Purdy AND1781FST-LED - Manual (Page 4)

Displays
Purdy Electronics Corporation • 755 North Pastoria Avenue • Sunnyvale, CA 94085-2918
Tel: 408-523-8200 • Fax: 408-733-1287 • [email protected] • www.purdyelectronics.com
11/07/12 4
AND1781FST-LED
Intelligent Character Display
Power Supply
Backlight Specifications
Item Symbol Condition Min. Typ. Max. Degree
Supply Current ILED V = 3.5V — 80 100 mA
Supply Voltage V 3.4 3.5 3.6 V
Reverse Voltage VR — — 5 V
Luminance IV ILED = 80 mA 520 650 — cd/m 2
LED Life Time ILED = 80 mA 25ºC, 50-60
%RH, Note1
— 50K — Hr
Color White
Note: The LED of B/L is drive by current only, drive voltage is for reference only. Drive voltage can make driving current under safety area (current between
minimum and maimum).
Note 1: 50K hours is only an estimate for reference.