TPS61199
SLVSAN3 –DECEMBER 2010
www.ti.com
EN
5 V/div
DC
IFB1
10 V/div
DC
IFB1
10 V/div
DC
VOUT
500 mV/div
AC
VOUT
20 V/div
AC
Total LED
500 mA/div
DC
Total LED
500 mA/div
DC
t - Time - 10 ms/div
t - Time - 20 ms/div
Figure 8. Dimming Waveforms
Figure 9. Startup Waveform
EN
5 V/div
DC
IFB1
10 V/div
DC
VOUT
20 V/div
AC
Total LED
500 mA/div
DC
t - Time - 40 ms/div
Figure 10. Shutdown Waveform
8
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