Datasheet ISL97801 (Intersil) - 7
| Hersteller | Intersil |
| Beschreibung | High Power LED Driver |
| Seiten / Seite | 20 / 7 — Typical Performance Curves. (Continued). 8 LEDs. VIN = 16V. PWM = 100Hz. … |
| Dateiformat / Größe | PDF / 1.3 Mb |
| Dokumentensprache | Englisch |
Typical Performance Curves. (Continued). 8 LEDs. VIN = 16V. PWM = 100Hz. VIN = 16V PWM = 10kHz. FIGURE 19. 50% PWM DIMMING AT 100Hz
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ISL97801
Typical Performance Curves (Continued) 8 LEDs VIN = 16V 8 LEDs PWM = 100Hz VIN = 16V PWM = 10kHz FIGURE 19. 50% PWM DIMMING AT 100Hz FIGURE 20. 50% PWM DIMMING AT 10kHz 8 LEDs VIN = 12V PWM = 1kHz 8 LEDs VIN = 16V DUTY CYCLE = 50% PWM = 1kHz FIGURE 21. 10% PWM DIMMING AT 1kHz FIGURE 22. 50% PWM DIMMING AT 1kHz ZOOM-IN TRANSIENT RESPONSE WHEN LOAD DYNAMICALLY TRANSIENT RESPONSE WHEN LOAD DYNAMICALLY CHANGES FROM 7LEDs TO 8LEDs CHANGES FROM 8 LEDs TO 7 LEDs V 8 LEDs V V IN = 12V 8 LEDs V O IN = 12V O I I LED = 350mA LED = 350mA 7 LEDs V 7 LEDs V O O FIGURE 23. TRANSIENT RESPONSE OPERATES FROM FIGURE 24. TRANSIENT RESPONSE OPERATES FROM 8 TO 7 LEDs 7 TO 8 LEDs
FN6428 Rev 1.00 Page 7 of 20 April 2, 2007
Typical Performance Curves (Continued) 8 LEDs VIN = 16V 8 LEDs PWM = 100Hz VIN = 16V PWM = 10kHz FIGURE 19. 50% PWM DIMMING AT 100Hz FIGURE 20. 50% PWM DIMMING AT 10kHz 8 LEDs VIN = 12V PWM = 1kHz 8 LEDs VIN = 16V DUTY CYCLE = 50% PWM = 1kHz FIGURE 21. 10% PWM DIMMING AT 1kHz FIGURE 22. 50% PWM DIMMING AT 1kHz ZOOM-IN TRANSIENT RESPONSE WHEN LOAD DYNAMICALLY TRANSIENT RESPONSE WHEN LOAD DYNAMICALLY CHANGES FROM 7LEDs TO 8LEDs CHANGES FROM 8 LEDs TO 7 LEDs V 8 LEDs V V IN = 12V 8 LEDs V O IN = 12V O I I LED = 350mA LED = 350mA 7 LEDs V 7 LEDs V O O FIGURE 23. TRANSIENT RESPONSE OPERATES FROM FIGURE 24. TRANSIENT RESPONSE OPERATES FROM 8 TO 7 LEDs 7 TO 8 LEDs
FN6428 Rev 1.00 Page 7 of 20 April 2, 2007