CAT4101
TYPICAL PERFORMANCE CHARACTERISTICS
(V IN = 5 V, V CC = 5 V, V F = 3.5 V, I LED = 1 A (1 LED), C IN = 1 m F, T AMB = 25 ° C unless otherwise specified.)
1.2
1.0
0.8
0.6
No Load
8.0
6.0
4.0
2.0
0.4
3.0
3.5
4.0
4.5
5.0
5.5
0
0
200
400
600
800
1000
8.5
INPUT VOLTAGE (V)
Figure 3. Quiescent Current vs. VIN Voltage
(I LED = 0 mA)
Full Load
1.2
1.0
LED CURRENT (mA)
Figure 4. Quiescent Current vs. LED Current
8.0
0.8
7.5
0.6
0.4
7.0
0.2
6.5
3.0
3.5
4.0
4.5
5.0
5.5
0
0
0.3
0.6
0.9
1.2
1.5
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
INPUT VOLTAGE (V)
Figure 5. Quiescent Current vs. VIN Voltage
(Full Load)
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
LED PIN VOLTAGE (V)
Figure 6. LED Current vs. LED Pin Voltage
0.3
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0.3
? 40
0
40
80
120
INPUT VOLTAGE (V)
Figure 7. LED Current Change vs. VIN Voltage
TEMPERATURE ( ° C)
Figure 8. LED Current Change vs.
Temperature
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