Datasheet

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6.1 Efficiency
0 5 10 15 20 25
0
10
20
30
40
50
60
70
80
90
100
h
-Efficiency-%
I -LoadCurrent- A
OUT
V =10.8-13.2V,
V =1.5V,
I =0-20 A
I
OUT
OUT
EFFICIENCY
vs
LOADCURRENT
V =10.8V
I
V =12V
I
V =13.2V
I
6.2 Line and Load Regulation
OUTPUTVOLTAGE
LOADCURRENT
vs
V =1.5V
O
1.5
1.505
1.51
1.515
1.52
1.525
1.53
0 2 4 6 8 10 12 14 16 18 20
I -LoadCurrent- A
O
V -OutputVoltage-V
O
V =10.8V
I
V =12V
I
V =13.2V
I
TPS40180EVM Typical Performance Data and Characteristic Curves
Figure 6. TPS40180EVM Efficiency
Figure 7. TPS40180EVM V
OUT
= 1.5V Load Regulation
SLVU213 – May 2007 Using the TPS40180EVM, A 20A Stackable Single Phase Synchronous Buck Converter 11
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