LM20057AB LIGHTKEY | Alldatasheet
Document overview
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Technical content
Features
¾ 53.10mm (2.00 inch) digit high ¾ Dot size: Diameter 5.00 mm ¾ Pitch: 7.62mm ¾ Wide viewing angle ¾ Range of emitted colors ¾ I.C. compatible ¾ Low power consumption ¾ White dot, grey or black face Available options ¾ Alternative emitting luminosity: Standard or high brightness version ¾ Alternative emitted color ¾ Alternative dot color ¾ Alternative face ¾ Both CC and CA versions are available ¾ Cropped terminal pins ¾ RoHS compliant Package Dimensions 0.60 COL. 2.54*6=15.24 5.80 0.50 7.62*4=30.48 37.80 PIN 1 5.0 8.40 7.62*6=45.72 53.10 38.10 54321 ROW Notes: 1. All dimensions are in millimeters (inches), Tolerance is + 0.25mm (0.01inch) unless other wise noted. 2. Specifications are subject to change without notice. 3. The gap between the reflector and PCB shall not exceed 0.25mm.
SPEC NO: DS10121826 REV : A.4 CHECKE D: Emily Zhou APPROVED: M.H. Lin P AGE: 2/3 HTTP://WWW.LTKEY.COM TEL: 0086-574-86322282 DA TE: Jul/20/2011 Datasheet of 2.00 inch 5x7 Dot Matrix LED Display Internal Circuit Diagram LM20057A (Common Cathode Row) LM20057B (Common Anode Row) 308 1*/ 1*/ $0- 308 1*/ 1*/ /0/0 $0- Selection Guide Part No. Chip Iv@IF=20mA One Dot Common Cathode Row Common Anode Row Material Color WLD Min. Typ. LM2005 7AR LM2005 7BR GaAlAs Super Red 627 8 10 LM2005 7AD LM2005 7BD GaAlAs Hi-Red 627 18 25 LM2005 7AO LM2005 7BO GaAsP Orange 610 7 9 LM2005 7AY LM2005 7BY GaAsP Yellow 588 8 10 LM2005 7AG LM2005 7BG GaP Green 568 7 9 LM2005 7AUR LM2005 7BUR AlGaInP Ultra Red 627 30 45 LM2005 7AUO LM2005 7BUO AlGaInP Ultra Orange 610 45 60 LM2005 7AUA LM2005 7BUA AlGaInP Ultra Amber 605 30 45 LM2005 7AUY LM2005 7BUY AlGaInP Ultra Yellow 595 30 45 LM2005 7AUG LM2005 7BUG AlGaInP Ultra Green 573 30 45 LM2005 7APG LM2005 7BPG InGaN Pure Green 525 120 300 LM2005 7AUB LM2005 7BUB InGaN Ultra Blue 470 30 45 LM2005 7AUW LM2005 7BUW InGaN Ultra White \\ 100 120 Unit: \\ \\ \\ nm mcd mcd
SPEC NO: DS10121826 REV: A.4 CHECKED: Emil y Zhou APPROVED: M.H. Lin PAGE: 3/3 HTTP://WWW.LTKEY.COM TEL: 0086-574-86322282 DATE: Jul/20/2011 Datasheet of 2.00 inch 5x7 Dot Matrix LED Display Electrical Characteristics & Absolute Maximum Ratings Electrical Characteristics[1] Absolute Maximum Ratings[1] VF@ IF=20mA[2] Color Typ. Max. Reverse Current VR=5V Power Dissipation DC Forward Current Peak Forward Current[3] Super Red Per Dot 1.8 2.2 30 60 25 100 Hi-Red Per Dot 1.8 2.2 30 60 25 100 Orange Per Dot 2.1 2.5 30 80 30 100 Yellow Per Dot 2.1 2.5 30 80 30 100 Green Per Dot 2.2 2.5 30 80 30 100 Ultra Red Per Dot 1.9 2.6 30 60 30 100 Ultra Orange Per Dot 2.0 2.6 30 65 30 100 Ultra Amber Per Dot 2.0 2.6 30 65 30 100 Ultra Yellow Per Dot 2.0 2.6 30 65 30 100 Ultra Green Per Dot 2.1 2.6 30 75 30 100 Pure Green Per Dot 3.5 4.0 30 110 30 100 Ultra Blue Per Dot 3.5 4.0 30 120 30 100 Ultra White Per Dot 3.5 4.0 30 120 30 100 Unit: \\ V V uA mW mA mA N o t e s : 1. At Ta = 25 °C. 2. Forward voltage at forward current = 20mA. 3. Peak forward current at 1/10 Duty Cycle, 0.1ms Pulse.