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LM3550 Datasheet(PDF) 8 Page - Texas Instruments |
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LM3550 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 37 page BRC (#) 220 200 180 160 140 120 100 80 60 40 0 1 2 3 4 5 6 7 TA = +25°C VIN = 3.6V, VLED = 3.3V TA = +85°C TA = -30°C VIN (V) 66 64 62 60 58 56 54 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 TA = -30°C TA = +85°C TA = +25°C Torch Code = 0, VLED = 3.3V VIN (V) 100 90 80 70 60 50 40 30 20 10 0 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 VLED = 3.0V VLED = 3.3V VLED = 3.6V ILED = 100 mA VIN (V) 100 90 80 70 60 50 40 30 20 10 0 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 VLED = 3.0V VLED = 3.3V VLED = 3.6V ILED = 200 mA VIN (V) 0.50 0.45 0.40 0.35 0.30 0.25 0.20 2.7 3.3 3.8 4.4 4.9 5.5 TA = +85°C IOUT = 200 mA, 5.0V Fixed Voltage Mode TA = -30°C TA = +25°C VIN (V) 0.50 0.45 0.40 0.35 0.30 0.25 0.20 2.7 3.3 3.8 4.4 4.9 5.5 TA = +85°C IOUT = 200 mA, 4.5V Fixed Voltage Mode TA = -30°C and +25°C LM3550 SNVS569B – MAY 2009 – REVISED MAY 2013 www.ti.com Typical Performance Characteristics (continued) Unless otherwise specified: TA = 25°C; VIN = 3.6V; CIN = 4. 7 µF, COUT = 2.2 µF, C1 = C2 = 1 µF. Super-Capacitor = 0.5F TDK EDLC272020-501-2F-50, Input Current Input Current vs. vs. Input Voltage Input Voltage 5.0V Mode 4.5V Mode Figure 15. Figure 16. LED Efficiency LED Efficiency vs. vs. Input Voltage Input Voltage Torch Mode, 100 mA Torch Mode, 200 mA Figure 17. Figure 18. Torch Current Torch Current vs. vs. Input Voltage Brightness Code Code = 0 Figure 19. Figure 20. 8 Submit Documentation Feedback Copyright © 2009–2013, Texas Instruments Incorporated Product Folder Links: LM3550 |
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