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LM3519 Arkusz danych(PDF) 6 Page - Texas Instruments |
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LM3519 Arkusz danych(HTML) 6 Page - Texas Instruments |
6 / 20 page 5 15 25 35 45 55 65 75 85 95 DUTY CYCLE (%) 2 5 8 11 14 17 20 23 20 kHz 50 kHz 30 kHz EN = 20 kHz, 30 kHz, and 50 kHz 5 15 25 35 45 55 65 75 85 95 DUTY CYCLE (%) 1 4 7 10 13 16 19 22 EN = 100 Hz and 500 Hz 5 15 25 35 45 55 65 75 85 95 DUTY CYCLE (%) 1 4 7 10 13 16 19 22 EN =100 Hz and 500 Hz 19.5 20.0 20.5 21.0 21.5 22.0 2.7 3.0 3.3 3.6 3.9 4.2 4.5 VIN (V) 25°C 85°C -40°C 2.5 3.0 3.5 4.0 4.5 5.0 5.5 VIN (V) 1 PH 3.3 PH 1.5 PH 2.2 PH 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 4 LEDs 1.5 PH 2.5 3.0 3.5 4.0 4.5 5.0 5.5 VIN (V) 3.3 PH 16.0 18.0 20.0 22.0 24.0 26.0 28.0 32.0 2.2 PH 1 PH 30.0 3 LEDs LM3519 SNVS394A – AUGUST 2005 – REVISED SEPTEMBER 2005 www.ti.com Typical Performance Characteristics (continued) (See Figure 1: VIN = 3.6V, CIN = 4.7µF and COUT = 1µF, L = 2.2µH and 4 LEDs. TA = +25°C, unless otherwise stated.) IOUT IOUT vs vs VIN VIN IOUT IOUT vs vs PWM Duty Cycle VIN (VIN = 3.6V, L = 2.2µH) IOUT IOUT vs vs PWM Duty Cycle PWM Duty Cycle (VIN= 3.6V, L = 2.2µH) (VIN = 3.6V, L = 1µH) 6 Submit Documentation Feedback Copyright © 2005, Texas Instruments Incorporated Product Folder Links: LM3519 |
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