CAT3224 Datasheet, PDF (6/13 Pages) ON Semiconductor – 4 Amp Supercapacitor Flash LED Driver

630
620
610
600
590
580
570
0
630
620
610
600
590
580
570
0
CAT3224
TYPICAL CHARACTERISTICS
(VIN = 3.6 V, C = 0.55 F, T_AMB = 25°C, typical application circuit unless otherwise specified.)
630
620
610
600
590
0.5
1.0
1.5
I_FLASH (A)
Figure 8. V_RF vs. I_FLASH
580
570
2.0
0
0.2
0.4
0.6
0.8
1.0
I_CHARGE (A)
Figure 9. V_RC vs. I_CHARGE
6.0
5.5
5.0
4.5
50
100
150
I_TORCH (mA)
Figure 10. V_RT vs. I_TORCH
4.0
200
0
0.5
1.0
1.5
2.0
2.5 3.0
R_C (kW)
Figure 11. V_CAP idle vs. R_C
500
400
300
200
Vled = 2.9 V
100
0
3.0
3.5
4.0
4.5
5.0
5.5
V_CAP (V)
Figure 12. Torch Output Current vs. V_CAP
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