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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM3533 датащи(PDF) 51 Page - Texas Instruments |
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LM3533 датащи(HTML) 51 Page - Texas Instruments |
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51 / 63 page  0.0 12.0 24.0 36.0 48.0 60.0 ILED (mA) 90.0 87.0 84.0 81.0 78.0 75.0 72.0 69.0 66.0 63.0 60.0 0 12 24 36 48 60 ILED (mA) 90.0 88.0 86.0 84.0 82.0 80.0 78.0 76.0 74.0 72.0 70.0 0.0 12.0 24.0 36.0 48.0 60.0 ILED (mA) 90.0 87.0 84.0 81.0 78.0 75.0 72.0 69.0 66.0 63.0 60.0 LM3533 www.ti.com SNOSC68C – APRIL 2012 – REVISED SEPTEMBER 2015 VIN = 3.6 V, LEDs are WLEDs part number SML-312WBCW(A), typical application circuit with L = TDK (VLF302512, 4.7 µH, 10 µH, 22 µH where specified), Schottky = On-Semi (NSR0240V2T1G), TA = 25°C, unless otherwise specified. Efficiency is given as VOUT × (IHVLED1 + IHVLED2)/(VIN × IIN); matching curves are given as (ΔILED_MAX/ILED_AVE). L = 10 µH VIN = 3.6 V ƒSW = 1 MHz L = 10 µH VIN = 3.6 V ƒSW = 500 kHz Top To Bottom: 2×4, 2×5, 2×6, 2×7, 2×8, 2×9, 2×10 (LEDs) Top To Bottom: 2×4, 2×5, 2×6, 2×7, 2×8, 2×9, 2×10 (LEDs) Figure 51. Efficiency vs ILED Figure 50. Efficiency vs ILED L = 4.7 µH VIN = 3.6 V ƒSW = 1 MHz Top To Bottom: 2×4, 2×5, 2×6, 2×7, 2×8, 2×9, 2×10 (LEDs) Figure 52. Efficiency vs ILED 9 Power Supply Recommendations The LM3532 is designed to operate from an input supply range of 2.7 V to 5.5 V. This input supply must be well- regulated and provide the peak current required by the LED configuration and inductor selected. Copyright © 2012–2015, Texas Instruments Incorporated Submit Documentation Feedback 51 Product Folder Links: LM3533 |
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