LTP-1557KF

LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only LED DISPLAY LTP-1557KF DATA SHEET Rev A B ORIGINAL REVISE MIN IV ON PAGE 4/5 CHANGE THE TEST CONDITION OF AVERAGE LUMINOUS INTENSITY ON PAGE 4/5 FROM 1mA TO 20 mA Description By PHANOMKORN APRIL 20,2006 PHANOMKORN NOVEMBER 28,2007 PHANOMKORN JULY 07,2008 SPEC. NO.: DATE : DS30-2006-047 JULY 07,2008 B 0 OF 5 REV. NO. : PAGE NO. : PART NO.: LTP-1557KF 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. ＊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 LTP-1557KF is a 1.2 inch (30.42 mm) matrix height 5×7 dot matrix displays. This device utilizes AlInGaP yellow orange LED chips which are made from AlInGaP on a non-transparent GaAs substrate, and has a gray face and white dot color. DEVICE PART NO. AlInGaP Yellow Orange LTP-1557KF DESCRIPTION CATHODE COLUMN ANODE ROW PART NO.: LTP-1557KF 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.: LTP-1557KF BNS-OD-C131/A4 PAGE: 2 of 5 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only PIN CONNECTION No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CONNECTION ANODE ROW ANODE ROW 5 7 CATHODE COLUMN 2 CATHODE COLUMN 3 ANODE ROW 4 CATHODE COLUMN 5 ANODE ROW ANODE ROW ANODE ROW 6 3 1 CATHODE COLUMN 4 CATHODE COLUMN 3 ANODE ROW 4 CATHODE COLUMN 1 ANODE ROW 2 PART NO.: LTP-1557KF BNS-OD-C131/A4 PAGE: 3 of 5 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only ABSOLUTE MAXIMUM RATING AT Ta=25oC PARAMETER Power Dissipation Per Segment Peak Forward Current Per Segment (Frequency 1Khz, 10% duty cycle) Continuous Forward Current Per Segment Forward Current Derating from 250C Reverse Voltage Per Segment Operating Temperature Range Storage Temperature Range MAXIMUM RATING 70 60 25 0.28 5 -35℃ to +105℃ -35℃ to +105℃ UNIT mW mA mA mA/℃ 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 Average Luminous Intensity Peak Emission Wavelength Spectral Line Half-Width Dominant Wavelength Forward Voltage Per dot Reverse Current Per dot Luminous Intensity Matching Ratio (Similar Light Area) SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION IV λp ∆λ λd VF IR IV-m 55170 99200 611 17 605 2.05 2.6 100 2:1 µcd nm nm nm V µA IF=20mA IF=20mA IF=20mA IF=20mA IF=20mA VR=5V IF=20mA Note: Luminous intensity is measured with a light sensor and filter combination that approximates the CIE (Commision Internationale De L’Eclairage) eye-response curve. PART NO.: LTP-1557KF 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.: LTP-1557KF BNS-OD-C131/A4 PAGE: 5 of 5