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LM3503ITLX-44NOPB Folha de dados(PDF) 8 Page - Texas Instruments |
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LM3503ITLX-44NOPB Folha de dados(HTML) 8 Page - Texas Instruments |
8 / 28 page 0 4 8 12 16 20 20 30 40 50 60 70 80 90 LED CURRENT (mA) VIN = 2.7V 2 6 10 14 18 VIN = 5.5V VIN = 3.3V VIN = 4.2V VIN = 3V 4 8 12 16 20 LED CURRENT (mA) 10 20 30 40 50 60 70 80 90 100 0 VIN = 4.2V 6 10 14 18 2 VIN = 5.5V VIN = 3.3V VIN = 3V VIN = 2.7V 0 4 8 12 16 20 20 30 40 50 60 70 80 90 LED CURRENT (mA) VIN = 2.7V 2 6 10 14 18 VIN = 5.5V VIN = 3.3V VIN = 4.2V VIN = 3V 2 4 6 8 10 12 14 16 18 20 LED CURRENT (mA) 10 20 30 40 50 60 70 80 90 0 VIN = 3V VIN = 5.5V VIN = 2.7V VIN = 4.2V VIN = 3.3V -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 TEMPERATURE ( oC) 1.75 1.95 -40 1.80 1.85 1.90 VIN = 2.5V 3.0 3.5 4.0 4.5 5.0 5.5 INPUT VOLTAGE (V) 1.50 2.00 2.50 3.00 3.50 4.00 2.5 25 oC 125 oC -40 oC LM3503 SNVS329D – JULY 2005 – REVISED AUGUST 2006 www.ti.com Typical Performance Characteristics (continued) (See Typical Application Circuit :e L=DO1608C-223 and D=B150-13. Efficiency: η = POUT/ PIN = [(VOUT – VFb ) * IOUT] / [VIN * IIN]. TA = +25°C, unless otherwise stated.) IQ (Switching) IQ (Switching) vs vs VIN Temperature Figure 7. Figure 8. 10 LED Efficiency 8 LED Efficiency vs vs LED Current LED Current Figure 9. Figure 10. 6 LED Efficiency 4 LED Efficiency vs vs LED Current LED Current Figure 11. Figure 12. 8 Submit Documentation Feedback Copyright © 2005–2006, Texas Instruments Incorporated Product Folder Links: LM3503 |
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