Datasheet

I
O
− Output Current − A
0
10
20
30
40
50
60
70
80
90
100
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
η − Efficiency − %
G013
FSEL = GND
350 kHz Selection
V
I
= 12 V
t − Time − 2 ms/div
G012
SS
V
O
= 1.05 V
C
SS
= 4700 pF
EN
I
O
− Output Current − A
0
10
20
30
40
50
60
70
80
90
100
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
η − Efficiency − %
G014
FSEL = V5FILT
700 kHz Selection
V
I
= 12 V
TPS53114
www.ti.com SLVS887B –APRIL 2009–REVISED OCTOBER 2010
Figure 22. STARTUP WAVEFORM Figure 23. 1.05-V EFFICIENCY vs. OUTPUT
CURRENT
Figure 24. 1.05-V EFFICIENCY vs. OUTPUT CURRENT
Copyright © 2009–2010, Texas Instruments Incorporated Submit Documentation Feedback 15
Product Folder Link(s) :TPS53114