Datasheet

© 2012 Fairchild Semiconductor Corporation 12 FEBFL7701_L30U003A • Rev. 1.0.2
8.3. Typical Waveforms: Steady State
Figure 13 through Figure 22 show the normal operation waveform by input voltage &
input frequency. The output voltage and current maintains a certain output level with
120Hz ripple, as shown in the test results in Table 2.
CH1: V
CC
, CH2:
V
DRAIN
, CH3: V
LED
, CH4: I
LED
Figure 13. Input Voltage: 90V
AC
, Input Frequency: 47Hz
CH1: V
CC
, CH2:
V
DRAIN
, CH3: V
LED
, CH4: I
LED
Figure 14. Input Voltage: 90V
AC
, Input Frequency: 64Hz
H1: V
CC
, CH2: V
DRAIN
, CH3: V
LED
, CH4: I
LED
Figure 15. Input Voltage: 110V
AC
, Input Frequency:
47Hz
H1: V
CC
, CH2: V
DRAIN
, CH3: V
LED
, CH4: I
LED
Figure 16. Input Voltage: 110V
AC
, Input Frequency:
64Hz