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LM3533TME-40 Folha de dados(PDF) 10 Page - Texas Instruments |
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LM3533TME-40 Folha de dados(HTML) 10 Page - Texas Instruments |
10 / 63 page ILED1 (1 mA/DIV, AC Coupled) ILED2 (1mA/DIV, AC Coupled) VIN (500 mV/ DIV) 3V 3.5V 100 2s/DIV IIN (500 mA/ DIV) ILED2 (20 mA/ DIV) ILED1 (20 mA/ DIV) 400 2s/DIV 0 0 0 ILED1 (10 mA/ DIV) ILED2 (10 mA/ DIV) 0 0 PWM Input (1V/DIV) 2 ms/DIV LM3533 SNOSC68C – APRIL 2012 – REVISED SEPTEMBER 2015 www.ti.com Typical Characteristics (continued) 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). D = 30% To 90% ƒPWM = 10 kHz VIN = 3.6 V 20 mA/String 2×8 LEDs ILED_FULL SCALE = 20.2 mA Figure 20. Response To Step Change in PWM Input Duty Figure 19. Start-Up Response Cycle 2×8 LEDs 20.2 mA/String Figure 21. Line Step Response (see Typical Application Circuit ) 10 Submit Documentation Feedback Copyright © 2012–2015, Texas Instruments Incorporated Product Folder Links: LM3533 |
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