uln2068.pdf

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Order this document by ULN2068/D
The ULN2068B is a high–voltage, high–current quad Darlington switch
array designed for high current loads, both resistive and reactive, up to 300 W.
It is intended for interfacing between low level (TTL, DTL, LS and 5.0 V
CMOS) logic families and peripheral loads such as relays, solenoids, dc and
stepping motors, multiplexer LED and incandescent displays, heaters, or other
high voltage, high current loads.
The Motorola ULN2068B is specified with minimum guaranteed breakdown
of 50 V and is 100% tested for safe area using an inductive load. It includes
integral transient suppression diodes. Use of a predriver stage reduces input
current while still allowing the device to switch 1.5 Amps.
It is supplied in an improved 16–Pin plastic DIP package with heat sink
contact tabs (Pins 4, 5, 12 and 13). A copper alloy lead frame allows maximum
power dissipation using standard cooling techniques. The use of the contact
tab lead frame facilitates attachment of a DIP heat sink while permitting the
use of standard layout and mounting practices.
•
QUAD 1.5 A
DARLINGTON SWITCH
SEMICONDUCTOR
TECHNICAL DATA
TTL, DTL, LS, CMOS Compatible Inputs
•
1.5 A Maximum Output Current
B SUFFIX
PLASTIC PACKAGE
CASE 648C
•
Low Input Current
•
Internal Freewheeling Clamp Diodes
•
100% Inductive Load Tested
•
Heat Tab Copper Alloy Lead Frame for Increased Dissipation
MAXIMUM RATINGS (T A = 25 ° C and ratings apply to any one device in the
package, unless otherwise noted)
Rating
PIN CONNECTIONS
Symbol
Value
Unit
Output Voltage
V O
50
V
K 1
16
C
Input Voltage (Note 1)
V I
15
V
Supply Voltage
V S
10
V
C
2
15
B
Collector Current (Note 2)
I C
1.75
A
B
3
14
V S
Input Current (Note 3)
I I
25
mA
Gnd
Gnd
4
13
Operating Ambient Temperature Range
T A
0 to +70
° C
5
12
Gnd
Gnd
Storage Temperature Range
T stg
–55 to +150
°
C
Junction Temperature
T J
150
°
C
B
6
11
B
NOTES: 1. Input voltage referenced to ground.
2. Allowable output conditions shown in Figures 11 and 12.
3. May be limited by max input voltage.
NC
7
10
C
C
8
9
K
Partial Schematic
V S
0.9 k
R S
C
R in
2.5 k
K
ORDERING INFORMATION*
B
Operating
Temperature Range
7.2 k
Device
Package
3.0 k
ULN2068B
T A = 0 to +70
°
C
Plastic DIP
*Other options of this ULN2060/2070 series are available
* for volume applications. Contact your local Motorola Sales
* Representative.
W
Motorola, Inc. 1995
MOTOROLA ANALOG IC DEVICE DATA
1
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ULN2068
ELECTRICAL CHARACTERISTICS (T A = 25 ° C unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
Output Leakage Current (Figure 1)
(V CE = 50 V)
(V CE = 50 V, T A = 70
I CEX
m A
–
–
–
–
100
500
°
C)
Collector–Emitter Saturation Voltage (Figure 2)
(I C = 500 mA
(I C = 750 mA
(I C = 1.0 A
(I C = 1.25 A
V CE(sat)
V
–
–
–
–
–
–
–
–
1.13
1.25
1.40
1.60
V in = 2.4 V)
Input Current – On Condition (Figure 4)
(V I = 2.4 V)
(V I = 3.75 V)
I I(on)
mA
–
–
–
–
0.25
1.0
Input Voltage – On Condition (Figure 5)
(V CE = 2.0 V, I C = 1.5 A)
V I(on)
V
–
–
2.4
Inductive Load Test (Figure 3)
(V S = 5.5 V, V CC = 24.5 V,
t PW = 4.0 ms)
D
V out
mV
–
–
100
Supply Current (Figure 8)
(I C = 500 mA, V in = 2.4 V, V S = 5.5 V)
I S
mA
–
–
6.0
Turn–On Delay Time
(50% E I to 50% E O )
t PHL
m s
–
–
1.0
Turn–Off Delay Time
(50% E I to 50% E O )
t PLH
m s
–
–
4.0
Clamp Diode Leakage Current (Figure 6)
(V R = 50 V)
(V R = 50 V, T A = 70
I R
m A
–
–
–
–
50
100
°
C)
Clamp Diode Forward Voltage (Figure 7)
(I F = 1.0 A)
(I F = 1.5 A)
V F
V
–
–
–
–
1.75
2.0
TEST FIGURES
Figure 1.
Figure 2.
Open
Open
V CE
m A
Open
I CEX
V in
DUT
DUT
I C
V CE
V
Figure 3.
Figure 4.
Open
V S
V CC
9
20
W
I in
14 ms
mA
DUT
Open
V in
DUT
70 MH
V in
5.0
V out 1
0
V out 2
t PW
D
V out =
h
V out1 – V out2 M
2
MOTOROLA ANALOG IC DEVICE DATA
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ULN2068
TEST FIGURES (continued)
Figure 5.
Figure 6.
Open
V R
m A
I R
Figure 8.
DUT
V S
Open
I C
Figure 7.
DUT
Open
V
V in
V
V CE
I S
mA
I F
V
V in
DUT
I C
V F
DUT
Open
TYPICAL CHARACTERISTIC CURVES – T A = 25
°
C
Figure 9. Input Current
versus Input Voltage
Figure 10. Collector Current
versus Input Current
1.6
1.6
1.4
1.4
1.2
1.2
1.0
1.0
V S = 5.0 V
T A = 25 ° C
V S = 5.0 V
T A = 25 ° C
0.8
0.8
0.6
0.6
0.4
0.4
0.2
0.2
0
0
1.0
2.0
3.0
4.0
5.0
0
0
1.0
2.0
3.0
4.0
V in , INPUT VOLTAGE (V)
I I , INPUT CURRENT (mA)
Figure 11. T A = 70
°
C w/o Heat Sink
Figure 12. T A = 70 ° C w/Staver V–8
Heat Sink (37.5 ° C/W)
Device Limit
Device Limit
1.5
1.5
1
1
2
3
2
1.0
1.0
3
4
4
Number of
outputs conducting
simultaneously
0.5
Number of
outputs conducting
simultaneously
0.5
0
0
20
40
60
80
100
0
0
20
40
DUTY CYCLE (%)
60
80
100
DUTY CYCLE (%)
MOTOROLA ANALOG IC DEVICE DATA
3
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ULN2068
Figure 13. T A = 70
C w/Staver V–7
Heat Sink (27.5
°
°
C/W)
Figure 14. T A = 50 ° C w/o Heat Sink
Device Limit
Device Limit
1.5
1
1.5
1
2
3
3
2
1.0
1.0
4
4
0.5
Number of
outputs conducting
simultaneously
0.5
Number of
outputs conducting
simultaneously
0
0
0
20
40
60
80
100
0
20
40
60
80
100
DUTY CYCLE (%)
DUTY CYCLE (%)
Figure 15. T A = 50 ° C w/Staver V–8
Heat Sink (37.5 ° C/W)
Figure 16. T A = 50 ° C w/Staver V–7
Heat Sink (27.5 ° C/W)
Device Limit
Device Limit
1.5
1
1.5
1
2
2
3
3
4
1.0
1.0
4
0.5
Number of
outputs conducting
simultaneously
0.5
Number of
outputs conducting
simultaneously
0
0
20
40
60
80
100
0
0
20
40
60
80
100
DUTY CYCLE (%)
DUTY CYCLE (%)
4
MOTOROLA ANALOG IC DEVICE DATA
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ULN2068
OUTLINE DIMENSIONS
B SUFFIX
PLASTIC PACKAGE
CASE 648C–03
ISSUE C
–A–
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEADS WHEN
FORMED PARALLEL.
4. DIMENSION B DOES NOT INCLUDE MOLD FLASH.
5. INTERNAL LEAD CONNECTION BETWEEN 4 AND
5, 12 AND 13.
16
9
–B–
1
8
L
INCHES
MILLIMETERS
NOTE 5
DIM MIN
MAX
MIN
MAX
A
0.740 0.840 18.80 21.34
B
0.240 0.260
6.10
6.60
C
0.145 0.185
3.69
4.69
C
D
0.015 0.021
0.38
0.53
E
0.050 BSC
1.27 BSC
–T–
SEATING
PLANE
F
0.040
0.70
1.02
1.78
N
M
G
0.100 BSC
2.54 BSC
J
0.008 0.015
0.20
0.38
E
K
0.115 0.135
2.92
3.43
F
J 16 PL
L
0.300 BSC
7.62 BSC
G
M
0
10
0
1.01
10
D
16 PL
0.13 (0.005)
M
T
B
S
N
0.015 0.040
0.39
0.13 (0.005)
M
T
A
S
MOTOROLA ANALOG IC DEVICE DATA
5
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