Datasheet

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6.1 Efficiency
EFFICIENCY
vs
LOADCURRENT
0
10
20
30
40
50
60
70
80
90
100
0 5 10 15 20 25 30 35 40 45
I -LoadCurrent- A
OUT
h -Efficiency-%
V =10.8V
I
V =12V
I
V =13.2V
I
V =10.8-13.2V,
V =1.5V,
I =0-40 A
I
OUT
OUT
6.2 Line and Load Regulation
OUTPUTVOLTAGE
vs
LOADCURRENT
1.490
1.495
1.500
1.505
1.510
0 5 10 15 20 25 30 35 40 45
I -LoadCurrent- A
O
V -OutputVoltage-V
O
V =10.8V
I
V =12V
I
V =13.2V
I
TPS40131EVM Typical Performance Data and Characteristic Curves
Figure 7. TPS40131EVM Efficiency
V
IN
= 10.8–13.2V, V
OUT
= 1.5V, I
OUT
= 0–40A
Figure 8. TPS40131EVM V
OUT
= 1.5V Load Regulation
SLVU198A – February 2007 – Revised May 2007 Using the TPS40131EVM, A 40A Single Output 11
Two-Phase Synchronous Buck Converter
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