ISD2312 [INFINEON]

LED Display, 4-Character, 5mm;
ISD2312
型号: ISD2312
厂家: Infineon    Infineon
描述:

LED Display, 4-Character, 5mm

功效 光电
文件: 总10页 (文件大小:484K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
RED ISD2010/2310  
YELLOW ISD2011/2311/2351  
HIGH EFFICIENCY RED ISD2012/2312/2352  
HIGH EFFICIENCY GREEN ISD2013/2313/2353  
4-Character 5 x 7 Dot Matrix  
Serial Input Alphanumeric Industrial Display  
Sunlight Viewable: ISD235X  
ISD201X  
ISD231X  
ISD235X  
FEATURES  
DESCRIPTION  
• Four Dot Matrix Characters  
• Character Height  
ISD201X—0.150"  
The ISD201X/231X/235X are four digit 5 x 7 dot matrix serial  
input alphanumeric displays. The displays are available in red,  
yellow, high efficiency red, or high efficiency green. The pack-  
age is a standard twelve-pin hermetic DIP with glass lens. The  
display can be stacked horizontally or vertically to form mes-  
sages of any length.  
ISD231X/235X—0.200"  
• ISD201X/231X, Four Colors: Red, Yellow,  
High Efficiency Red, High Efficiency Green  
• ISD235X, Three Colors: Yellow, High  
Efficiency Red, High Efficiency Green  
• Wide Viewing Angle  
• Built-in CMOS Shift Registers with Constant Current  
LED Row Drivers  
• Shift Registers Allow Custom Fonts  
• Easily Cascaded for Multiple Displays  
• TTL Compatible  
• End Stackable  
• Operating Temperature Range:  
–55°C to +100°C  
• Categorized for Luminous Intensity  
• Ceramic Package, Hermetically Sealed Flat Glass  
Window  
These displays have two fourteen-bit CMOS shift registers  
with built-in row drivers. These shift registers drive twenty-  
eight rows and enable the design of customized fonts. Cascad-  
ing multiple displays is possible because of the Data In and  
Data Out pins. Data In and Out are easily input with the clock  
signal and displayed in parallel on the row drivers. Data Out  
represents the output of the 7th bit of digit number four shift  
register. The shift register is level triggered. The like columns  
of each character in a display cluster are tied to a single pin  
(see Block Diagram). High true data in the shift register enables  
the output current mirror driver stage associated with each row  
of LEDs in the 5 x 7 diode array.  
The TTL compatible V input may either be tied to V for max-  
B
CC  
imum display intensity or pulse width modulated to achieve  
intensity control and reduce power consumption.  
2000 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA  
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)  
OSRAM Opto Semiconductors GmbH & Co. OHG • Regensburg, Germany  
www.osram-os.com • +49-941-202-7178  
1
March 23, 2000-17  
DESCRIPTION (continued)  
Dimensions in Inches (mm)  
ISD201X  
In the normal mode of operation, input data for digit four, col-  
umn one is loaded into the seven on-board shift register  
locations one through seven. Column one data for digits 3, 2,  
and 1 is shifted into the display shift register locations. Then  
column one input is enabled for an appropriate period of  
time, T. A similar process is repeated for columns 2, 3, 4,  
and 5. If the decode time and load data time into the shift  
register is t, then with five columns, each column of the dis-  
play is operating at a duty factor of:  
.083  
.699 (17.7)  
max.  
(2.11)  
.290  
(7.25)  
.146 .310  
(3.7)  
(7.87)  
Pin 1  
.175 (4.44)  
±.005 (.13)  
marked by  
dot on back  
of package  
.050 (1.27)  
±.005 (.13)  
.100  
(2.54)  
.200  
(5.08)  
T
DF = ---------------------  
5 (T + 1 )  
.270  
T+t, allotted to each display column, is generally chosen to  
provide the maximum duty factor consistent with the mini-  
mum refresh rate necessary to achieve a flicker free display.  
For most strobed display systems, each column of the display  
should be refreshed (turned on) at a minimum rate of 100  
times per second.  
.010(.25)  
±.002(.05)  
typ.  
Seating  
Plane  
(6.85)  
.050 (1.27)  
.100 (2.54) typ.  
±.005 (.13)  
10 pl., non-cum.  
12 pl.  
.300  
.020 (.54)  
.003 (.08)  
(7.62)  
±
Pin 1  
Indicator  
Hue Code  
I S D 2 0 1 X  
Year  
Work  
Week  
Luminous  
With columns to be addressed, this refresh rate then gives a  
value for the time T+t of: 1⁄ [5 x (100)]=2.0 msec. If the  
device is operated at 5.0 MHz clock rate maximum, it is possi-  
ble to maintain t<T. For short display strings, the duty factor  
will then approach 20%.  
Intensity Code  
OSRAM  
Part Number  
ISD231X/235X  
See Appnote 44 for application information and Appnotes 18,  
19, 22, 23 at www.infineon.com/opto.  
.790 (20.07)  
max.  
.112  
(2.84)  
.010 (.25)  
±.002 (.05)  
12 11 10 9  
8
7
.099(2.51)  
±.005(.13)  
Maximum Ratings  
.332  
(8.43)  
Supply Voltage V to GND...............................–0.5 V to +7.0 V  
CC  
Inputs, Data Out and V .............................–0.5 V to V +0.5 V  
B
CC  
.250 (6.35)  
Column Input Voltage, V  
.............................–0.5 V to +6.0 V  
1
2
3
4
5
6
.192  
COL  
.197 (5.00)  
±
.010 (.25)  
(4.88)  
Operating Temperature Range ....................... –55°C to +100°C  
Storage Temperature Range ........................... –65°C to +125°C  
Maximum Solder Temperature, 0.063" (1.59 mm)  
±
.005 (.13)  
C
L
.100  
(2.54)  
below Seating Plane, t<5.0 s........................................ 260°C  
.270  
(2)  
.200  
(6.86)  
Maximum Allowable Power Dissipation, T =25°C  
A
(5.08)  
.050  
ISD2010 .......................................................................0.91 W  
ISD2011/2/3 .................................................................0.86 W  
ISD231X.........................................................................1.1 W  
ISD235X.......................................................................1.35 W  
.100 (2.54)  
(1.27)  
12 pl.  
±.005 (.13)  
.020 (.51)  
±.003 (.08)  
non-cum. 10 pl.  
Pin 1 indicators  
dot and notch on  
package underside  
Hue Code  
Luminous  
Intensity Code  
Notes:  
I S D 2 3 1 X  
Year  
1)  
Operation above +100°C ambient is possible if the following  
Work Week  
conditions are met. The junction should not exceed T =125°C  
J
and the case temperature (as measured at pin 1 or the back of  
Part No. OSRAM  
the display) should not exceed TC=100°C.  
Pin Function  
Pin Function  
2)  
Maximum allowable dissipation is derived from V =5.25 V,  
CC  
1
2
3
4
5
6
Column 1  
Column 2  
Column 3  
Column 4  
Column 5  
7
8
9
Data Out  
V =2.4 V, V  
=3.5 V 20 LEDs on per character, 20% DF.  
B
COL  
V
B
CC  
V
10 Clock  
11 Ground  
No connection 12 Data In  
2000 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA  
ISD201X/231X/235X  
March 23, 2000-17  
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)  
OSRAM Opto Semiconductors GmbH & Co. OHG • Regensburg, Germany  
www.osram-os.com • +49-941-202-7178  
2
Figure 1. Timing Characteristics  
Figure 2. Maximum Allowable Power Dissipation  
vs. Temperature, ISD201X  
l/fCLOCK  
1.0  
TTHL  
TWH  
TWL  
0.8  
VIH  
VIL  
VIH  
VIL  
2.0 V  
0.8 V  
CLOCK  
Rth(JA) = 35°C/W  
0.6  
THOLD  
TSETUP  
Rth(JA) = 55°C/W  
0.4  
2.0 V  
0.8 V  
DATA IN  
TPLH, TPHL  
0.2  
VOH  
VOL  
Tj(MAX)  
=
125°C  
20  
DATA OUT  
2.4 V  
0.4 V  
0.0  
-60 -40 -20  
0
40 60  
80 100 120  
Ta - Ambient Temperature - °C  
VIH  
VIL  
2.0 V  
0.8 V  
VB  
TON  
TOFF  
Figure 3. Maximum Allowable Power Dissipation  
vs. Temperature, ISD231X  
ON (illuminated)  
90%  
10%  
DISPLAY  
1.2  
OFF (not illuminated)  
1.0  
AC Electrical Characteristics  
(V =4.75 to 5.25 V, T =–55°C to 100°C)  
0.8  
CC  
A
Rth(JA) = 35°C/W  
(1)  
Symbol Description  
Min. Typ. Max.  
Units Fig.  
0.6  
Rth(JA) = 55°C/W  
T
T
T
T
F
Setup Time  
Hold Time  
50  
25  
10  
20  
45  
45  
5
ns  
1
1
1
1
1
1
SETUP  
HOLD  
WL  
0.4  
ns  
0.2  
Tj(MAX) = 125°C  
Clock Width Low 75  
Clock Width High 75  
ns  
0.0  
ns  
WH  
-60 -40 -20  
0
20  
40 60  
80 100 120  
Ta - Ambient Temperature - °C  
Clock Frequency  
MHz  
ns  
(CLK)  
T
T
Clock Transition  
Time  
75 200  
THL  
TLH  
Figure 4. Maximum Allowable Power Dissipation  
vs. Temperature, ISD235X  
T
T
Propagation Delay —  
Clock to Data Out  
50 125  
ns  
1
PHL  
PLH  
1.5  
Notes:  
1)  
All typical values specified at V =5.0 V and TA=25°C unless  
otherwise noted.  
CC  
1.0  
2)  
V
Pulse Width Frequency—50 kHz (max.)  
B
Rth(JA) = 35°C/W  
Rth(JA) = 55°C/W  
0.5  
Tj(MAX) = 125°C  
0.0  
-60 -40 -20  
0
20  
40  
60  
80  
100 120  
Ta - Ambient Temperature - °C  
2000 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA  
ISD201X/231X/235X  
March 23, 2000-17  
www.infineon.com/opto • 1-888-Infineon (1-888-463-4636)  
OSRAM Opto Semiconductors GmbH & Co. OHG • Regensburg, Germany  
www.osram-os.com • +49-941-202-7178  
3
Optical Characteristics  
Red ISD2010, ISD2310  
Description  
(4)  
Symbol  
Min.  
105  
220  
Typ.  
200  
370  
660  
639  
Units Test Conditions  
(1,3)  
Peak Luminous Intensity per LED  
(Character Average)  
ISD2010  
ISD2310  
I
µcd  
V
=5.0 V, V  
=3.5 V  
COL  
V
peak  
CC  
(5)  
T =25°C , V =2.4 V  
J
B
Peak Wavelength  
λ
λ
nm  
nm  
V
peak  
(2)  
Dominant Wavelength  
dom  
Yellow ISD2011, IDS2311, ISD2351  
Description  
(4)  
Symbol  
Min.  
Typ.  
Units Test Conditions  
(1,3)  
Peak Luminous Intensity per LED  
(Character Average)  
ISD2011  
ISD2311  
ISD2351  
I
400  
650  
2400  
750  
µcd  
V
=5.0 V, V  
=3.5 V  
V
CC  
COL  
peak  
(5)  
T =25°C , V =2.4 V  
1140  
3400  
583  
J
B
Peak Wavelength  
λ
λ
nm  
nm  
V
peak  
(2)  
Dominant Wavelength  
585  
dom  
High Efficiency Red IDS2012, ISD2312, IDS2352  
(4)  
Description  
Symbol  
Min.  
400  
650  
853  
Typ.  
1430  
1430  
2500  
630  
Units Test Conditions  
(1,3)  
Peak Luminous Intensity per LED  
(Character Average)  
ISD2012  
I
µcd  
V
=5.0 V, V  
=3.5 V  
V
peak  
CC  
COL  
(5)  
T =25°C , V =2.4 V  
ISD2312  
ISD2352  
J
B
Peak Wavelength  
λ
λ
nm  
nm  
V
peak  
(2)  
Dominant Wavelength  
626  
dom  
High Efficiency Green IDS2013, ISD2313, IDS2353  
(4)  
Description  
Symbol  
Min.  
850  
1280  
2400  
Typ.  
1550  
2410  
3000  
568  
Units Test Conditions  
(1,3)  
Peak Luminous Intensity per LED  
(Character Average)  
ISD2013  
ISD2313  
ISD2353  
I
µcd  
V
=5.0 V, V  
=3.5 V  
V
peak  
CC  
COL  
(5)  
T =25°C , V =2.4 V  
J
B
Peak Wavelength  
λ
λ
nm  
nm  
V
peak  
(2)  
Dominant Wavelength  
574  
dom  
Notes:  
1)  
The displays are categorized for luminous intensity with the intensity category designated by a letter code on the bottom of the package.  
2)  
Dominant wavelength (λ  
of the device.  
) is derived from the CIE chromaticity diagram and represents the single wavelength which defines the color  
dom  
3)  
The luminous sterance of the LED may be calculated using the following relationships:  
2
2
L (cd/m )= l (Candela)/A (Meter)  
V
V
2
L (Footlamberts)= π l (Candela)/A (Foot)  
A=5.3 x 10 m =5.8 x10 (Foot)  
V
v
–8  
2
–7  
2
4)  
5)  
All typical values specified at V =5.0 V and T =25°C unless otherwise noted.  
CC  
A
The luminous intensity is measured at T =T =25°C. No time is allowed for the device to warm up prior to measurement.  
A
J
2000 Inneon Technologies Corp. Optoelectronics Division San Jose, CA  
ISD201X/231X/235X  
March 23, 2000-17  
www.inneon.com/opto 1-888-Inneon (1-888-463-4636)  
OSRAM Opto Semiconductors GmbH & Co. OHG Regensburg, Germany  
www.osram-os.com +49-941-202-7178  
4
Recommended Operating Conditions  
(Guaranteed over operating temperature range)  
Parameter  
Symbol  
Min.  
4.75  
Nom.  
5.0  
Max.  
5.25  
Units  
V
Supply Voltage  
V
CC  
Data Out Current, Low State  
Data Out Current, High State  
I
I
mA  
mA  
V
OL  
OH  
(1)  
Column Input Voltage, Column On  
V
2.75  
70  
3.5  
COL  
Setup Time  
T
T
T
T
T
45  
ns  
SETUP  
HOLD  
W(CLK)  
CLK  
Hold Time  
30  
ns  
Width of Clock  
75  
ns  
Clock Frequency  
Clock Transition Time  
Free Air Operating Temperature Range  
Note:  
5.0  
200  
+100  
MHz  
ns  
THL  
T
–55  
°C  
A
1)  
See Figures 5, 6 and 7: Peak column current versus column voltage  
Figure 7. Peak Column Current vs. Column  
Voltage, ISD235X  
Figure 5. Peak Column Current vs. Column  
Voltage, ISD201X  
600  
600  
500  
400  
300  
200  
100  
0
500  
400  
300  
200  
100  
0
2010  
2011/2012/2013  
0.0  
1.0  
2.0  
3.0  
4.0  
5.0  
6.0  
0.0  
1.0  
2.0  
3.0  
4.0  
5.0  
6.0  
Vcol Column Voltage Volts  
Vcol Column Voltage Volts  
Figure 6. Peak Column Current vs. Column  
Voltage, ISD231X  
600  
500  
ISD2310  
400  
ISD2311/2/3  
300  
200  
100  
0
0.0  
1.0  
2.0  
3.0  
4.0  
5.0  
6.0  
Vcol Column Voltage Volts  
2000 Inneon Technologies Corp. Optoelectronics Division San Jose, CA  
www.inneon.com/opto 1-888-Inneon (1-888-463-4636)  
OSRAM Opto Semiconductors GmbH & Co. OHG Regensburg, Germany  
www.osram-os.com +49-941-202-7178  
ISD201X/231X/235X  
March 23, 2000-17  
5
Electrical Characteristics (–55°C to +100°C, unless otherwise specified)  
(1)  
Description  
Symbol Min. Typ.  
Max. Units  
Test Conditions  
Supply Current (quiescent)  
I
5.0  
5.0  
mA  
V =0.4 V  
V
V
=5.25 V  
CC  
CC  
B
=V  
=2.4 V  
CLK  
DATA  
V =2.4 V  
B
All SR Stages=Logical 1  
Supply Current (operating)  
I
I
I
10  
10  
mA  
µA  
F
=5.0 MHz  
CLK  
CC  
(2)  
(2)  
Column Current at Any Column Input  
Column Current at Any Column Input  
V =0.4 V  
V
V
=5.25 V  
CC  
COL  
COL  
B
=3.5 V  
COL  
mA  
All SR Stages=Logical 1  
ISD2010 red  
ISD2011/2/3: yellow, HER, green  
ISD231X: red, yellow, HER, green  
ISD235X: yellow, HER, green  
350  
335  
380  
550  
435  
410  
520  
650  
V , Clock or Data Input Threshold Low  
V
V
V
V
0.8  
V
V
=4.75 V5.25 V  
B
IL  
CC  
V , Clock or Data Input Threshold High  
2.0  
2.4  
V
B
IH  
Data Out Voltage  
3.6  
V
I
I
=0.5 mA  
V
=5.25 V  
CC  
OH  
OL  
OH  
I
=0 mA  
COL  
=1.6 mA  
OL  
Input Current Logical 0, V only  
I
I
30  
110  
300 µA  
V
=4.75 V5.25 V, V =0.8 V  
IL  
B
IL  
IL  
CC  
Input Current Logical 0, Data, Clock  
Power Dissipation per Package  
P
W
V
=5.0 V, V  
=3.5 V, 17.5% DF  
COL  
D
CC  
15 LEDs on per character, V =2.4 V  
B
ISD201X  
ISD231X  
ISD235X  
0.44  
0.52  
0.74  
Thermal Resistance IC, Junction-to-Pin  
R
°C/W/  
θJ-PIN  
Device  
ISD201X  
ISD231X  
ISD235X  
30  
20  
25  
Notes:  
1)  
All typical values specied at V =5.0 V and T =25°C unless otherwise noted.  
See Figures 5, 6 and 7: Peak column current versus column voltage  
CC  
A
2)  
2000 Inneon Technologies Corp. Optoelectronics Division San Jose, CA  
ISD201X/231X/235X  
www.inneon.com/opto 1-888-Inneon (1-888-463-4636)  
OSRAM Opto Semiconductors GmbH & Co. OHG Regensburg, Germany  
www.osram-os.com +49-941-202-7178  
6
March 23, 2000-17  
Figure 8. Block Diagram  
Column Drive Inputs  
Column  
1 2 3 4 5  
LED  
Matrix  
2
LED  
Matrix  
3
LED  
Matrix  
4
1 2 3 4 5 6 7  
Rows  
Rows 1-7  
Rows 1-7  
Rows 1-7  
Blanking  
Control, VB  
Constant Current Sinking LED Drivers  
1 2 3 4 5 6 7  
Rows 8-14  
Rows 15-21  
Rows 22-28  
Serial  
Data  
Input  
Serial  
Data  
Output  
28-Bit SIPO Shift Register  
Clock  
Contrast Enhancement Filters for Sunlight Readability  
Display Color  
Red, HER  
Yellow  
Filter Color  
Red  
Marks Polarized Corp.* Optical Characteristics of Filter  
MPC 20-15C  
MPC 30-25C  
MPC 50-122C  
MPC 80-10C  
25% at 635 nm, Circular Polarizer  
25% at 583 nm, Circular Polarizer  
22% at 568 nm, Circular Polarizer  
10% Neutral, Circular Polarizer  
Amber  
Green  
Yellow/Green  
Neutral Gray  
Multiple Colors  
High Ambient Light  
Multiple Colors  
Neutral Gray  
MPC 80-37C  
37% Neutral, Circular Polarizer  
* Marks Polarized Corp.  
25-B Jefryn Blvd. W.  
Deer Park, NY 11729  
516/242-1300  
FAX 516/242-1347  
Marks Polarized Corp. manufactures  
to MIL-1-45208 inspection system.  
2000 Inneon Technologies Corp. Optoelectronics Division San Jose, CA  
www.inneon.com/opto 1-888-Inneon (1-888-463-4636)  
OSRAM Opto Semiconductors GmbH & Co. OHG Regensburg, Germany  
www.osram-os.com +49-941-202-7178  
ISD201X/231X/235X  
7
March 23, 2000-17  
The small alphanumeric displays are hybrid LED and CMOS  
assemblies that are designed for reliable operation in commer-  
cial and industrial environments. Optimum reliability and optical  
performance will result when the junction temperature of the  
LEDs and CMOS ICs are kept as low as possible.  
For ease of calculations the maximum allowable electrical oper-  
ating condition is dependent upon the aggregate thermal resis-  
tance of the LED matrixes and the two driver ICs. All of the  
thermal management calculations are based upon the parallel  
combination of these two networks which is 15°C/W. Maxi-  
mum allowable power dissipation is given in Equation 3.  
Thermal Modeling  
Equation 3.  
ISD displays consist of two driver ICs and four 5 x 7 LED  
matrixes. A thermal model of the display is shown in Figure 9.  
It illustrates that the junction temperature of the semiconductor  
= junction self heating + the case temperature rise + the ambi-  
ent temperature. Equation 1 shows this relationship.  
TJ(MAX) TA  
PDISPLAY = ---------------------------------  
R
θJC + RθCA  
PDISPLAY = 5VCOL ICOL (n 35) DF + VCC ICC  
For further reference see Figures 2, 3, 4 and 11 23.  
Figure 9. Thermal Model  
Key to equation symbols  
DF  
Duty factor  
Quiescent IC current  
Column current  
LED T  
Rθ1  
IC T  
LED T  
Rθ1  
LED T  
Rθ1  
IC T  
LED T  
Rθ1  
1
2
1
1
2
1
I
CC  
Rθ2  
Rθ2  
I
COL  
n
P
Number of LEDs on in a 5 x 7 array  
Package power dissipation excluding LED  
under consideration  
CASE  
LED Power IC Power LED Power LED Power IC Power LED Power  
RθCA  
P
P
P
R
R
T
Power dissipation of a column  
Power dissipation of the display  
Power dissipation of a LED  
Thermal resistance case to ambient  
Thermal resistance junction to case  
Ambient temperature  
Junction temperature of an IC  
Junction temperature of a LED  
Maximum junction temperature  
IC voltage  
COL  
DISPLAY  
LED  
See Equation 1 below.  
The junction rise within the LED is the product of the thermal  
impedance of an individual LED (37°C/W, DF=20%, F=200 Hz),  
θCA  
θJC  
times the forward voltage, V  
, and forward current I (LED),  
A
F(LED)  
F
T
of 13 14.5 mA. This rise averages T  
=1°C. The Table  
J(IC)  
J(LED)  
T
T
below shows the V  
for the respective displays.  
J(LED)  
J(MAX)  
F(LED)  
V
V
V
Z
Model Number  
VF  
CC  
Column voltage  
Forward voltage of LED  
Thermal impedance junction to case  
COL  
F(LED)  
Min.  
Typ.  
Max.  
ISD2010  
ISD2310  
1.6  
1.7  
2.0  
θJC  
Optical Considerations  
ISD2011/2/3  
ISD2311/2/3  
ISD2351/2/3  
1.9  
2.2  
3.0  
The light output of the LEDs is inversely related to the LED  
diodes junction temperature as shown in Figure 10. For opti-  
mum light output, keep the thermal resistance of the socket or  
PC board as low as possible.  
The junction rise within the LED driver IC is the combination  
of the power dissipated by the IC quiescent current and the  
28 row driver current sinks. The IC junction rise is given in  
Equation 2.  
A thermal resistance of 28°C/W results in a typical junction  
rise of 6°C.  
See Equation 2 below.  
Equation 1.  
TJ(LED) = PLED  
Z θJ C + PCASE (RθJC + RθCA)+ TA  
TJ(LED) = [(ICOL 28)VF (LED) ZθJC ] + [(n 35)ICOL DF (5VCOL) + VCC ICC] [RθJC + RθCA] + TA  
Equation 2.  
TJ(IC) = PCOL(RθJC + RθCA) + TA  
TJ(IC) = [5(VCOL VF(LED)) (ICOL 2) (n 35)DF + VCC  
ICC] [RθJC + RθCA] + TA  
2000 Inneon Technologies Corp. Optoelectronics Division San Jose, CA  
www.inneon.com/opto 1-888-Inneon (1-888-463-4636)  
OSRAM Opto Semiconductors GmbH & Co. OHG Regensburg, Germany  
www.osram-os.com +49-941-202-7178  
ISD201X/231X/235X  
March 23, 2000-17  
8
Figure 10. Normalized Luminous Intensity vs. Junction  
Temperature  
Figure 13. Max. Package Power Dissipation, ISD231X  
2.0  
10  
Vcc = 5.25V, Icc =10mA  
Vcol = 3.5, Icol = 520mA  
Normalized to:  
1.5  
DF = 20%, Ta = 25°C  
Ta = 25°C  
1.0  
0.5  
0.0  
1
.1  
-60 -40 -20  
0
20 40 60 80 100 120 140  
0
5
10  
15  
20  
25  
30  
35  
40  
Tj - LED Junction Temperature - °C  
LEDs on per Character  
Figure 14. Max. Package Power Dissipation, ISD235X  
When mounted in a 10°C/W socket and operated at Absolute  
Maximum Electrical conditions, the display will show an LED  
3.0  
junction rise of 17°C. If T =40°C, then the LEDs T will be  
A
J
57°C. Under these conditions Figure 11 shows that the lV will  
be 75% of its 25°C value.  
2.5  
Vcc =5.25V, Icc = 10mA  
Vcol = 3.5V, Icol = 600mA  
2.0  
DF = 20%, Ta =25°C  
Figure 11. Max. LED Junction Temperature vs. Socket  
Thermal Resistance  
1.5  
50  
45  
40  
35  
30  
1.0  
0.5  
0.0  
25  
0
5
10  
15  
20  
25  
30  
35  
40  
Vcol = 3.5V, Icol = 410mA  
20  
LEDs on per Character  
Vcc =5.25V, Icc = 10mA  
15  
n = 20 LEDs, DF= 20%  
Figure 15. Package Power Dissipation, ISD201X  
10  
P = 0.87W  
5
0
1.5  
Vcc =5V, Icc = 5mA  
0
5
10 15 20 25 30 35 40 45 50  
Vcol = 3.5V, Icol = 335mA  
Socket Thermal Resistance - °C/W  
DF = 20%, Ta = 25°C  
1.0  
Figure 12. Max. Package Power Dissipation, ISD201X  
1.5  
Vcc = 5.25V, Icc = 10mA  
Vcol = 3.5, Icol = 410mA  
0.5  
0.0  
DF = 20%, Ta = 25°C  
1.0  
0.5  
0.0  
0
5
10  
15  
20  
25  
30  
35  
40  
LEDs on per Character  
0
5
10  
15  
20  
25  
30  
35  
40  
LEDs on per Character  
2000 Inneon Technologies Corp. Optoelectronics Division San Jose, CA  
www.inneon.com/opto 1-888-Inneon (1-888-463-4636)  
OSRAM Opto Semiconductors GmbH & Co. OHG Regensburg, Germany  
www.osram-os.com +49-941-202-7178  
ISD201X/231X/235X  
March 23, 2000-17  
9
Figure 16. Max. Package Power Dissipation, ISD231X  
Figure 20. Max. Character Power Dissipation, ISD235X  
2.0  
1.5  
Vcc = 5V, Icc = 5mA  
Vcc = 5V, Icc = 5mA  
Vcol = 3.5, Icol = 380mA  
Icol = 450mA, Vcol = 3.5V  
1.5  
DF = 20%, Ta = 25°C  
DF = 20%  
1.0  
1.0  
0.5  
0.0  
0.5  
0.0  
0
5
10  
15  
20  
25  
30  
35  
40  
0
5
10  
15  
20  
25  
30  
35  
40  
LEDs on per Character  
LEDs on per Character  
Figure 17. Max. Package Power Dissipation, ISD235X  
Figure 21. Character Power Dissipation, ISD201X  
2.0  
0.4  
Vcc = 5V, Icc = 5mA  
Vcc = 5V, Icc = 5mA  
Icol = 450mA, Vcol = 3.5V  
Vcol = 3.5, Icol = 335mA  
Duty Factor  
0.3  
1.5  
DF = 20%  
20%  
17%  
1.0  
0.5  
0.0  
0.2  
0.1  
0.0  
10%  
5%  
0
5
10  
15  
20  
25  
30  
35  
40  
0
5
10  
15  
20  
25  
30  
35  
40  
LEDs on per Character  
LEDs on per Character  
Figure 18. Max. Character Power Dissipation, ISD201X  
Figure 22. Character Power Dissipation, ISD231X  
0.5  
Vcc =5V, Icc = 5mA  
0.50  
Vcc = 5.25V, Icc = 10mA  
Vcol = 3.5V, Icol = 380mA  
0.4  
Vcol = 3.5V, Icol = 410mA  
Duty Factor  
0.40  
20%  
20%.  
0.3  
17%.  
0.30  
10%.  
0.2  
5%.  
17%  
0.20  
0.1  
10%  
0.10  
0.00  
5%  
0.0  
0
5
10  
15  
20  
25  
30  
35  
40  
LEDs on per Character  
0
5
10  
15  
20  
25  
30  
35  
40  
LEDs on per Character  
Figure 23. Character Power Dissipation, ISD235X  
Figure 19. Max. Character Power Dissipation, ISD231X  
0.5  
Vcc = 5V, Icc = 5mA  
0.50  
Vcc =5.25V, Icc = 10mA  
Vcol = 3.5V, Icol = 380mA  
20%  
17%  
20%  
17%  
Vcol = 3.5V, Icol = 450mA  
0.4  
0.3  
0.2  
0.1  
0.0  
0.40  
0.30  
0.20  
0.10  
0.00  
10%  
5%  
10%  
5%  
0
5
10  
15  
20  
25  
30  
35  
40  
0
5
10  
15  
20  
25  
30  
35  
40  
LEDs on per Character  
LEDs on per Character  
2000 Inneon Technologies Corp. Optoelectronics Division San Jose, CA  
www.inneon.com/opto 1-888-Inneon (1-888-463-4636)  
OSRAM Opto Semiconductors GmbH & Co. OHG Regensburg, Germany  
www.osram-os.com +49-941-202-7178  
ISD201X/231X/235X  
March 23, 2000-17  
10  

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