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LM3532 датащи(PDF) 40 Page - Texas Instruments |
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LM3532 датащи(HTML) 40 Page - Texas Instruments |
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40 / 52 page ![]() 2.3 2.9 3.6 4.2 4.9 5.5 VIN (V) 94 92 90 88 86 84 82 80 78 76 74 72 3 LEDs 5 LEDs 7 LEDs 9 LEDs 2.5 3.0 3.5 4.0 4.5 5.0 5.5 VIN (V) 94 92 90 88 86 84 82 80 78 76 74 72 70 4 LEDs 6 LEDs 8 LEDs 10 LEDs 2.5 3.0 3.5 4.0 4.5 5.0 5.5 94 92 90 88 86 84 82 80 78 76 74 72 VIN (V) 9 LEDs 7 LEDs 5 LEDs 3 LEDs 2.5 3.0 3.5 4.0 4.5 5.0 5.5 94 92 90 88 86 84 82 80 78 76 74 72 70 68 66 VIN (V) 10 LEDs 8 LEDs 6 LEDs 4 LEDs 2.5 3.0 3.5 4.0 4.5 5.0 5.5 92 90 88 86 84 82 80 78 76 74 VIN (V) 9 LEDs 7 LEDs 5 LEDs 3 LEDs 2.5 3.0 3.5 4.0 4.5 5.0 5.5 VIN (V) 92 90 88 86 84 82 80 78 76 10 LEDs 8 LEDs 6 LEDs 4 LEDs LM3532 SNVS653E – JULY 2011 – REVISED AUGUST 2015 www.ti.com VIN = 3.6 V, LEDs (VF = 3.2 V at 20 mA, TA = 25°C), COUT = 1 µF, CIN = 2.2 µF, L = Coilcraft LPS4018-103ML (10 µH ) or LPS4018-223M (22 µH), TA = 25°C unless otherwise specified. ILED = 20.2 mA L = 22 µH ILED = 20.2 mA L = 22 µH Figure 34. Efficiency vs VIN Single String Figure 35. Efficiency vs VIN Single String ILED = 20.2 mA L = 22 µH ILED = 20.2 mA L = 22 µH Figure 36. Efficiency vs VIN Dual String Figure 37. Efficiency vs VIN Dual String, Iled = 20.2ma Per String L = Lps4018-223ml (22µh) ILED = 20.2 mA L = 22 µH ILED = 20.2 mA L = 22 µH Figure 38. Efficiency vs VIN Triple String Figure 39. Efficiency vs VIN Triple String 40 Submit Documentation Feedback Copyright © 2011–2015, Texas Instruments Incorporated Product Folder Links: LM3532 |
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