HDSP-4820 Hewlett-Packard, HDSP-4820 Datasheet - Page 6

• Manufacturer Part Number: HDSP-4820
• Description: (HDSP-48xx) 10-Element Bar Graph Array
• Manufacturer: Hewlett-Packard

Figure 11. Forward Current vs.
Forward Voltage.
HER, Yellow, Green
Figure 8. Maximum Tolerable Peak Current vs. Pulse Duration –
HER/Yellow/Green.
Figure 9. Maximum Allowable DC
Current vs. Ambient Temperature.
T
JMAX
For a Detailed Explanation on the Use of Data Sheet Information and Recommended Soldering Procedures,
See Application Note 1005.
90
80
70
60
50
40
30
20
10
0
1.0
40
35
30
25
20
15
10
5
0
1.5
= 100 C.
15
20
15
12
10
GREEN SERIES
SERIES
8
6
4
3
2
1
GREEN/HER
YELLOW
1
T
GREEN
HER
YELLOW
HER
V
25
A
F
GREEN
– AMBIENT TEMPERATURE – °C
2.0
– FORWARD VOLTAGE – V
35
t
45
P
10
3.0
– PULSE DURATION – µSEC
55
YELLOW SERIES
HER
R
4.0
65
J-A
100
= 600°C/W
75
YELLOW
5.0
85
95
1000
Figure 12. Relative Luminous
Intensity vs. DC Forward Current.
Figure 10. Relative Efficiency
(Luminous Intensity per Unit
Current) vs. Peak Current.
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
10000
I
F
0
0
I
– FORWARD CURRENT PER SEGMENT – mA
PEAK
0
10
OPERATION IN
THIS REGION
REQUIRES
TEMPERATURE
DERATING OF
I
DC
5
DC OPERATION
20
– PEAK SEGMENT CURRENT – mA
MAX
10
30
40
15
50
20
YELLOW SERIES
HER SERIES
GREEN SERIES
60
25
70
30
80
90
35
100
40
6