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ZXLD1374 датащи(PDF) 9 Page - Diodes Incorporated |
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ZXLD1374 датащи(HTML) 9 Page - Diodes Incorporated |
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9 / 37 page ![]() ZXLD1374 60V HIGH ACCURACY 1.5A BUCK/BOOST/BUCK-BOOST LED DRIVER CONVERTER WITH AEC-Q100 ZXLD1374 Document number: DS35032 Rev. 2 - 2 9 of 37 www.diodes.com March 2011 © Diodes Incorporated A Product Line of Diodes Incorporated Typical Characteristics – Buck Mode – RS = 146mΩ – L = 33µH - ILED = 1.5A 1.35 1.40 1.45 1.50 1.55 1.60 1.65 6 12 18 24 30 36 42 48 54 60 Input Voltage (V) Figure 11. Load Current vs. Input Voltage and Number of LED T = 25°C V = V L = 33µH R = 146m A AUX IN S Ω 1 LED 3 LED s 5 LED s 7 LED s 9 LED s 13 LEDs 11 LED s 15 LEDs 0 200 400 600 800 1000 1200 6 1218 2430 36 42 48 54 60 Input Voltage (V) Figure 12. Frequency vs. Input Voltage and Number of LED T = 25°C V = V L = 33µH R = 146m A AUX IN S Ω 13 LEDs 15 LEDs 11 LED s 9 LED s 7 LED s 5 LED s 3 LED s 1 LED 60% 65% 70% 75% 80% 85% 90% 95% 100% 6 12 18 24 30 36 42 48 54 60 Input Voltage (V) Figure 13. Efficiency vs. Input Voltage and Number of LED T = 25°C V = V L = 33µH R = 146m A AUX IN S Ω 13 LEDs 15 LEDs 11 LED s 9 LEDs 7 LEDs 5 LEDs 3 LEDs 1 LED |
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