ISD2010/2310 YELLOW ISD2011/2311/2351 HIGH EFFICIENCY RED ISD2012/2312/2352 HIGH EFFICIENCY GREEN ISD2013/2313/2353 RED 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" 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: -55C to +100C * Categorized for Luminous Intensity * Ceramic Package, Hermetically Sealed Flat Glass Window 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 package is a standard twelve-pin hermetic DIP with glass lens. The display can be stacked horizontally or vertically to form messages of any length. 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 These displays have two fourteen-bit CMOS shift registers with built-in row drivers. These shift registers drive twentyeight rows and enable the design of customized fonts. Cascading 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 VB input may either be tied to VCC for maximum display intensity or pulse width modulated to achieve intensity control and reduce power consumption. 1 March 23, 2000-17 DESCRIPTION (continued) Dimensions in Inches (mm) In the normal mode of operation, input data for digit four, column 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 display is operating at a duty factor of: .083 (2.11) .699 (17.7) max. .146 .310 (3.7) (7.87) .290 (7.25) Pin 1 marked by dot on back of package .200 (5.08) T+t, allotted to each display column, is generally chosen to provide the maximum duty factor consistent with the minimum 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. .175 (4.44) .005 (.13) .050 (1.27) .005 (.13) .100 (2.54) .270 (6.85) .010 (.25) .002 (.05) typ. .100 (2.54) typ. .005 (.13) 10 pl., non-cum. Seating Plane .050 (1.27) 12 pl. .020 (.54) .003 (.08) ISD201X 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 possible to maintain t<T. For short display strings, the duty factor will then approach 20%. YYWW Pin 1 Indicator Year Work Week Part Number .300 (7.62) Hue Code Luminous Intensity Code Z H T DF = --------------------5 (T + 1 ) OSRAM ISD231X/235X .099 (2.51) .005 (.13) Maximum Ratings Supply Voltage VCC to GND ...............................-0.5 V to +7.0 V Inputs, Data Out and VB .............................-0.5 V to VCC +0.5 V Column Input Voltage, VCOL .............................-0.5 V to +6.0 V Operating Temperature Range ....................... -55C to +100C Storage Temperature Range ........................... -65C to +125C Maximum Solder Temperature, 0.063" (1.59 mm) below Seating Plane, t<5.0 s ........................................ 260C Maximum Allowable Power Dissipation, TA=25 C (2) ISD2010 .......................................................................0.91 W ISD2011/2/3 .................................................................0.86 W ISD231X .........................................................................1.1 W ISD235X .......................................................................1.35 W .790 (20.07) max. 12 11 10 9 8 7 .112 (2.84) .332 (8.43) .197 (5.00) 1 2 3 4 5 6 .005 (.13) CL .100 (2.54) .100 (2.54) .020 (.51) .005 (.13) .003 (.08) non-cum. 10 pl. ISD231X YYWW Pin 1 indicators dot and notch on package underside Year Work Week Part No. Pin 1 2 3 4 5 6 .250 (6.35) .010 (.25) .192 (4.88) .270 (6.86) .200 (5.08) .050 (1.27) 12 pl. Notes: 1) Operation above +100C ambient is possible if the following conditions are met. The junction should not exceed TJ=125C and the case temperature (as measured at pin 1 or the back of the display) should not exceed TC=100 C. 2) Maximum allowable dissipation is derived from V =5.25 V, CC VB=2.4 V, VCOL=3.5 V 20 LEDs on per character, 20% DF. .010 (.25) .002 (.05) Function Column 1 Column 2 Column 3 Column 4 Column 5 No connection Pin 7 8 9 10 11 12 Z H See Appnote 44 for application information and Appnotes 18, 19, 22, 23 at www.infineon.com/opto. 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 ISD201X Hue Code Luminous Intensity Code OSRAM Function Data Out VB V CC Clock Ground Data In ISD201X/231X/235X 2 March 23, 2000-17 Figure 1. Timing Characteristics Figure 2. Maximum Allowable Power Dissipation vs. Temperature, ISD201X l/fCLOCK VIH 2.0 V PD - Maximum Allowable Power Dissipation - W CLOCK 1.0 TTHL TWL TWH VIL 0.8 V VIH DATA IN THOLD TSETUP 2.0 V VIL 0.8 V TPLH, TPHL V 2.4 V OH 0.4 V V OL DATA OUT 0.8 Rth(JA) = 35C/W 0.6 Rth(JA) = 55C/W 0.4 0.2 Tj(MAX) = 125C 0.0 -60 -40 VIH 100 120 2.0 V VIL 0.8 V OFF (not illuminated) 90% 1.2 10% AC Electrical Characteristics (VCC=4.75 to 5.25 V, TA=-55C to 100C) Symbol Description Min. Typ. Max.(1) Units Fig. TSETUP Setup Time 50 10 -- ns 1 THOLD Hold Time 25 20 -- ns 1 TWL Clock Width Low 75 45 -- ns 1 TWH Clock Width High 75 45 -- ns 1 F(CLK) Clock Frequency -- -- 5 MHz 1 TTHL TTLH Clock Transition Time -- 75 200 ns 1 TPHL TPLH Propagation Delay -- Clock to Data Out 50 125 ns 1 Power Dissipation - W DISPLAY Figure 3. Maximum Allowable Power Dissipation vs. Temperature, ISD231X TON TOFF ON (illuminated) PD - Maximum Allowable VB -20 0 20 40 60 80 Ta - Ambient Temperature - C 1.0 0.8 Rth(JA) = 35C/W 0.6 Rth(JA) = 55C/W 0.4 0.2 0.0 -60 Tj(MAX) = 125C -40 -20 0 20 40 60 80 Ta - Ambient Temperature - C 100 120 Figure 4. Maximum Allowable Power Dissipation vs. Temperature, ISD235X 1.5 PD - Maximum Allowable Power Dissipation - W Notes: 1) All typical values specified at V =5.0 V and T =25C unless A CC otherwise noted. 2) V Pulse Width Frequency--50 kHz (max.) B 1.0 Rth(JA) = 35C/W Rth(JA) = 55C/W 0.5 Tj(MAX) = 125C 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 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 ISD201X/231X/235X 3 March 23, 2000-17 Optical Characteristics Red ISD2010, ISD2310 Description Peak Luminous Intensity per LED (Character Average) (1,3) ISD2010 Symbol Min. Typ.(4) Units Test Conditions IVpeak 105 200 cd VCC=5.0 V, VCOL=3.5 V 220 370 ISD2310 TJ=25C (5), VB=2.4 V Peak Wavelength Vpeak -- 660 nm -- Dominant Wavelength (2) dom -- 639 nm -- Symbol Min. Typ.(4) Units Test Conditions IVpeak 400 750 cd VCC=5.0 V, VCOL=3.5 V ISD2311 650 1140 ISD2351 2400 3400 Yellow ISD2011, IDS2311, ISD2351 Description Peak Luminous Intensity per LED (Character Average) (1,3) ISD2011 TJ=25C (5), VB=2.4 V Peak Wavelength Vpeak -- 583 nm -- Dominant Wavelength (2) dom -- 585 nm -- Symbol Min. Typ.(4) Units Test Conditions IVpeak 400 1430 cd VCC=5.0 V, VCOL=3.5 V ISD2312 650 1430 ISD2352 853 2500 Vpeak -- 630 nm -- dom -- 626 nm -- Symbol Min. Typ.(4) Units Test Conditions IVpeak 850 1550 cd VCC=5.0 V, VCOL=3.5 V ISD2313 1280 2410 ISD2353 2400 3000 Vpeak -- 568 nm -- dom -- 574 nm -- High Efficiency Red IDS2012, ISD2312, IDS2352 Description Peak Luminous Intensity per LED (Character Average) (1,3) ISD2012 Peak Wavelength Dominant Wavelength (2) TJ=25C (5), VB=2.4 V High Efficiency Green IDS2013, ISD2313, IDS2353 Description Peak Luminous Intensity per LED (Character Average) Peak Wavelength Dominant Wavelength (2) (1,3) ISD2013 TJ=25C (5), VB=2.4 V 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 ( dom) is derived from the CIE chromaticity diagram and represents the single wavelength which defines the color of the device. 3) The luminous sterance of the LED may be calculated using the following relationships: LV (cd/m2) = lV (Candela)/A (Meter)2 LV (Footlamberts) = lv (Candela)/A (Foot)2 A=5.3 x 10-8 m2 = 5.8 x10-7 (Foot)2 4) All typical values specified at V =5.0 V and T =25C unless otherwise noted. CC A 5) The luminous intensity is measured at T =T =25C. No time is allowed for the device to warm up prior to measurement. A J 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 ISD201X/231X/235X 4 March 23, 2000-17 Recommended Operating Conditions (Guaranteed over operating temperature range) Parameter Symbol Min. Nom. Max. Units Supply Voltage VCC 4.75 5.0 5.25 V Data Out Current, Low State IOL -- -- -- mA IOH -- -- -- mA VCOL 2.75 -- 3.5 V Setup Time TSETUP 70 45 -- ns Hold Time THOLD 30 -- -- ns Width of Clock TW(CLK) 75 -- -- ns Clock Frequency TCLK -- -- 5.0 MHz Clock Transition Time TTHL -- -- 200 ns Free Air Operating Temperature Range TA -55 -- +100 C Data Out Current, High State Column Input Voltage, Column On (1) Note: 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 Icol - Peak Column Current - mA Icol - Peak Column Current - mA 600 500 400 2010 2011/2012/2013 300 200 100 1.0 2.0 3.0 4.0 5.0 400 300 200 100 0 0.0 0 0.0 500 6.0 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 Icol - Column Current - mA 600 500 400 ISD2310 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 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 ISD201X/231X/235X 5 March 23, 2000-17 Electrical Characteristics (-55C to +100C, unless otherwise specified) Description Symbol Min. Typ.(1) Max. Units Test Conditions Supply Current (quiescent) ICC -- -- 5.0 mA VB=0.4 V -- -- 5.0 ICC -- -- 10 mA FCLK=5.0 MHz Column Current at Any Column Input (2) ICOL -- -- 10 A VB=0.4 V Input (2) ICOL -- mA -- 350 335 380 550 435 410 520 650 VCC=4.75 V-5.25 V Supply Current (operating) Column Current at Any Column ISD2010 red ISD2011/2/3: yellow, HER, green ISD231X: red, yellow, HER, green ISD235X: yellow, HER, green VB=2.4 V VCC=5.25 V VCLK=VDATA=2.4 V All SR Stages=Logical 1 VCC=5.25 V VCOL=3.5 V All SR Stages=Logical 1 VB, Clock or Data Input Threshold Low VIL -- -- 0.8 V VB, Clock or Data Input Threshold High VIH 2.0 -- -- V Data Out Voltage VOH 2.4 3.6 -- V IOH=0.5 mA VOL -- -- -- -- IOL=1.6 mA Input Current Logical 0, VB only IIL -30 -110 -300 A VCC=4.75 V-5.25 V, VIL=0.8 V Input Current Logical 0, Data, Clock IIL -- -- -- -- Power Dissipation per Package PD -- -- W VCC=5.0 V, VCOL=3.5 V, 17.5% DF 15 LEDs on per character, VB=2.4 V -- C/W/ Device -- 0.44 0.52 0.74 ISD201X ISD231X ISD235X Thermal Resistance IC, Junction-to-Pin RJ-PIN -- ISD201X ISD231X ISD235X 30 20 25 VCC=5.25 V ICOL=0 mA Notes: 1) All typical values specified at V =5.0 V and T =25C unless otherwise noted. CC A 2) See Figures 5, 6 and 7: Peak column current versus column voltage 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 ISD201X/231X/235X 6 March 23, 2000-17 Figure 8. Block Diagram Column Drive Inputs Column 1 2 34 5 LED Matrix 3 LED Matrix 2 Blanking Control, VB Serial Data Input 1 2 3 4 5 6 7 Rows 1 2 3 4 5 6 7 Rows 1-7 Rows 1-7 LED Matrix 4 Rows 1-7 Constant Current Sinking LED Drivers Rows 8-14 Rows 15-21 28-Bit SIPO Shift Register Rows 22-28 Serial Data Output Clock Contrast Enhancement Filters for Sunlight Readability Display Color Filter Color Marks Polarized Corp.* Optical Characteristics of Filter Red, HER Red MPC 20-15C 25% at 635 nm, Circular Polarizer Yellow Amber MPC 30-25C 25% at 583 nm, Circular Polarizer Green Yellow/Green MPC 50-122C 22% at 568 nm, Circular Polarizer Multiple Colors High Ambient Light Neutral Gray MPC 80-10C 10% Neutral, Circular Polarizer 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 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 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 commercial 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 operating condition is dependent upon the aggregate thermal resistance 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 15C/W. Maximum 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 ambient temperature. Equation 1 shows this relationship. T J ( MAX ) - T A P DISPLAY = --------------------------------R JC + R CA P DISPLAY = 5V COL I COL ( n 35 ) DF + V CC I CC For further reference see Figures 2, 3, 4 and 11 - 23. Figure 9. Thermal Model Key to equation symbols LED T1 IC T2 LED T1 LED T1 IC T2 LED T1 R1 R2 R1 R1 R2 R1 LED Power IC Power LED Power LED Power IC Power DF ICC ICOL n PCASE LED Power RCA PCOL PDISPLAY PLED RCA RJC TA TJ(IC) TJ(LED) TJ(MAX) VCC VCOL VF(LED) ZJC See Equation 1 below. The junction rise within the LED is the product of the thermal impedance of an individual LED (37C/W, DF=20%, F=200 Hz), times the forward voltage, VF(LED), and forward current IF(LED), of 13 - 14.5 mA. This rise averages TJ(LED)=1C. The Table below shows the VF(LED) for the respective displays. Model Number VF Min. Typ. Max. ISD2010 ISD2310 1.6 1.7 2.0 ISD2011/2/3 ISD2311/2/3 ISD2351/2/3 1.9 2.2 3.0 Duty factor Quiescent IC current Column current Number of LEDs on in a 5 x 7 array Package power dissipation excluding LED under consideration 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 Column voltage Forward voltage of LED Thermal impedance junction to case Optical Considerations The light output of the LEDs is inversely related to the LED diode's junction temperature as shown in Figure 10. For optimum 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 28C/W results in a typical junction rise of 6C. See Equation 2 below. Equation 1. T J ( LED ) = P LED Z J C + P CASE ( R JC + R CA ) + T A T J ( LED ) = [( I COL 28 )V F ( LED ) Z JC ] + [ ( n 35 )I COL DF ( 5V COL ) + V CC I CC ] [ R JC + R CA ] + T A Equation 2. T J ( IC ) = P COL ( R JC + R CA ) + T A T J ( IC ) = [ 5 ( V COL - V F ( LED ) ) ( I COL 2 ) ( n 35 )DF + V CC I CC ] [ R JC + R CA ] + T A 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 ISD201X/231X/235X 8 March 23, 2000-17 Figure 10. Normalized Luminous Intensity vs. Junction Temperature Figure 13. Max. Package Power Dissipation, ISD231X 2.0 Max. Package Power Dissipation Normalized Luminous Intensity 10 Normalized to: Ta = 25C 1 .1 Vcc = 5.25V, Icc =10mA Vcol = 3.5, Icol = 520mA 1.5 1.0 0.5 0.0 0 -60 -40 -20 0 20 40 60 80 100 120 140 Tj - LED Junction Temperature - C Max. Package Power Dissipation 50 40 Temperature - C Tj - Delta LED Junction 45 35 30 2.0 40 DF = 20%, Ta =25C 1.5 1.0 0.5 0.0 5 10 15 20 25 30 35 40 LEDs on per Character Vcc =5.25V, Icc = 10mA n = 20 LEDs, DF= 20% 10 35 Vcc =5.25V, Icc = 10mA Vcol = 3.5V, Icol = 600mA 0 Figure 15. Package Power Dissipation, ISD201X P = 0.87W 5 1.5 0 5 10 15 20 25 30 35 40 Socket Thermal Resistance - C/W 45 Package Power Dissipation - W 0 50 Figure 12. Max. Package Power Dissipation, ISD201X Max. Package Power Dissipation - W 2.5 Vcol = 3.5V, Icol = 410mA 15 10 15 20 25 30 LEDs on per Character 3.0 Figure 11. Max. LED Junction Temperature vs. Socket Thermal Resistance 20 5 Figure 14. Max. Package Power Dissipation, ISD235X When mounted in a 10C/W socket and operated at Absolute Maximum Electrical conditions, the display will show an LED junction rise of 17C. If TA=40C, then the LED's TJ will be 57C. Under these conditions Figure 11 shows that the lV will be 75% of its 25C value. 25 DF = 20%, Ta = 25C 1.5 Vcc = 5.25V, Icc = 10mA Vcol = 3.5, Icol = 410mA DF = 20%, Ta = 25 C 1.0 Vcc =5V, Icc = 5mA Vcol = 3.5V, Icol = 335mA DF = 20%, Ta = 25C 1.0 0.5 0.0 0 0.5 5 10 15 20 25 30 LEDs on per Character 35 40 0.0 0 5 10 15 20 LEDs on per 25 30 35 40 Character 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 ISD201X/231X/235X 9 March 23, 2000-17 Figure 16. Max. Package Power Dissipation, ISD231X Figure 20. Max. Character Power Dissipation, ISD235X 2.0 Vcc = 5V, Icc = 5mA Vcol = 3.5, Icol = 380mA Vcc = 5V, Icc = 5mA Power Dissipation - W Package Power Dissipation - W 1.5 DF = 20%, Ta = 25C 1.0 0.5 DF = 20% 1.0 0.5 0.0 0.0 0 5 10 15 20 25 30 LEDs on per Character 35 0 40 Figure 17. Max. Package Power Dissipation, ISD235X Character Power Dissipation - W Icol = 450mA, Vcol = 3.5V DF = 20% 1.0 0.5 0.0 0 5 10 15 20 25 30 LEDs on per Character 35 40 0.4 Vcc = 5V, Icc = 5mA 1.5 5 Figure 21. Character Power Dissipation, ISD201X 2.0 Power Dissipation - W Icol = 450mA, Vcol = 3.5V 1.5 10 15 20 25 30 LEDs on per Character 35 Vcc = 5V, Icc = 5mA Duty Factor 0.3 20% 17% 0.2 10% 5% 0.1 0.0 40 0 Figure 18. Max. Character Power Dissipation, ISD201X Vcol = 3.5, Icol = 335mA 5 10 15 20 25 30 LEDs on per Character 35 40 Figure 22. Character Power Dissipation, ISD231X Character Power Dissipation - W Max Character Power Dissipation - W 0.5 0.50 Vcc = 5.25V, Icc = 10mA Vcol = 3.5V, Icol = 410mA Duty Factor 0.40 20%. 17%. 10%. 5%. 0.30 0.20 0.10 Vcc =5V, Icc = 5mA Vcol = 3.5V, Icol = 380mA 0.4 20% 0.3 0.2 17% 0.1 10% 5% 0.0 0 0.00 0 5 10 15 20 25 30 LEDs on per Character 35 5 40 10 15 20 25 30 LEDs on per Character 35 40 Figure 23. Character Power Dissipation, ISD235X Figure 19. Max. Character Power Dissipation, ISD231X 0.5 Vcc =5.25V, Icc = 10mA Vcol = 3.5V, Icol = 380mA 0.40 Character Power Dissipation - W Max. Character Power Dissipation - W 0.50 20% 17% 0.30 10% 0.20 5% 0.10 0.00 0 5 10 15 20 25 30 35 Vcol = 3.5V, Icol = 450mA 0.4 20% 17% 0.3 10% 0.2 5% 0.1 0.0 40 0 LEDs on per Character 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 Vcc = 5V, Icc = 5mA 5 10 15 20 25 30 LEDs on per Character 35 40 ISD201X/231X/235X 10 March 23, 2000-17