CAT3604V Datasheet, PDF (12/15 Pages) Catalyst Semiconductor – 4-Channel Quad-Mode™ LED Driver with Open/Short LED Detection

CAT3604V
TYPICAL PERFORMANCE CHARACTERISTICS
V_IN = 3.6V, I_OUT = 80mA (4 LEDs at 20mA), C_IN = C_OUT = C₁ = C₂ = 1μF, T_AMB = 25°C unless otherwise specified.
10kHz PWM waveform (1x mode)
10kHz PWM waveform (1.33x mode)
300Hz PWM waveform (1x mode)
Dimming Linearity, PWM at 500Hz
100
80
1x mode
60
VIN = 4V
40
1.33x mode
VIN = 3.5V
20
0
0 20 40 60 80 100
DUTY CYCLE [%]
Dimming Linearity, PWM at 200Hz
100
80
1x mode
VIN = 4V
60
40
1.33x mode
VIN = 3.5V
20
0
0 20 40 60 80 100
DUTY CYCLE [%]
Dimming Linearity, PWM at 30kHz
100
80
1x mode
VIN = 4V
60
40
1.33x mode
VIN = 3.5V
20
0
0 20 40 60 80 100
DUTY CYCLE [%]
Doc. No. MD-5029, Rev. B
12
© Catalyst Semiconductor, Inc.
Characteristics subject to change without notice