Purdy AND471GST-LED - Manual (Page 3)

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
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AND471GST-LED
Intelligent Character Display
Block Diagram
Backlight Specifications
Item Symbol Condition Min. Typ. Max. Units
Supply Current ILED V = 3.5V 43.2 48 75 mA
Supply Voltage V — 3.4 3.5 3.6 —
Reverse Voltage VR — — — 5 V
Luminous Intensity IV ILED = 48 mA 16 20 (Note 1) — cd/m 2
LED Life Time (For Reference Only) — ILED≤ 48 mA, 25 ºC, 50-60% RH, (Note 2) — 50K — Hr
Color White
Note 1: 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 maximum.)
The luminous is measured through LCD panel.
Note 2: 50K hours is only an estimate for reference.
Power Supply