Datasheet

5.1 Efficiency
5VEfficiency
70
75
80
85
90
95
100
0.15 0.65 1.15 1.65 2.15 2.65
9.6V
12V
13.2V
η -Efficiency-%
I -LoadCurrent- A
LOAD
3.3VEfficiency
70
75
80
85
90
95
100
0.15 0.65 1.15 1.65 2.15 2.65
9.6V
12V
13.2V
η -Efficiency-%
I -LoadCurrent- A
LOAD
5.2 Line and Load Regulation
5VOutputVoltage
5.07
5.075
5.08
5.085
5.09
5.095
5.1
5.105
5.11
5.115
5.12
0 0.5 1 1.5 2 2.5 3 3.5
V -OutputVoltage-V
O
I -LoadCurrent- A
LOAD
9.6V
12V
13.2V
3.319
3.324
3.329
3.334
3.339
3.344
3.349
0 0.5 1 1.5 2 2.5 3 3.5
12V
13.2V
V -OutputVoltage-V
O
I -LoadCurrent- A
LOAD
9.6V
TPS55386EVM-363 Typical Performance Data and Characteristic Curves www.ti.com
V
IN
= 9.6-13.2V, V
OUT1
= 5.0V I
OUT1
= 0-3A, V
OUT2
= 3.3V I
OUT2
= 0-3A
Figure 5. TPS55386EVM-363 Efficiency vs Load Current
V
IN
= 9.6-13.2V, V
OUT1
= 5.0V I
OUT1
= 0-3A, V
OUT2
= 3.3V I
OUT2
= 0-3A
Figure 6. TPS55386EVM-363 Output Voltage vs Load Current
Using the TPS55386EVM-363 A 12V Input, 5.0V & 3.3V Output, 3A Non-Synchronous Buck Converter12 SLVU273 – September 2008
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