Datasheet

0 5 10 20 25 30 35
Load Current (A)
0
20
40
60
80
100
15
10
30
50
70
90
Efficiency (%)
10.8
12.0
13.2
EFFICIENCY
vs
LOAD CURRENT
0 5 10 20 25 30 35
Load Current (A)
0
2
3
5
8
15
1
4
6
7
Power Loss (W)
POWER LOSS
vs
LOAD CURRENT
10.8
12.0
13.2
TPS40140EVM-003 Typical Performance Data and Characteristic Curves www.ti.com
5 TPS40140EVM-003 Typical Performance Data and Characteristic Curves
Figure 9 through Figure 13 present typical performance curves for the TPS40140EVM-003. Since actual
performance data can be affected by measurement techniques and environmental variables, these curves
are presented for reference and may differ from actual field measurements.
5.1 Efficiency and Power Loss
Figure 9. TPS40140EVM-003 Efficiency Figure 10. TPS40140EVM-003 V
OUT
= 1.5-V Power Loss
V
IN
= 10.8–13.2 V, V
OUT
= 1.5 V, I
OUT
= 0–32 A
12
Using the TPS40140EVM-003 A 32-A Single Output Two-Phase Stackable SLVU219A–August 2007–Revised November 2010
Synchronous Buck Converter
Submit Documentation Feedback
Copyright © 2007–2010, Texas Instruments Incorporated