SLVS451D – SEPTEMBER 2003 – REVISED FEBRUARY 2006
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TPS61025
EFFICIENCY
vs
INPUT VOLTAGE
100
95
90
85
Efficiency - %
80
75
I
O
= 250 mA
70
65
60
55
50
0.9
1.4
1.9
2.4
2.9
3.4
3.9
4.4 4.9
Efficiency - %
I
O
= 10 mA
I
O
= 100 mA
V
O
= 3.3 V
95
90
85
80
75
70
65
60
55
50
100
I
O
= 100 mA
TPS61027
EFFICIENCY
vs
INPUT VOLTAGE
I
O
= 10 mA
I
O
= 250 mA
V
O
= 5 V
0.9 1.4 1.9 2.4 2.9 3.4 3.9 4.4 4.9 5.4 5.9 6.4
V
I
- Input Voltage - V
V
I
- Input Voltage - V
Figure 5.
TPS61025
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
3.35
V
O
= 3.3 V
5.05
VO - Output Voltage - V
VO - Output Voltage - V
5.10
V
O
= 5 V
Figure 6.
TPS61027
OUTPUT VOLTAGE
vs
OUTPUT CURRENT
3.30
VBAT = 2.4 V
5
VBAT = 3.6 V
4.95
3.25
4.90
4.85
3.20
1
10
100
1000
I
O
- Output Current - mA
4.80
1
10
100
I
O
- Output Current - mA
1000
Figure 7.
Figure 8.
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