LESHAN RADIO COMPANY, LTD.
LR2003A/L
HIGH-VOLTAGE, HIGH-CURRENT DARLINGTON ARRAYS
FEATURES
I
5V TTL, CMOS-Compatible Inputs
I
Output Current to 500 mA
I
Output Voltage to 50 V
I
Transient-Protected Outputs
I
Dual In-Line Plastic Package or Small-Outline IC Package
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Note that the LR2003A series (dual in-line
package) and LR2003L series (small-outline
IC package) are electrically identical and share
a common terminal number assignment.
Ideally suited for interfacing between low-level logic circuitry and
multiple peripheral power loads, the Series LR2003A/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 120 W (350 mA x 7,
50 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 LR2003A/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 LR2003A/L are the standard Darlington Array. The outputs
are capable of sinking 500 mA and will withstand at least 50V in the
OFF state.Outputs may be paralleled for higher load current capability.
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 -40°C to +85°C.
ABSOLUTE MAXIMUM RATINGS
Output Voltage, V
CE
...........................
50 V
Input Voltage, V
IN
................................
30 V
Continuous Output Current,
I
C
.................................................
500 mA
Continuous Input Current, I
IN
...........
25 mA
Power Dissipation, P
D
(one Darlington pair) .....................
1.0 W
(total package) .......................
See Graph
Operating Temperature Range,
T
A
..................................
-40
°
C to +85
°
C
Storage Temperature Range,
T
S
.................................
-55
°
C to +150
°
C
Ver 1.5 Aug 2009
1/8
LESHAN RADIO COMPANY, LTD.
ALLOWABLE COLLECTOR CURRENT
AS A FUNCTION OF DUTY CYCLE
(Dual In-line-Packaged Devices, Suffix ‘A’)
600
(Small-Outline-Packaged Devices, Suffix ‘L’)
600
1
2
400
3
4
5
6
7
200
NUMBER OF OUTPUTS
CONDUCTING
SIMULTANEOUSLY
OUTPUT CURRENT IN mA/CHANNEL
OUTPUT CURRENT IN mA/CHANNEL
T
A
= +70°C
R
θJA
= 90°C/W
400
2
3
200
6
7
NUMBER OF OUTPUTS
CONDUCTING
SIMULTANEOUSLY
0
0
20
40
60
80
100
4
5
T
A
= +70°C
R
θJA
= 60°C/W
0
0
20
40
60
80
100
DUTY CYCLE IN PER CENT
DUTY CYCLE IN PER CENT
SATURATION VOLTAGE
AS A FUNCTION OF COLLECTOR CURRENT
600
COLLECTOR CURRENT AS A
FUNCTION OF INPUT CURRENT
600
COLLECTOR CURRENT IN mA
400
TY
PI
M
CA
AX
L
.S
AT
UR
AT
IO
N
VO
LT
AG
E
COLLECTOR CURRENT IN mA
400
CA
L
200
200
'D
EQ
.R
AX
M
T
PU
IN
T
EN
RR
CU
0
0
0.5
1.0
1.5
2.0
COLLECTOR-EMITTER SATURATION VOLTAGE
0
0
200
400
600
INPUT CURRENT IN
µA
INPUT CURRENT
AS A FUNCTION OF INPUT VOLTAGE
2.5
2.0
IN
INPUT CURRENT IN mA — I
UM
IM
AX
M
1.5
TY
P IC
AL
1.0
0.5
AREA OF NORMAL OPERATION
WITH STANDARD OR SCHOTTKY TTL
0
2.0
3.0
4.0
INPUT VOLTAGE
5.0
6.0
TY
PI
Ver 1.5 Aug 2009
5/8
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