Datasheet ISL97801 (Intersil) - 6
| Manufacturer | Intersil |
| Description | High Power LED Driver |
| Pages / Page | 20 / 6 — Typical Performance Curves. (Continued). 5 LEDs. 3 LEDs. 40 ILEDpeak = … |
| File Format / Size | PDF / 1.3 Mb |
| Document Language | English |
Typical Performance Curves. (Continued). 5 LEDs. 3 LEDs. 40 ILEDpeak = 380mA. ILEDpeak = 380mA. PWM @ 100Hz. DUTY CYCLE = 10%
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Text Version of Document
ISL97801
Typical Performance Curves (Continued) 41 42 5 LEDs 3 LEDs 41 40 ILEDpeak = 380mA ILEDpeak = 380mA PWM @ 100Hz DUTY CYCLE = 10% 40 DUTY CYCLE = 10% 39 10% @ 100Hz 39 38 38 (mA) (mA) 37 D 37 I LE 36 I LED 36 10% @ 10kHz 35 34 PWM @ 10kHz 35 33 34 32 6 8 10 12 14 16 18 4 5 6 7 8 9 10 VIN (V) VIN (V) FIGURE 13. 5 LEDs LINE REGULATION OF PWM DUTY FIGURE 14. 3 LEDs LINE REGULATION OF PWM DUTY CYCLE OF 10% CYCLE OF 10% 400 RSET = 0.5 0.1 EN/PWM = 0 350 DUTY CYCLE = 100% VLEVEL = 1V T 300 A = +25°C ) 250 5 LED 0.01 A ) m 8 LED A ( 200 (m I LED 150 I Q 0.001 100 50 3 LED 0 0.0001 0 0.2 0.4 0.6 0.8 1.0 6 8 10 12 14 16 18 VLEVEL (V) VIN (V) FIGURE 15. LED CURRENT vs VLEVEL BIAS FIGURE 16. QUIESCENT CURRENT (NON-SWITCHING) 8 LEDs 8 LEDs ILED = 350mA ILED = 350mA FIGURE 17. START-UP WAVEFORMS FIGURE 18. START-UP WAVEFORMS ZOOM-IN
FN6428 Rev 1.00 Page 6 of 20 April 2, 2007
Typical Performance Curves (Continued) 41 42 5 LEDs 3 LEDs 41 40 ILEDpeak = 380mA ILEDpeak = 380mA PWM @ 100Hz DUTY CYCLE = 10% 40 DUTY CYCLE = 10% 39 10% @ 100Hz 39 38 38 (mA) (mA) 37 D 37 I LE 36 I LED 36 10% @ 10kHz 35 34 PWM @ 10kHz 35 33 34 32 6 8 10 12 14 16 18 4 5 6 7 8 9 10 VIN (V) VIN (V) FIGURE 13. 5 LEDs LINE REGULATION OF PWM DUTY FIGURE 14. 3 LEDs LINE REGULATION OF PWM DUTY CYCLE OF 10% CYCLE OF 10% 400 RSET = 0.5 0.1 EN/PWM = 0 350 DUTY CYCLE = 100% VLEVEL = 1V T 300 A = +25°C ) 250 5 LED 0.01 A ) m 8 LED A ( 200 (m I LED 150 I Q 0.001 100 50 3 LED 0 0.0001 0 0.2 0.4 0.6 0.8 1.0 6 8 10 12 14 16 18 VLEVEL (V) VIN (V) FIGURE 15. LED CURRENT vs VLEVEL BIAS FIGURE 16. QUIESCENT CURRENT (NON-SWITCHING) 8 LEDs 8 LEDs ILED = 350mA ILED = 350mA FIGURE 17. START-UP WAVEFORMS FIGURE 18. START-UP WAVEFORMS ZOOM-IN
FN6428 Rev 1.00 Page 6 of 20 April 2, 2007
