Datasheet

PG1.2 V = 5.5 V
O
0
10
20
30
40
50
60
70
80
90
100
0 0.01 0.1 1 10 100 300
I - Output Current - mA
O
Efficiency - %
V = 3.4 V
I
V = 3.1 V
I
V = 2.5 V
I
V = 5 V
I
V =50mV/div
O
I =100mA/div
O
t-Time-2ms/div
SW=10V/div
V =3.6V,
V =5.5V,
I =0mA to150mA
I
O
O
V = 50 mV/div
O
I = 100 mA/div
O
t - Time - 2 ms/div
V = 3.6 V,
V = 5.5 V,
I = 50 mA to 150 mA
I
O
O
SW = 10 V/div
www.ti.com TPS61251 EVM Test Data
5 TPS61251 EVM Test Data
Figure 5 through Figure 11 present typical performance curves for the TPS61251 EVM. 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
Figure 2. TPS61251 EVM Efficiency vs Load Current
5.2 Load and Line Regulation
Figure 3. TPS61251 EVM Load Transient Response, Figure 4. TPS61251 EVM Load Transient Response,
Snooze Mode to PFM Mode PFM Mode
5
SLVU409–October 2010 TPS61251 Evaluation Module
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