Datasheet

40
50
60
70
80
90
100
0 5 10 15 20 25 30
I
OUT
-LoadCurrent- A
Ð
- Efficiency - %
36.0V 48.0V 72.0V
3.25
3.27
3.29
3.31
3.33
3.35
0 5 10 15 20 25 30
I
OUT
-LoadCurrent- A
V
O U T
- O u tp u t V o ltag e - V
36.0V 48.0V 72.0V
www.ti.com Performance Data and Typical Characteristic Curves
7 Performance Data and Typical Characteristic Curves
through present typical performance curves for UCC2897A-EVM.
Figure 3. UCC2897A-EVM Efficiency Figure 4. Line and Load Regulation
Figure 5. Loop Response Gain and Phase 36 V in 0-A Figure 6. Loop Response Gain and Phase 36 V in 30 A
Load Load
Figure 7. Loop Response Gain and Phase 72 V in 30-A Figure 8. Loop Response Gain and Phase 72 V in 0-A
Load Load
9
SLUU357–November 2009 48-V to 3.3-V Forward Converter with Active Clamp Reset —Using the
UCC2897A Active Clamp Current Mode —PWM Controller
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