Datasheet
CAT3649
http://onsemi.com
7
TYPICAL PERFORMANCE CHARACTERISTICS
(V
IN
= 3.6 V, PWM = V
IN
, I
OUT
= 120 mA (6 LEDs at 20 mA), C
IN
= C
OUT
= C
1
= C
2
= 1 mF, C
PWM
= 47 nF,
T
AMB
= 25°C unless otherwise specified.)
Figure 16. ADIM, PWM V
HI
V
LO
vs. VIN Figure 17. Power Down Delay (1x Mode)
INPUT VOLTAGE (V)
5.55.04.54.03.53.02.5
0
0.4
0.8
1.2
1.6
2.0
Figure 18. Operating Waveforms in 1x Mode Figure 19. Switching Waveforms in 1.33x Mode
Figure 20. Switching Waveforms in 1.5x Mode Figure 21. Switching Waveforms in 2x Mode
VOLTAGE (V)
V
LO
V
HI