CAT3604V
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.)
100
90
V F = 3.3 V
100
90
V F = 3.3 V
80
70
1x
1.33x
1.5x
2x
80
70
1x
1.33x
60
50
60
50
40
4.5
4.0
3.5
3.0
2.5
2.0
40
4.2
4.0
3.8
3.6
3.4
3.2
3.0
4
INPUT VOLTAGE (V)
Figure 3. Efficiency vs. Input Voltage
V F = 3.3 V
4
INPUT VOLTAGE (V)
Figure 4. Efficiency vs. Li ? Ion Voltage
3
3
2x
1.5x
2
1
LEDs Off
2 1.33x
1x
1
0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
0
? 40
0
40
80
120
10
INPUT VOLTAGE (V)
Figure 5. Quiescent Current vs. Input Voltage
10
TEMPERATURE ( ° C)
Figure 6. Quiescent Current vs. Temperature
8
6
4
2
0
? 2
? 4
? 6
? 8
V F = 3.3 V
8
6
4
2
0
? 2
? 4
? 6
? 8
V F = 3.3 V
? 10
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
? 10
? 40
0
40
80
120
INPUT VOLTAGE (V)
Figure 7. LED Current Change vs. Input
Voltage
http://onsemi.com
5
TEMPERATURE ( ° C)
Figure 8. LED Current Change vs.
Temperature
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