OUTPUT VOLTAGEvs LOAD CURRENT
10.8
11.3
11.8
12.3
12.8
0
0.5
1
1.5
2
2.5
3
LOAD CURRENT (A)
O
U
T
P
U
T
V
O
L
T
A
G
E
(
V
)
85Vac
115Vac
230Vac
265Vac
Performance Data and Typical Characteristic Curves
Figure 10. Output Voltage as a Function of Load Current and Line Voltage
(Note the shutdown/retry threshold for each line voltage.)
Figure 11. Start-Up Waveform
(Input voltage = 115 V
AC
, full load. Ch.1 = bulk input voltage, 100 V/div., Ch.2 = VGG, 10 V/div., Ch.3 =
VDD, 10V/div., Ch.4 = DRV, 10V/div.)
15
SLUU383B
–
November 2009
–
Revised May 2011
UCC28610EVM-474 25-W Universal Off-Line Flyback Converter
Copyright
©
2009
–
2011, Texas Instruments Incorporated