Datasheet

50
55
60
65
70
75
80
85
90
95
100
0 0.25 0.5 0.75 1 1.25 1.5
I −
O
Output Current − A
Efficiency
− %
V
I
= 3.3 V
V
I
= 5 V
0.2
0.4
0.6
0.8
1.2
0
0.25 0.5 0.75 1 1.25 1.5
− Power Dissipation
− W
P
D
I
O
Output Current
−
A
0
1
V
I
= 3.3 V
V
I
= 5 V
−
−0.1
−0.08
−0.06
−0.04
−0.02
0
0.02
0.04
0.06
0.08
0.1
0 0
.2
5 0
.
5 0
.7
5
1 1.2
5
1.
5
Output Voltage Varistion
− %
I −
O
Output Current − A
V
I
= 3.3 V
V
I
= 5 V
Time = 500 ns/div
V
I
= 50 mV/div (AC)
V
(phase)
= 2 V/div
V
O
= 20 mV/div (AC)
V
(phase)
= 2 V/div
Time = 500 ns/div
−0.02
−0.015
−0.01
−0.005
0.005
0.01
0.015
0.02
3 3.5 4 4.5 5 5.5 6
0
I
O
= 0 A
I
O
= 0.75 A
I
O
= 1.5 A
V −
I
Input Voltage − V
Output Voltage Varistion
− %
V
O
= 20 mV/div (AC)
I
O
= 1 V/div
Time = 200 s/div
V
I
= 1 V/div
V
O
= 500 mV/div
Time = 5 ms/div
TPS54110
SLVS500C – DECEMBER 2003– REVISED FEBRUARY 2011 www.ti.com
All performance data shown for V
I
= 5 V, V
O
= 1.5 V, F
S
= 700 kHz, T
A
= 25°C, Figure 20
EFFICIENCY POWER DISSIPATION LOAD REGULATION
vs vs vs
OUTPUT CURRENT OUTPUT CURRENT OUTPUT CURRENT
Figure 21. Figure 22. Figure 23.
LINE REGULATION
vs
INPUT VOLTAGE INPUT VOLTAGE RIPPLE OUTPUT VOLTAGE RIPPLE
Figure 24. Figure 25. Figure 26.
OUTPUT VOLTAGE TRANSIENT
RESPONSE START UP WAVEFORM
Figure 27. Figure 28.
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