Moteur de recherche de fiches techniques de composants électroniques |
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ADD5203ACPZ-RL Fiches technique(PDF) 9 Page - Analog Devices |
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ADD5203ACPZ-RL Fiches technique(HTML) 9 Page - Analog Devices |
9 / 24 page ADD5203 Rev. 0 | Page 9 of 24 TYPICAL PERFORMANCE CHARACTERISTICS 94 92 90 88 86 84 82 80 78 510 15 20 INPUT VOLTAGE (V) 25 8 PARALLEL × 8 SERIES 10 PARALLEL × 8 SERIES ILED = 20mA BRIGHTNESS = 100% fSW = 600kHz Figure 4. Boost Converter Efficiency vs. Input Voltage 32 30 28 26 24 22 20 18 16 14 10 12 8 85 105 125 145 165 185 205 225 245 265 RSET (kΩ) Figure 5. LED Current vs. RSET 20 15 10 5 0 0 10 20 30 40 50 60 70 80 90 100 PWM DUTY CYCLE (%) Figure 6. LED Current vs. PWM Input Duty Cycle 25 0 5 10 15 20 02 225 200 175 150 125 100 75 50 25 SMBus BRIGHTNESS SETTING 50 Figure 7. LED Current vs. SMBus Brightness Setting 25 20 15 10 5 0 5 101520 INPUT VOLTAGE (V) Figure 8. LED Current vs. Input Voltage (ILED = 20 mA) VOUT 20V/DIV VSW 20V/DIV SHDN 3V/DIV IL 1A/DIV VIN = 15V BRIGHTNESS = 100% LEDs = 12 SERIES × 8 PARALLEL Figure 9. Start-Up Waveforms (Brightness = 100%) |
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Description similaire - ADD5203ACPZ-RL |
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