LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only LED DISPLAY LPTL12157AFBK1 DATA SHEET Rev Description By - Original Spec Phanomkorn J. SPEC. NO.: DATE : DS30-2007-0115 12/JUNE/’07 REV. NO. : PART NO.: LPTL12157AFBK1 BNS-OD-C131/A4 - PAGE: 0 of 5 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only FEATURES ＊1.2 inch ( 30.42 mm) MATRIX HEIGHT. ＊LOW POWER REQUIREMENT. ＊HIGH BRIGHTNESS & HIGH CONTRAST ＊SINGLE PLANE, WIDE VIEWING ANGLE. ＊SOLID STATE RELIABILITY. ＊ 5×7 ARRAY WITH X-Y SELECT. ＊COMPATIBLE WITH USASCII AND EBCDIC CODES. ＊STACKABLE HORIZONTALLY. ＊CATEGORIZED FOR LUMINOUS INTENSITY. ＊LEAD-FREE PACKAGE(ACCORDING TO ROHS) DESCRIPTION The LPTL12157AFBK1 is a 1.2 inch (30.42 mm) matrix height 5×7 dot matrix display. This device utilizes AlInGaP Red LED chips, which are made from AlInGaP on a GaAsP substrate, and has a black face and white dot. DEVICE PART NO. DESCRIPTION AlInGaP Red CATHODE COLUMN ANODE ROW LPTL12157AFBK1 PART NO.: LPTL12157AFBK1 BNS-OD-C131/A4 PAGE: 1 of 5 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only PACKAGE DIMENSIONS NOTES: 1. All dimensions are in millimeters. Tolerances are ± 0.25 mm unless otherwise note. 2. Pin tip’s shift tolerance is ± 0.4 mm. INTERNAL CIRCUIT DIAGRAM PART NO.: LPTL12157AFBK1 BNS-OD-C131/A4 PAGE: 2 of 5 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only PIN CONNECTION No. 1 ANODE ROW 5 2 ANODE ROW 7 3 CATHODE COLUMN 2 4 CATHODE COLUMN 3 5 6 ANODE ROW 4 CATHODE COLUMN 5 7 ANODE ROW 6 8 ANODE ROW 3 9 ANODE ROW 1 10 CATHODE COLUMN 4 11 CATHODE COLUMN 3 12 13 14 PART NO.: LPTL12157AFBK1 BNS-OD-C131/A4 CONNECTION ANODE ROW 4 CATHODE COLUMN 1 ANODE ROW 2 PAGE: 3 of 5 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only ABSOLUTE MAXIMUM RATING AT Ta=25oC PARAMETER MAXIMUM RATING UNIT Average Power Dissipation Per Dot 70 mW Peak Forward Current Per Dot 90 mA Average Forward Current Per Dot Derating Linear From 25℃ Per Dot 25 mA mA/℃ 0.33 Reverse Voltage Per Dot Operating Temperature Range 5 -35℃ to +105℃ Storage Temperature Range -35℃ to +105℃ V Soldering Conditions: 1/16 inch below seating plane for 3 seconds at 2600C or of temperature unit (during assembly) not over max. temperature rating above. ELECTRICAL / OPTICAL CHARACTERISTICS AT Ta=25oC PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION Average Luminous Intensity IV Peak Emission Wavelength 3300 ucd Ip=32mA 1/16Duty λp 632 nm IF=20mA Spectral Line Half-Width ∆λ 20 nm IF=20mA Dominant Wavelength λd 624 nm IF=20mA Forward Voltage any Dot VF 2.05 2.6 V IF=20mA Reverse Current any Dot IR 100 µA VR=5V IV-m 2:1 Luminous Intensity Matching Ratio (Similar Light Area) 630 Ip=32mA 1/16Duty Note: Luminous intensity is measured with a light sensor and filter combinaton that approximates the CIE (Commision Internationale De L’Eclairage) eye-response curve. PART NO.: LPTL12157AFBK1 BNS-OD-C131/A4 PAGE: 4 of 5 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only TYPICAL ELECTRICAL / OPTICAL CHARACTERISTIC CURVES (25oC Ambient Temperature Unless Otherwise Noted) PART NO.: LPTL12157AFBK1 BNS-OD-C131/A4 PAGE: 5 of 5