CAT3606
TYPICAL CHARACTERISTICS
(V IN = 3.6 V, EN = V IN , ENM = ENS = GND, C IN = C OUT = 1 m F, R SET = 24 k W (20 mA per LED), T AMB = 25 ° C, unless otherwise specified.)
VIN
50mV/
div
Input
Current
10mA/
div
VIN
50mV/div
Input
Current
10mA/div
VOUT
50mV/
div
AC coupled
VOUT
50mV/div
AC coupled
EN
2V/div
Input
Current
100mA/
div
VOUT
2V/div
100
10
1
400 nsec/div
Figure 15. Switching Waveforms in 1.5x Mode
400 m sec/div
Figure 17. Power Up 6 LEDs at 15 mA,
VIN = 3 V (1.5x Mode)
EN
2V/div
Input
Current
100mA/div
VOUT
2V/div
Vin
3.6V to 4.9V
1V/div
Input
Current
5mA/div
VOUT
2V/div
AC coupled
400 nsec/div
Figure 16. Operating Waveforms in 1x Mode
400 m sec/div
Figure 18. Power Up 6 LEDs at 15 mA,
VIN = 3.6 V (1x Mode)
0.1
10
100
RSET (k W )
1000
10,000
200 m sec/div
Figure 19. LED Current vs. R SET
http://onsemi.com
8
Figure 20. Line Transient Response
in 1x Mode
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