CAT3648
TYPICAL PERFORMANCE CHARACTERISTICS
(V IN = 3.6 V, I OUT = 80 mA (4 LEDs at 20 mA), C IN = C OUT = C 1 = C 2 = 1 m F, T AMB = 25 ° C unless otherwise specified.)
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
1x Mode
40
30
20
10
0
0
100
200
300
400
0
0
50
100
150
200
250
300
OUTPUT CURRENT (mA)
Figure 21. Foldback Current Limit
LED PIN VOLTAGE (mV)
Figure 22. LED Current vs. LED Pin Voltage
Figure 23. Dimming Waveform
http://onsemi.com
8
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