CAT4106_14 Datasheet, PDF (6/15 Pages) ON Semiconductor – 6 W Quad Channel DC/DC LED Driver

CAT4106
TYPICAL ELECTRICAL OPERATING CHARACTERISTICS
(VIN = 5 V, VL = 12 V, T_AMB = 25°C, typical application circuit unless otherwise specified.)
1.00
100
0.95
VHI
0.90
0.85
VLO
0.80
0.75
0.70
3.0
3.5
4.0
4.5
5.0
5.5
VIN SUPPLY (V)
Figure 15. EN/PWM Threshold vs. VIN Supply
10
100 Hz
1 kHz
1
1
10
100
DUTY CYCLE (%)
Figure 16. PWM Duty Cycle vs. LED Current
Figure 17. PWM Dimming 100 Hz
Figure 19. Power−Up 4 x 10 LEDs, 50 mA per
Channel
Figure 18. PWM Dimming 1 kHz
200
VOUT = 20 V
150
25 V
100
30 V
50
0
2
4
6
8
10 12 14 16
VL (V)
Figure 20. Maximum LED Current vs. VL
Supply
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