CAT4106_14 Datasheet, PDF (4/15 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.)
8
1.30
6
1.25
switching
4
1.20
not switching
2
1.15
0
0
0.5
1.0
1.5
2.0
RSET CURRENT (mA)
Figure 3. Quiescent Current vs. RSET Current
1.10
3.0
3.5
4.0
4.5
5.0
5.5
VIN SUPPLY (V)
Figure 4. RSET Voltage vs. VIN Supply
1.30
140
1.25
120
1.20
100
1.15
80
1.10
−50
0
50
100
150
TEMPERATURE (°C)
Figure 5. RSET Voltage vs. Temperature
60
20
60
100
140
180
LED CURRENT (mA)
Figure 6. I_LED/I_RSET Gain vs. LED Current
200
175
150
125
100
75
50
25
0
0
0.2
0.4
0.6
0.8
1.0
LED PIN VOLTAGE (V)
Figure 7. LED Channel Current vs. LED Pin
Voltage
200
175
150
125
100
75
50
25
0
3.0
3.5
4.0
4.5
5.0
5.5
VIN SUPPLY (V)
Figure 8. LED Channel Current vs. VIN Supply
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