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LM2758TL/NOPB датащи(PDF) 13 Page - Texas Instruments |
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LM2758TL/NOPB датащи(HTML) 13 Page - Texas Instruments |
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13 / 22 page ![]() VOUT ILED IIN 2V/DIV 100 mA/DIV 20 mA/DIV 10 µS/DIV VOUT EN1 ILED IIN 2V/DIV 2V/DIV 200 mA/DIV 200 mA/DIV 200 ms/DIV 2V/DIV 2V/DIV 100 mA/DIV 100 mA/DIV VOUT EN2 IIN ILED 100 µs/DIV VOUT EN1 ILED IIN 2V/DIV 2V/DIV 100 mA/DIV 100 mA/DIV 1 ms/DIV GAIN = 1.5x 2V/DIV 2V/DIV 200 mA/DIV 200 mA/DIV VOUT EN1, EN2 IIN ILED 400 µs/DIV GAIN = 1.5x VIN (V) 110 90 70 50 30 10 2.7 3.2 3.7 4.2 4.7 5.2 700 mA 100 mA 500 mA 13 LM2758 www.ti.com SNVS551E – APRIL 2008 – REVISED MAY 2016 Product Folder Links: LM2758 Submit Documentation Feedback Copyright © 2008–2016, Texas Instruments Incorporated 8.2.3 Application Curves Figure 9. Efficiency vs VIN VIN = 3.6 V ILED = 500 mA Figure 10. Shutdown to Flash Mode VIN = 3.6 V ILED = 108 mA Gain = 1× EN1 = 0 V Figure 11. Shutdown to Torch Mode VIN = 3.6 V ILED (torch) = 108 mA EN2 = 0 V Figure 12. Shutdown to Indicator Mode EN1 = VIN = 3.6 V ILED (torch) = 108 mA Gain = 1× EN2 = 0 V Figure 13. Indicator Mode EN2 = VIN = 3.6 V ILED (flash) = 500 mA Gain = 1.5× Figure 14. Torch to Flash Mode Transition |
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