CAT3614 Datasheet, PDF (5/12 Pages) Catalyst Semiconductor – 4-Channel 1-Wire LED Driver in 3x3mm Package

CAT3614
Typical Characteristics
VIN = 3.6V, I_OUT = 80mA (4 LEDs at 20mA), C₁ = C₂ = C_IN = C_OUT = 1µF, T_AMB = 25°C unless otherwise specified.
LED Current Change vs. Input Voltage
5.0
4.0
3.0
2.0
1x Mode
1.0
0.0
-1.0
-2.0
1.5x Mode
-3.0
-4.0
-5.0
3.0 3.2 3.4 3.6 3.8 4.0 4.2
INPUT VOLTAGE [V]
LED Current Change vs. Temperature
5.0
4.0
3.0
2.0
1.0
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-40 -20 0 20 40 60 80
TEMPERATURE [°C]
Oscillator Frequency vs. Input Voltage
1.3
1.2
1.1
1.0
4 LEDs at 20mA
0.9
0.8
0.7
3.0 3.2 3.4 3.6 3.8 4.0
INPUT VOLTAGE [V]
Oscillator Frequency vs. Temperature
1.3
1.2
1.1
1.0
0.9
0.8
0.7
-40
0
40
80
120
TEMPERATURE [°C]
Output Resistance vs. Input Voltage (1x mode)
1.0
0.8
0.6
0.4
0.2
0.0
3.0 3.2 3.4 3.6 3.8 4.0 4.2
INPUT VOLTAGE [V]
Output Resistance vs. Input Voltage (1.5x mode)
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]
© 2006 Catalyst Semiconductor, Inc.
5
Characteristics subject to change without notice
Doc. No. 25095, Rev. 01