CAT3636_07 Datasheet, PDF (5/16 Pages) Catalyst Semiconductor – 6-Channel Quad-ModeTM Fractional LED Driver in TQFN3x3

CAT3636
TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 3.6V, I_OUT = 120mA (6 LEDs at 20mA), C_IN = C_OUT = C1 = C2 = 1μF, T_AMB = 25°C unless otherwise specified.
Switching Frequency vs. Temperature
1.2
1.1
1.0
1.5x Mode
0.9
0.8
1.33x, 2x Mode
0.7
0.6
-40 -20 0 20 40 60 80
TEMPERATURE [°C]
Output Resistance vs. Input Voltage
10
V_F = 3.3V
8
2x
6
1.33x ^1.5x
4
2
1x
0
5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0
INPUT VOLTAGE [V]
Power Up in 1x Mode
Power Up in 1.33x Mode
Power Up in 1.5x Mode
Power Up in 2x Mode
© 2007 Catalyst Semiconductor, Inc.
5
Characteristics subject to change without notice
Doc. No. 5020 Rev. C