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WALL |
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6 page
TECHNICAL DATASHEET WALL INDUSTRIES, INC. Rev A SPW48S24-100 (888) 597-WALL www.wallindustries.com Page 6 of 13 Note: Output trim +/- 10% max. Graph 1: SPW48S24-100 Efficiency vs. Output Current 70% 75% 80% 85% 90% 0.833 1.666 2.499 3.332 4.165 Io (A) Vin=36V Vin=48V Vin=60V Vin=75V Graph 2: SPW48S24-100 Max Ambient vs. Io 0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 -40 -30 -20 -10 0 1020 3040 5060 70 Ambient (°C) 400 LFM 300 LFM 200 LFM 100 LFM 0 LFM Note: When trimming the output high, Io vs. Ambient is derated by power. ie: from Graph 2, find the maximum current at the desired ambient and airflow, and multiply this current by the nominal voltage (24V) to get the maximum power. Divide this power by the desired trimmed high voltage to get the maximum current at that ambient. When trimming low, the maximum current stays the same as shown in graph 2. |
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