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744770933 Scheda tecnica(PDF) 7 Page - Diodes Incorporated |
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744770933 Scheda tecnica(HTML) 7 Page - Diodes Incorporated |
7 / 33 page ZXLD1370 ZXLD1370 Document number: DS32165 Rev. 2 - 2 7 of 33 www.diodes.com May 2010 © Diodes Incorporated A Product Line of Diodes Incorporated Typical Characteristics – Buck Mode – Rs = 300m Ω - L = 47µH - ILED = 750mA 0.715 0.720 0.725 0.730 0.735 0.740 6.5 11 15.5 20 24.5 29 33.5 38 42.5 47 51.5 56 60.5 Input Voltage (V) Figure 4: I vs. Input & Number of LED LED 2 LEDs 3 LEDs 5 LEDs 7 LEDs 9 LEDs 11 LEDs 13 LEDs 15 LEDs T = 25°C V = V A AUX IN 0 100 200 300 400 500 600 700 800 900 1000 Input Voltage (V) Figure 5: Frequency ZXLD1370 - Buck Mode - L47 H μ 2 LEDs 3 LEDs 5 LEDs 7 LEDs 9 LEDs 11 LEDs 13 LEDs 15 LEDs T = 25°C V = V A AU X IN 6.5 11 15.5 20 24.5 29 33.5 38 42.5 47 51.5 56 60.5 60% 65% 70% 75% 80% 85% 90% 95% 100% Input Voltage (V) Figure 6: Efficiency vs. Input Voltage & Number of LED 2 LEDs 3 LEDs 5 LEDs 7 LEDs 9 LEDs 11 LEDs 13 LEDs 15 LEDs T = 25°C V = V A AU X IN 6.5 11 15.5 20 24.5 29 33.5 38 42.5 47 51.5 56 60.5 |
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