LM30057ABRG LIGHTKEY | Alldatasheet
Document overview
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Technical content
Features
¾ 79.80mm (3.00 inch) digit high ¾ Dot size: Diameter 7.62 mm ¾ Pitch: 11.43 mm 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 1*/ $0- 308 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: DS10121841 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 3.00 inch 5x7 Dual Color Dot Matrix LED Display Internal Circuit Diagram LM30057ARG (Common Cathode Row) LM30057BRG (Common Anode Row) /0 $0//&$5 03"/(& (3&&/ 308 $0- /01*/ 1*/ /0 $0//&$5 03"/(& (3&&/ 308 /01*/ $0- 1*/ Selection Guide 3.00 inch 5x7 Red-Green LED dot matrix module, Matrix Height: 79.80mm(3.00 inch), External Dimensions: 56.90x79.80x8.90mm (LxWxH) Part No. Chip Iv(mcd)@20mA One Dot Description Cathode Row Anode Row Material Color W LD (nm) Min. Typ. GaAlAs Super Red 640 12 15 Standard Brightness LM30057ARG LM30057BRG GaP Green 568 10.5 13.5 AlGaInP Ultra Red 640 45 67.5 Ultra-High Brightness LM30057AURUG LM30057BURUG AlGaInP Ultra Green 573 45 67.5
SPEC NO: DS10121841 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 3.00 inch 5x7 Dual Color Dot Matrix LED Display Electrical Characteristics & Absolute Maximum Ratings Electrical optical Characteristics[1] Absolute Maximum Ratings[1] VF(V) @ IF=20mA[3] Color Typ. Max. Reverse Current VR=5V(uA) Power Dissipation (mW) DC Forward Current (mA) Peak Forward Current[3] (mA) Reverse Voltage (V) Super Red 1.8 2.2 50 120 25 100 5 Green 2.2 2.5 50 160 30 100 5 Ultra Red 1.9 2.6 50 120 30 100 5 Ultra Green 2.1 2.6 50 150 30 100 5 Operating/ Storage Temp.: -40 to +80 deg.; Lead Solder Temp.: 260 deg. for 3-5 Sec. 2mm below package base 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.