Datasheet
80 120 200 220 260
VAC - Line Voltage - V
0
100
250
350
500
160
50
150
200
300
400
Input Power - mW
NO-LOAD POWER CONSUMPTION
vs
LINE VOLTAGE
100 140 180 240 280
85 VAC
115 VAC
230 VAC
265 VAC
450
0 1 3 4 5
Load - A
0.40
0.50
0.65
0.75
0.85
2
0.45
0.55
0.60
0.70
0.80
h - Efficiency - %
EFFICIENCY
vs
LOAD
85 VAC
115 VAC
230 VAC
265 VAC
0 1.0 3.0 4.0 5.0
Load Current - A
4.0
5.5
6.0
2.0
4.5
5.0
V
OUT
- Output Voltage - V
OUTPUT VOLTAGE
vs
LOAD CURRENT
0.5 1.5 2.5 3.5 4.5 5.5
85 VAC
115 VAC
230 VAC
265 VAC
0 1 3 4 5
Load Current - A
0
100
120
2
20
40
60
80
f
SW
- Switching Frequency - kHz
AVERAGE SWITCHING FREQUENCY
vs
LOAD CURRENT
85 VAC
115 VAC
230 VAC
265 VAC
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Typical Characteristic Curves
7 Typical Characteristic Curves
Figure 5 through Figure 10 present typical performance curves for the UCC24610EVM-563.
Figure 5. Efficiency Figure 6. No-Load Input Power
(as a function of load current and input voltage) (as a function of input voltage)
Figure 7. Average Switching Frequency Figure 8. Output Voltage (as a function of load current
(as a function of load current) and line voltage)
13
SLUU434–August 2010 5-V, 25-W Flyback Converter With Secondary-Side Synchronous Rectification
Copyright © 2010, Texas Instruments Incorporated