CAT3612 Datasheet, PDF (5/13 Pages) Catalyst Semiconductor – Programmable 300mA Camera Flash LED Driver

CAT3612
TYPICAL CHARACTERISTICS
(VIN = 3.6 V, I_OUT = 100 mA, C_IN = C_OUT = 2.2 mF, C₁ = C₂ = 1 mF, T_AMB = 25°C unless otherwise specified.)
5
4
3
2
1
1x Mode
0
−1
−2 ^{1.5x Mode}
−3
−4
−5
3.0 3.2
3.4
3.6
3.8
4.0
4.2
INPUT VOLTAGE (V)
Figure 9. LED Current Change vs. Input
Voltage
5
4
3
2
1
0
−1
−2
−3
−4
−5
−40
0
40
80
120
TEMPERATURE (°C)
Figure 10. LED Current Change vs.
Temperature
1.3
1.3
1.2
1.2
1.1
1.1
1.0
1.0
0.9
0.9
0.8
0.7
3.0
3.2
3.4
3.6
3.8
4.0
INPUT VOLTAGE (V)
Figure 11. Oscillator Frequency vs. Input
Voltage
1.0
0.8
0.7
−40
0
40
80
120
TEMPERATURE (°C)
Figure 12. Oscillator Frequency vs.
Temperature
4.0
0.8
0.6
0.4
0.2
0
3.0 3.2
3.4
3.6
3.8
4.0
4.2
INPUT VOLTAGE (V)
Figure 13. Output Resistance vs. Input Voltage
(1x Mode)
3.5
3.0
2.5
2.0
1.5
1.0
3.0 3.2
3.4
3.6
3.8
4.0 4.2
INPUT VOLTAGE (V)
Figure 14. Output Resistance vs. Input Voltage
(1.5x Mode)
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