CAT4106 Datasheet, PDF (5/15 Pages) ON Semiconductor – 6 W Quad Channel DC/DC LED Driver with Diagnostics

CAT4106
TYPICAL ELECTRICAL OPERATING CHARACTERISTICS
(VIN = 5 V, VL = 12 V, T_AMB = 25°C, typical application circuit unless otherwise specified.)
0.9
30
0.8
25
0.7
20
0.6
15
0.5
R2 = R3 = 24 kW
0.4
3.0
3.5
4.0
4.5
5.0
5.5
VIN SUPPLY (V)
Figure 9. LED Channel Voltage vs. VIN Supply
10
5
3.0
3.5
4.0
4.5
5.0
5.5
VIN SUPPLY (V)
Figure 10. FAULT Drive R_DSON vs. VIN Supply
2.0
1.2
1.5
1.1
1.0
1.0
0.5
0.9
0
3.0
3.5
4.0
4.5
5.0
5.5
VIN SUPPLY (V)
Figure 11. Switch Resistance vs. VIN Supply
1200
1100
1000
900
800
700
600
3.0
3.5
4.0
4.5
5.0
5.5
VIN SUPPLY (V)
Figure 13. Switching Current Limit vs. VIN
Supply
0.8
3.0
3.5
4.0
4.5
5.0
5.5
VIN SUPPLY (V)
Figure 12. Switching Frequency vs. VIN
Supply
5
4
3
2
1
0
3.0
3.5
4.0
4.5
5.0
5.5
VIN SUPPLY (V)
Figure 14. Powerdown Delay vs. VIN Supply
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