Page 1
This versatile family of integrated circuits will work with many combinations of logic- and load-voltage levels, meeting interface requirements beyond
the capabilities of standard logic buffers. Series UDN2580A and A2580SLW
source drivers can drive incandescent, LED, or vacuum fluorescent displays.
Internal transient-suppression diodes permit the drivers to be used with
inductive loads such as relays, solenoids, dc and stepping motors, and magnetic print hammers.
The Types UDN2580A and A2580SLW are high-current source drivers
used to switch the ground ends of loads that are directly connected to a -50 V
supply. Typical loads are telephone relays, PIN diodes, and LEDs.
The UDN2585A and A2585SLW are drivers designed for applications
requiring low output saturation voltages. Typical loads are low-voltage LEDs
and incandescent displays. The eight non-Darlington, 25 V outputs will
simultaneously sustain continuous load currents of -120 mA at ambient
temperatures to +70°C.
The UDN2588A and A2588SLW have separate logic and driver supply
lines. Their eight drivers can serve as an interface between positive logic
(TTL, CMOS, PMOS) or negative logic (NMOS) and either negative or splitload supplies to -80 V.
These drivers are packaged in plastic DlPs (suffix A) or surface-mountable wide-body SOlCs (suffix LW), and are rated for operation over the
temperature range of -20°C to +85°C.
FEATURES
■ TTL, CMOS, PMOS, NMOS Compatible
■ High Output-Current Rating
■ Internal Transient Suppression
■ Efficient Input/Output Structure
■ Through-Hole and Surface-Mount Packages
8-CHANNEL SOURCE DRIVERS
Always order by complete part number, e.g., UDN2580A .
Data Sheet
29316C*
UDN2580A and UDN2585A
ABSOLUTE MAXIMUM RATINGS
See next page.
2580, 2585,
AND
2588
Page 2
2580, 2585, AND 2588
8-CHANNEL
SOURCE DRIVERS
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
2
ABSOLUTE MAXIMUM RATINGS
at 25°C Free-Air Temperature for any one driver (unless otherwise noted).
UDN2580A UDN2585A UDN2588A
A2580SLW A2585SLW A2588SLW
Output Voltage, V
CE
50 V 25 V 80 V
Supply Voltage, V
S
(ref. sub.) 50 V 25 V 80 V
Supply Voltage, VCC (ref. sub.) — — 80 V
Input Voltage, V
IN
(ref. VS) -30 V -20 V -30 V
Total Output Current, (l
C
+ IS) -500 mA -250 mA -500 mA
Substrate Current I
SUB
3.0 A 2.0 A 3.0 A
Package Power Dissipation, P
D
(single output) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0 W
(total package) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Graph
Operating Temperature Range, T
A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20°C to +85°C
Storage Temperature Range, T
S
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-55°C to +150°C
50 75 100 125 150
2.5
0.5
0
ALLOWABLE PACKAGE POWER DISSIPATION IN WATTS
AMBIENT TEMPERATURE IN °C
2.0
1.5
1.0
25
Dwg. GP-022-1
18-PIN DIP, R = 60°C/W
θJA
20-PIN DIP, R = 55°C/W
θJA
20-LEAD SOIC, R = 70°C/W
θJA
W
Copyright © 1981, 2000 Allegro MicroSystems, Inc.
Page 3
2580, 2585, AND 2588
8-CHANNEL
SOURCE DRIVERS
www.allegromicro.com
3
TYPICAL OPERATING VOLTAGES
V
S
V
lN(ON)
V
lN(OFF)
V
CC
V
EE(MAX)
Device Types
0 V -15 V to -3.6 V -0.5 V to 0 V NA -25 V UDN2585A & A2585SLW
-50 V UDN2580A & A2580SLW
+5 V 0 V to +1.4 V +4.5 V to +5 V NA -20 V UDN2585A & A2585SLW
-45 V UDN2580A & A2580SLW
≤ 5 V -75 V UDN2588A & A2588SLW
+12 V 0 V to +8.4 V +11.5 V to +12 V NA -13 V UDN2585A & A2585SLW
-38 V UDN2580A & A2580SLW
≤12 V -68 V UDN2588A & A2588SLW
+15 V 0 V to +11.4 V +14.5 V to +15 V NA -10V UDN2585A & A2585SLW
-35 V UDN2580A & A2580SLW
≤15 V -65 V UDN2588A & A2588SLW
NOTE: The substrate must be tied to the most negative point in the external circuit to maintain isolation between drivers and to provide
for normal circuit operation.
For simplification, these devices are characterized on the following pages with
specific voltages for inputs, logic supply (VS), load supply (VEE), and collector
supply (VCC). Typical use of the UDN2580A and A2580SLW is with negativereferenced logic. The more common application of the UDN2585A, A2585SLW,
UDN2588A and A2588SLW are with positive-referenced logic supplies. In
application, the devices are capable of operation over a wide range of logic and
supply voltage levels:
Page 4
2580, 2585, AND 2588
8-CHANNEL
SOURCE DRIVERS
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
4
Dwg. No. A-11,358
UDN2580A and A2580SLW
ELECTRICAL CHARACTERISTICS at T
A
= +25°C, VS = 0 V, VEE = -45 V (unless otherwise noted).
Limits
Characteristic Symbol Test Conditions Min. Max. Units
Output Leakage I
CEX
VlN = -0.5 V, V
OUT
= VEE = -50 V — 50 µA
Current VlN = -0.4 V, V
OUT
= VEE = -50 V, TA = 70°C — 100 µA
Output Sustaining V
CE(SUS)
VlN = -0.4 V, I
OUT
= -25 mA, Note 1 35 — V
Voltage
Output Saturation V
CE(SAT)
VlN = -2.4 V, I
OUT
= -100 mA — 1.8 V
Voltage VlN = -3.0 V, I
OUT
= -225 mA — 1.9 V
VlN = -3.6 V, I
OUT
= -350 mA — 2.0 V
Input Current I
IN(ON)
VlN = -3.6 V, I
OUT
= -350 mA — -500 µA
VlN = -15 V, I
OUT
= -350 mA — -2.1 mA
I
IN(OFF)
I
OUT
= -500 µA, TA = 70°C, Note 3 -50 — µA
Input Voltage V
IN(ON)
I
OUT
= -100 mA, VCE ≤1.8 V, Note 4 — -2.4 V
I
OUT
= -225 mA, VCE ≤1.9 V, Note 4 — -3.0 V
I
OUT
= -350 mA, VCE ≤2.0 V, Note 4 — -3.6 V
V
IN(OFF)
I
OUT
= -500 µA, TA = 70°C-0.2— V
Clamp Diode I
R
VR = 50 V, TA = 70°C — 50 µA
Leakage Current
Clamp Diode V
F
IF = 350 mA — 2.0 V
Forward Voltage
Input Capacitance C
IN
— 25 pF
Turn-On Delay t
PHL
0.5 EIN to 0.5 E
OUT
— 5.0 µs
Turn-Off Delay t
PLH
0.5 EIN to 0.5 E
OUT
— 5.0 µs
Dwg. PP-064
UDN2580A A2580SLW
Dwg. No. A-11,359
PARTIAL SCHEMATICNOTES: 1. Pulsed test, t
p
≤ 300 µs,
duty cycle ≤ 2%.
2. Negative current is
defined as coming out of the
specified device pin.
3. The I
IN(OFF)
current limit
guarantees against partial
turn-on of the output.
4. The V
IN(ON)
voltage limit
guarantees a minimum
output source current per the
specified conditions.
5. The substrate must
always be tied to the most
negative point and must be at
least 4.0 V below V
S
.
13
14
15
16
17
19
12
18
20
11
1
2
3
8
9
4
5
6
7
10NCNC
SUB/V
EE
SUB
+V
S
Page 5
2580, 2585, AND 2588
8-CHANNEL
SOURCE DRIVERS
www.allegromicro.com
5
UDN2585A and A2585SLW
ELECTRICAL CHARACTERISTICS at TA = +25°C, VS = 0 V, VEE = -20 V (unless otherwise noted).
Limits
Characteristic Symbol Test Conditions Min. Max. Units
Output Leakage I
CEX
VlN = -0.5 V, V
OUT
= VEE = -25 V — 50 µA
Current V
lN
= -0.4 V, V
OUT
= VEE = -25 V, TA = 70°C — 100 µA
Output Sustaining V
CE(SUS)
VlN = -0.4 V, I
OUT
= -25 mA, Note 1 15 — V
Voltage
Output Saturation V
CE(SAT)
VlN = -4.6 V, I
OUT
= -60 mA — 1.1 V
VlN = -4.6 V, I
OUT
= -120 mA — 1.2 V
Input Current I
IN(ON)
VlN = -4.6 V, I
OUT
= -120 mA — -1.6 mA
VlN = -14.6 V, I
OUT
= -120 mA — -5.0 mA
Input Voltage V
IN(ON)
I
OUT
= -120 mA, VCE ≤1.2 V, Note 3 — -4.6 V
V
IN(OFF)
I
OUT
= -100 µA, TA = 70°C-0.4— V
Clamp Diode I
R
VR = 25 V, TA = 70°C — 50 µA
Leakage Current
Clamp Diode V
F
IF = 120 mA — 2.0 V
Forward Voltage
Input Capacitance C
IN
— 25 pF
Turn-On Delay t
PHL
0.5 EIN to 0.5 E
OUT
— 5.0 µs
Turn-Off Delay t
PLH
0.5 EIN to 0.5 E
OUT
— 5.0 µs
NOTES: 1. Pulsed test, t
p
≤ 300 µs, duty cycle ≤ 2%.
2. Negative current is defined as coming out of the specified device pin.
3. The V
IN(ON)
voltage limit guarantees a minimum output source current per the specified conditions.
4. The substrate must always be tied to the most negative point and must be at least 4.0 V below VS.
Voltage
Dwg. No. A-11,360 Dwg. PP-064
13
14
15
16
17
19
12
18
20
11
1
2
3
8
9
4
5
6
7
10NCNC
SUB/V
EE
SUB
+V
S
UDN2585A A2585SLW
Dwg. No. A-11,359
PARTIAL SCHEMATIC
Page 6
2580, 2585, AND 2588
8-CHANNEL
SOURCE DRIVERS
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
6
UDN2588A and A2588SLW
ELECTRICAL CHARACTERISTICS at T
A
= +25°C,VS = 5.0 V, V
CC
= 5.0 V, VEE = -40 V
(unless otherwise noted).
Limits
Characteristic Symbol Test Conditions Min. Max. Units
Output Leakage I
CEX
VlN ≥4.5 V, V
OUT
= VEE = -75 V — 50 µA
Current
Output Sustaining V
CE(SUS)
VlN ≥4.6 V, VEE = -70 V, I
OUT
= -25 mA, Note 1 50 — V
Voltage
Output Saturation V
CE(SAT)
VlN = 2.6 V, I
OUT
= -100 mA, Ref. V
CC
— 1.8 V
Voltage VlN = 2.0 V, I
OUT
= -225 mA, Ref. V
CC
— 1.9 V
VlN = 1.4 V, I
OUT
= -350 mA, Ref. V
CC
— 2.0 V
Input Current I
IN(ON)
VlN = 1.4 V, I
OUT
= -350 mA — -500 µA
VS = 15 V, VEE = -30 V, VlN = 0 V, I
OUT
= -350 mA — -2.1 mA
I
IN(OFF
)
I
OUT
= -500 µA, TA = 70°C, Note 3 -50 — µA
Input Voltage V
IN(ON)
I
OUT
= -100 mA, VCE ≤1.8 V, Note 4 — 2.6 V
I
OUT
= -225 mA, VCE ≤1.9 V, Note 4 — 2.0 V
I
OUT
= -350 mA, VCE ≤2.0 V, Note 4 — 1.4 V
V
IN(OFF)
I
OUT
= -500 µA 4.8 — V
Clamp Diode I
R
VR = 80 V — 50 µA
Leakage Current
Clamp Diode V
F
IF = 350 mA — 2.0 V
Forward Voltage
Input Capacitance C
IN
— 25 pF
Turn-On Delay t
PLH
0.5 EIN to 0.5 E
OUT
— 5.0 µs
Turn-Off Delay t
PLH
0.5 EIN to 0.5 E
OUT
— 5.0 µs
NOTES: 1. Pulsed test, t
p
≤300 µs, duty cycle ≤ 2%.
2. Negative current is defined as coming out of the
specified device pin.
3. The I
IN(OFF)
current limit guarantees against partial
turn-on of the output.
4. The V
IN(ON)
voltage limit guarantees a minimum output
source current per the specified conditions.
5. The substrate must always be tied to the most
negative point and must be at least 4.0 V below VS.
6. VCC must be equal to or less positive than VS.
PARTIAL SCHEMATIC
Note the UDN2588A (DIP) and the A2588SLW (SOIC) are
electrically identical and share a common terminal number
assignment.
Page 7
2580, 2585, AND 2588
8-CHANNEL
SOURCE DRIVERS
www.allegromicro.com
7
100
V = 15 V
8
7
6
4
5
NUMBER OF OUTPUTS
CONDUCTING
SIMULTANEOUSLY
90
80
70
60
50
40
30
20
10
0
0
50
100
150
200
250
300
350
400
450
500
RECOMMENDED MAXIMUM OUTPUT CURRENT
ALLOWABLE PEAK COLLECTOR CURRENT IN mA AT 70°C
PER CENT DUTY CYCLE
S
3
ALLOWABLE PEAK COLLECTOR CURRENT
AT 50°C AS A FUNCTION OF DUTY CYCLE
Dwg. No. A-11,107B
100
V = 15 V
8
7
6
4
5
NUMBER OF OUTPUTS
CONDUCTING
SIMULTANEOUSLY
90
80
70
60
50
40
30
20
10
0
0
50
100
150
200
250
300
350
400
450
500
RECOMMENDED MAXIMUM OUTPUT CURRENT
ALLOWABLE PEAK COLLECTOR CURRENT IN mA AT 50°C
PER CENT DUTY CYCLE
S
3
ALLOWABLE PEAK COLLECTOR CURRENT
AT 70°C AS A FUNCTION OF DUTY CYCLE
Dwg. No. A-11,108B
Page 8
2580, 2585, AND 2588
8-CHANNEL
SOURCE DRIVERS
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
8
TYPICAL APPLICATIONS
COMMON-CATHODE LED DRIVER
TELECOMMUNICATIONS
RELAY DRIVER
(Negative Logic)
Dwg. No. A-11,356
VACUUM-FLUORESCENT DISPLAY DRIVER
(Split Supply)
TELECOMMUNICATIONS RELAY DRIVER
(Positive Logic)
Dwg. No. A-11,363
Dwg. No. A-11,362A
Dwg. No. B-1458A
-36 V
+5 V
-48 V
V
EE
Page 9
2580, 2585, AND 2588
8-CHANNEL
SOURCE DRIVERS
www.allegromicro.com
9
UDN2580A and UDN2585A
Dimensions in Inches
(controlling dimensions)
Dimensions in Millimeters
(for reference only)
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.
4. Supplied in standard sticks/tubes of 21 devices.
0.014
0.008
0.300
BSC
Dwg. MA-001-18A in
0.430
MAX
18
1
9
0.280
0.240
0.210
MAX
0.070
0.045
0.015
MIN
0.022
0.014
0.100
BSC
0.005
MIN
0.150
0.115
10
0.920
0.880
0.355
0.204
7.62
BSC
Dwg. MA-001-18A mm
10.92
MAX
18
1
9
7.11
6.10
5.33
MAX
1.77
1.15
0.39
MIN
0.558
0.356
2.54
BSC
0.13
MIN
3.81
2.93
10
23.37
22.35
Page 10
2580, 2585, AND 2588
8-CHANNEL
SOURCE DRIVERS
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
10
0° TO 8°
1 2
3
0.020
0.013
0.0040
MIN.
0.0125
0.0091
0.050
0.016
Dwg. MA-008-20 in
0.050
BSC
20 11
0.2992
0.2914
0.419
0.394
0.5118
0.4961
0.0926
0.1043
0° TO 8°
1
20
2
3
0.51
0.33
0.10
MIN.
Dwg. MA-008-20 mm
1.27
BSC
11
0.32
0.23
1.27
0.40
7.60
7.40
10.65
10.00
13.00
12.60
2.65
2.35
A2580SLW, A2585SLW, and A2588SLW
(add “TR” to part number for tape and reel)
Dimensions in Inches
(for reference only)
Dimensions in Millimeters
(controlling dimensions)
NOTES: 1. Exact body and lead configuration at vendor’s option within limits shown.
2. Lead spacing tolerance is non-cumulative.
3. Supplied in standard sticks/tubes of 37 devices or add “TR” to part number for tape and reel.
Page 11
2580, 2585, AND 2588
8-CHANNEL
SOURCE DRIVERS
www.allegromicro.com
11
UDN2588A
Dimensions in Inches
(controlling dimensions)
Dimensions in Millimeters
(for reference only)
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..
4. Supplied in standard sticks/tubes of 18 devices.
0.355
0.204
7.62
BSC
Dwg. MA-001-20 mm
10.92
MAX
20
1
10
7.11
6.10
5.33
MAX
1.77
1.15
0.39
MIN
0.558
0.356
2.54
BSC
0.13
MIN
3.81
2.93
11
26.92
24.89
0.014
0.008
0.300
BSC
Dwg. MA-001-20 in
0.430
MAX
20
1
10
0.280
0.240
0.210
MAX
0.070
0.045
0.015
MIN
0.022
0.014
0.100
BSC
0.005
MIN
0.150
0.115
11
1.060
0.980
Page 12
2580, 2585, AND 2588
8-CHANNEL
SOURCE DRIVERS
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
12
POWER SOURCE DRIVERS
IN ORDER OF 1) OUTPUT CURRENT, 2) OUTPUT VOLTAGE, 3) NUMBER OF DRIVERS
Output Ratings *
Features
Serial Latched Diode Saturated Internal
mA V # Input Drivers Clamp Outputs Protection Part Number
†
-25 60 8 – X – – – 5815
60 10 X X active pull-down – – 5810-F and 6809/10
60 12 X X active pull-down – – 5811 and 6811
60 20 X X active pull-down – – 5812-F and 6812
60 32 X X active pull-down – – 5818-F and 6818
85 8 – – – – – 6118
-120 -25 8 – – X X – 2585
30 8 – – X X – 2985
50 8 X X X X – 5895
-350 35 8 – – X – X 2987
50 8 – – X – – 2981 and 2982
50 8 X X X – – 5891
-50 8 – – X – – 2580
80 8 – – X – – 2983 and 2984
80 8 X X X – – 5890
-80 8 – – X – – 2588
-500 6 1 – – – MOSFET X 2525 and 2535
6 2 – – – MOSFET X 2526 and 2536
-4000 60 4 – – X – – 2944
* Current is maximum specified test condition, voltage is maximum rating. See specification for sustaining voltage limits or
over-current protection voltage limits.
† Complete part number includes additional characters to indicate operating temperature range and package style.
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.
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