28x4x
V
in
3.5 V
12 V
www.allegromicro.com
5