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LM3533 Fiches technique(PDF) 9 Page - Texas Instruments |
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LM3533 Fiches technique(HTML) 9 Page - Texas Instruments |
9 / 63 page 2.5 3.0 3.5 4.0 4.5 5.0 5.5 VIN (V) 300 275 250 225 200 175 150 125 100 85°C 25°C -40°C 2.5 2.8 3.1 3.4 3.7 4.0 4.3 4.6 4.9 5.2 5.5 VIN (V) 400.0 370.0 340.0 310.0 280.0 250.0 220.0 190.0 160.0 130.0 100.0 -40C 25C 85C 2.5 3.0 3.5 4.0 4.5 5.0 5.5 VIN (V) 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 85°C 25°C -40°C 2.5 2.8 3.1 3.4 3.7 4.0 4.3 VIN (V) 280 244 208 172 136 100 -40C 85C 25C 0 2000 4000 6000 8000 10000 PWM Frequency (Hz) 100 10 1 0.1 0.01 2.5 3.0 3.5 4.0 4.5 5.0 5.5 VIN (V) 0.45 0.43 0.40 0.38 0.35 0.33 0.30 0.28 0.25 0.23 0.20 0.18 0.15 25°C 85°C -40°C LM3533 www.ti.com SNOSC68C – APRIL 2012 – REVISED SEPTEMBER 2015 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). 50% Duty Cycle ILED Full_scale = 20.2 mA Figure 13. Led Current Ripple vs FPWM Figure 14. NMOS On Resistance vs VIN 1x Gain 2× Gain Figure 15. IN to CPOUT Resistance vs VIN Figure 16. Charge Pump Short Circuit Current Limit vs VIN 1× Gain Figure 17. Charge Pump Short Circuit Current Limit vs VIN Figure 18. Idle State Supply Current (Pattern Generator Enabled On LVLED1, LVLED2, LVLED3) Copyright © 2012–2015, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: LM3533 |
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