CAT32
TYPICAL CHARACTERISTICS
(V IN = 3.6 V, T AMB = 25 ° C, C IN = 4.7 m F, C OUT = 1 m F, L = 6.8 m H, unless otherwise specified.)
1.0
0.8
1.0
0.8
0.6
0.4
0.2
0.6
0.4
0.2
V IN = 3 V
0
2
3
4
5
6
0
? 50
? 25
0
25
50
75
100
125
300
250
200
150
100
50
INPUT VOLTAGE (V)
Figure 8. Switch Resistance vs. Input Voltage
TEMPERATURE ( ° C)
Figure 9. Switch Resistance vs. Temperature
0
0
8
16
24
32
40
LED CURRENT (mA)
85
80
75
Figure 10. LED Pin Voltage vs. LED Current
Figure 11. V SW , I L , & V OUT Signal Waveforms
70
65
4 LEDs at 15 mA
V OUT = 13 V
60
2
3
4
5
6
INPUT VOLTAGE (V)
Figure 12. Efficiency vs. Input Voltage
http://onsemi.com
5
Figure 13. PWM on SHDN Pin Waveform
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