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Datasheet of 3.00 inch 5x7 Dot Matrix LED Display
LM30057A/B Series – 3.00 inch 5x7 Dot Matrix LED Display
ATTENTION
OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC DISCHARGE SENSITIVE DEVICES
Features
¾ ¾
¾ ¾ ¾ ¾ ¾ ¾ ¾
Available options ¾ ¾ ¾ ¾ ¾ ¾
Alternative emitting luminosity: Standard or high brightness version Alternative emitted color Alternative dot color Alternative face Both CC and CA versions are available Cropped terminal pins
79.80mm (3.00 inch) digit high Dot size: Diameter 7.62 mm Pitch: 11.43 mm
Wide viewing angle Range of emitted colors I.C. compatible Low power consumption White dot, grey or black face RoHS compliant
Package Dimensions
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: DS10121840
REV: A.4
CHECKED: Emily Zhou TEL: 0086-574-86322282
APPROVED: M.H. Lin
PAGE: 1/3
HTTP://WWW.LTKEY.COM
DATE: Jul/20/2011
http://www.Datasheet4U.com
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Internal Circuit Diagram
LM30057A (Common Cathode Row)
Datasheet of 3.00 inch 5x7 Dot Matrix LED Display
LM30057B (Common Anode Row)
Selection Guide
Part No. Common Cathode Row LD30057AR LD30057AD LD30057AO LD30057AY LD30057AG LD30057AUR LD30057AUO LD30057AUA LD30057AUY LD30057AUG LD30057APG LD30057AUB LD30057AUW Unit: \ Common Anode Row LD30057BR LD30057BD LD30057BO LD30057BY LD30057BG LD30057BUR LD30057BUO LD30057BUA LD30057BUY LD30057BUG LD30057BPG LD30057BUB LD30057BUW \ Material GaAlAs GaAlAs GaAsP GaAsP GaP AlGaInP AlGaInP AlGaInP AlGaInP AlGaInP InGaN InGaN SMD \ Chip Color Super Red Hi-Red Orange Yellow Green Ultra Red Ultra Orange Ultra Amber Ultra Yellow Ultra Green Pure Green Ultra Blue Ultra White WLD 640 640 625 588 568 640 625 605 595 573 525 470 \ nm Iv@IF=20mA One Dot Min. 12 27 10.5 12 10.5 45 67.5 45 45 45 180 45 150 mcd Typ. 15 37.5 13.5 15 13.5 67.5 90 67.5 67.5 67.5 450 67.5 180 mcd
SPEC NO: DS10121840 HTTP://WWW.LTKEY.COM
REV: A.4
CHECKED: Emily Zhou TEL: 0086-574-86322282
APPROVED: M.H. Lin
PAGE: 2/3
DATE: Jul/20/2011
http://www.Datasheet4U.com
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Parameter
Datasheet of 3.00 inch 5x7 Dot Matrix LED Display
Electrical Characteristics & Absolute Maximum Ratings
Electrical optical Characteristics VF@ Emitted Color IF=20mA[2] Typ. Super Red Hi-Red Orange Yellow Green Ultra Red Ultra Orange Ultra Amber Ultra Yellow Ultra Green Pure Green Ultra Blue Ultra White Unit:
Notes: 1. At Ta = 25 °C. 2. Forward voltage at forward current = 20mA. 3. Peak forward current at 1/10 Duty Cycle, 0.1ms Pulse.
[1]
Absolute Maximum Ratings[1] DC Forward Current 25 25 30 30 30 30 30 30 30 30 30 30 30 mA Peak Forward Current[3] 100 100 100 100 100 100 100 100 100 100 100 100 100 mA
Reverse Current VR=5V 50 50 50 50 50 50 50 50 50 50 50 50 50 uA
Power Dissipation 120 120 160 160 160 120 130 130 130 150 220 240 240 mW
Max. 4.4 4.4 5 5 5 5.2 5.2 5.2 5.2 5.2 8 8 8 V
Per Dot Per Dot Per Dot Per Dot Per Dot Per Dot Per Dot Per Dot Per Dot Per Dot Per Dot Per Dot Per Dot \
3.6 3.6 4.2 4.2 4.4 3.8 4 4 4 4.2 7 7 7 V
SPEC NO: DS10121840 HTTP://WWW.LTKEY.COM
REV: A.4
CHECKED: Emily Zhou TEL: 0086-574-86322282
APPROVED: M.H. Lin
PAGE: 3/3
DATE: Jul/20/2011
http://www.Datasheet4U.com
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