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5 TPS54383EVM Typical Performance Data and Characteristic Curves
5.1 Efficiency
0.1 1.6
I
LOAD
- Load Current - A
100
95
85
80
75
60
0.6 1.1 2.0
90
h - Efficiency - %
13.2 V
9.6 V
12.0 V
EFFICIENCY (V
OUT2
= 3.3 V)
vs
LOAD CURRENT
70
65
0.1 1.6
I
LOAD
- Load Current - A
95
85
80
75
0.6 1.1 2.0
90
h - Efficiency - %
13.2 V
9.6 V
12.0 V
EFFICIENCY (V
OUT1
= 5.0 V)
vs
LOAD CURRENT
70
TPS54383EVM Typical Performance Data and Characteristic Curves
Figure 5 through Figure 9 present typical performance curves for the TPS54383EVM. 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.
Figure 5. TPS54383EVM Efficiency verse Load Current V
IN
=9.6-13.2 V, V
OUT1
= 5.0 V I
OUT1
= 0-2 A, V
OUT2
=
3.3 V I
OUT2
= 0-2 A
A 12-V Input, 5.0-V and 3.3-V Output, 2-A Non-Synchronous Buck Converter12 SLUU285C – July 2007 – Revised January 2008
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