CAT3616 Datasheet, PDF (6/14 Pages) Catalyst Semiconductor – 6-Channel Charge Pump LED Driver with EZDimTM

CAT3616
TYPICAL CHARACTERISTICS
(VIN = 3.6 V, IOUT = 90 mA (6 LEDs at 15 mA), EN = VIN, ENM = ENS = GND,
C_IN = C1 = C2 = C_OUT = 1 mF, T_AMB = 25°C, unless otherwise specified.)
5.0
5.0
4.0
4.0
3.0
3.0
2.0
2.0
1x Mode
1.0
1.0
0
0
−1.0 1.5x Mode
−1.0
−2.0
−2.0
−3.0
−3.0
−4.0
−4.0
−5.0
−5.0
3.0 3.2
3.4
3.6
3.8
4.0
4.2
−40 −20
0
20
40
60
80
INPUT VOLTAGE (V)
TEMPERATURE (°C)
Figure 9. LED Current Change vs. Input
Voltage
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
0.6
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)
0.8
0.7
−40
0
40
80
120
TEMPERATURE (°C)
Figure 12. Oscillator Frequency vs.
Temperature
4.0
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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