CAT4003B, CAT4004B
TYPICAL CHARACTERISTICS
(CAT4003B, V IN = 4 V, V F = 3.3 V, I OUT = 75 mA (3 LEDs at 25 mA), C IN = 1 μ F, T AMB = 25 ° C unless otherwise specified.)
1.4
1.2
25 ° C
? 40 ° C
1.4
1.2
1.0
1.0
0.8
0.6
0.8
0.4
2.0 2.5
80 ° C
3.0
3.5
4.0
4.5
5.0
5.5
0.6
2.5 3.0
3.5
4.0
4.5
5.0
5.5
INPUT VOLTAGE [V]
Figure 2. EN High Threshold vs. Input Voltage
1.0
0.8
0.6
0.4
0.2
0.0
? 0.2
? 0.4
? 0.6
? 0.8
INPUT VOLTAGE [V]
Figure 3. Quiescent Current vs. Input Voltage
(full load)
10
8
6
4
2
0
? 2
? 4
? 6
? 8
? 1.0
2.5 3.0
3.5
4.0
4.5
5.0
5.5
? 10
? 40
0
40
80
120
INPUT VOLTAGE [V]
Figure 4. LED Current Change vs. Input Voltage
TEMPERATURE [ ° C]
Figure 5. LED Current Change vs. Temperature
http://onsemi.com
5
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