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LM3448 데이터시트(PDF) 6 Page - Texas Instruments |
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LM3448 데이터시트(HTML) 6 Page - Texas Instruments |
6 / 43 page -50 -25 0 25 50 75 100 125 150 150 160 170 180 190 200 TEMPERATURE (°C) -50 -25 0 25 50 75 100 125 150 200 220 240 260 280 300 TEMPERATURE (°C) 80 90 100 110 120 130 140 140 160 180 200 220 240 INPUT VOLTAGE (VRMS) 8 LEDs 10 LEDs 12 LEDs 80 90 100 110 120 130 140 60 65 70 75 80 85 90 INPUT VOLTAGE (VRMS) 8 LEDs 12 LEDs 10 LEDs 80 90 100 110 120 130 140 74 76 78 80 82 84 INPUT VOLTAGE (VRMS) 7 LEDs 9 LEDs 80 90 100 110 120 130 140 0.93 0.94 0.95 0.96 0.97 0.98 INPUT VOLTAGE (VRMS) 9 LEDs 7 LEDs LM3448 SNOSB51B – SEPTEMBER 2011 – REVISED NOVEMBER 2011 www.ti.com TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C and VCC = 12V unless otherwise specified. Efficiency vs. Input Line Voltage(1) Power Factor vs. Input Line Voltage(1) Figure 3. Figure 4. LED Current vs. Input Line Voltage(2) fSW vs. Input Line Voltage (2) Figure 5. Figure 6. Min On-Time (tON) vs. Temperature BLDR Resistor vs. Temperature Figure 7. Figure 8. (1) Data used for this plot taken from Design #3. (2) Data used for this plot taken from Design #2. 6 Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated Product Folder Links: LM3448 |
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