Datasheet

V
I
− Input Voltage − V
300
400
500
600
700
800
0 5 10 15 20 25
f
(SW)
− Swithing Frequency − kHz
G005
FSEL = V5FILT
V
O
= 1.2 V
V
O
= 1.05 V
V
O
= 1.8 V
V
O
= 3.3 V
V
O
= 5 V
V
I
− Input Voltage − V
200
250
300
350
400
450
500
0 5 10 15 20 25
f
(SW)
− Swithing Frequency − kHz
G004
FSEL = GND
f = 350 kHz
V
O
= 1.2 V
V
O
= 1.05 V
V
O
= 1.8 V
V
O
= 3.3 V
V
O
= 5 V
I
O
− Output Current − A
200
300
400
500
600
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
f
(SW)
− Swithing Frequency − kHz
G006
FSEL = GND
V
I
= 12 V
V
O
= 1.05 V
V
O
= 3.3 V
I
O
− Output Current − A
200
300
400
500
600
700
800
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
f
(SW)
− Swithing Frequency − kHz
G007
FSEL = V5FILT
V
I
= 12 V
V
O
= 3.3 V
V
O
= 1.05 V
TPS53114
www.ti.com SLVS887B –APRIL 2009–REVISED OCTOBER 2010
TYPICAL APPLICATION PERFORMANCE
Typical application performance below was taken from specific application circuits Figure 12 and Figure 13.
Figure 14. SWITCHING FREQUENCY (I
O
= 1 A) vs. Figure 15. SWITCHING FREQUENCY vs. INPUT
INPUT VOLTAGE VOLTAGE
Figure 16. SWITCHING FREQUENCY vs. OUTPUT Figure 17. SWITCHING FREQUENCY vs. OUTPUT
CURRENT CURRENT
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