Datasheet

TPS54110−Q1
SLVS837 − JULY 2008
www.ti.com
15
All performance data shown for V
I
= 5 V, V
O
= 1.5 V, F
S
= 700 kHz, T
A
= 25_C, Figure 20
Figure 21
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 − %
EFFICIENCY
vs
OUTPUT CURRENT
V
I
= 3.3 V
V
I
= 5 V
Figure 22
0.2
0.4
0.6
0.8
1.2
0
0.25 0.5 0.75 1 1.25 1.5
POWER DISSIPATION
vs
OUTPUT CURRENT
− Power Dissipation − W
P
D
I
O
− Output Current − A
0
1
V
I
= 3.3 V
V
I
= 5 V
Figure 23
−0.1
−0.08
−0.06
−0.04
−0.02
0
0.02
0.04
0.06
0.08
0.1
0 0.25 0.5 0.75 1 1.25 1.5
Output Voltage Varistion − %
LOAD REGULATION
vs
OUTPUT CURRENT
I
O
− Output Current − A
V
I
= 3.3 V
V
I
= 5 V
Figure 24
−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
LINE REGULATION
vs
INPUT VOLTAGE
Output Voltage Varistion − %
Figure 25
Time = 500 ns/div
INPUT VOLTAGE RIPPLE
V
I
= 50 mV/div (AC)
V
(phase)
= 2 V/div
Figure 26
V
O
= 20 mV/div (AC)
V
(phase)
= 2 V/div
Time = 500 ns/div
OUTPUT VOLTAGE RIPPLE
Figure 27
V
O
= 20 mV/div (AC)
I
O
= 1 V/div
Time = 200 ms/div
OUTPUT VOLTAGE TRANSIENT
RESPONSE
Figure 28
V
I
= 1 V/div
V
O
= 500 mV/div
Time = 5 ms/div
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