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SP4428 bảng dữ liệu(PDF) 5 Page - Sipex Corporation |
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SP4428 bảng dữ liệu(HTML) 5 Page - Sipex Corporation |
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5 / 11 page ![]() SP4428DS/16 SP4428 Electroluminescent Lamp Driver © Copyright 2000 Sipex Corporation 5 Electroluminescent backlighting is ideal when used with LCD displays, keypads, or other backlit readouts. Its main use is to illuminate displays in dim to dark conditions for momentary periods of time. EL lamps typically consume less than LEDs or bulbs making them ideal for battery powered products. Also, EL lamps are able to evenly light an area without creating "hot spots" in the display. The amount of light emitted is a function of the voltage applied to the lamp, the frequency at which it is applied, the lamp material used and its size. There are many variables which can be optimized for specific applications. Sipex supplies characterization charts to aid the designer in selecting the optimum circuit configuration (see page 6 and 7). |
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