CAT3604V Datasheet, PDF (12/14 Pages) Catalyst Semiconductor – 4-Channel Quad-Mode™ LED Driver with Open/Short LED Detection

CAT3604V
TYPICAL PERFORMANCE CHARACTERISTICS
(V_IN = 3.6 V, I_OUT = 80 mA (4 LEDs at 20 mA), C_IN = C_OUT = C₁ = C₂ = 1 mF, T_AMB = 25°C unless otherwise specified.)
Figure 29. 10 kHz PWM Waveform
(1x Mode)
Figure 30. 10 kHz PWM Waveform
(1.33x Mode)
100
80
Figure 31. 300 Hz PWM Waveform (1x Mode)
60
40
1x Mode
VIN = 4 V
20
1.33x Mode
VIN = 3.5 V
0
0
20
40
60
80
100
DUTY CYCLE (%)
Figure 32. Dimming Linearity, PWM at 200 Hz
100
100
80
80
60
40
1x Mode
VIN = 4 V
20
1.33x Mode
VIN = 3.5 V
0
0
20
40
60
80
100
DUTY CYCLE (%)
Figure 33. Dimming Linearity, PWM at 500 Hz
60
40
1x Mode
VIN = 4 V
20
1.33x Mode
VIN = 3.5 V
0
0
20
40
60
80
100
DUTY CYCLE (%)
Figure 34. Dimming Linearity, PWM at 30 kHz
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