TPS61040
TPS61041
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SLVS413F –OCTOBER 2002–REVISED DECEMBER 2010
EFFICIENCY
vs
EFFICIENCY
vs
LOAD CURRENT
INPUT VOLTAGE
90
88
90
88
86
84
82
80
78
76
74
V
O
= 18 V
L = 10 µH
V
O
= 18 V
I
O
= 10 mA
86
84
82
L = 10 µH
I
O
= 5 mA
L = 3.3 µH
80
78
76
74
72
70
72
70
1
2
3
4
5
6
0.1
1
10
100
I
L
− Load Current − mA
V − Input Voltage − V
I
Figure 3.
Figure 4.
TPS61040
QUIESCENT CURRENT
vs
FEEDBACK VOLTAGE
vs
INPUT VOLTAGE
FREE-AIR TEMPERATURE
40
1.24
T
= 85°C
= 27°C
= −40°C
A
35
30
25
20
15
10
1.238
T
A
1.236
1.234
T
A
V
CC
= 2.4 V
1.232
1.23
5
0
1.8
2.4
3
3.6
4.2
4.8
5.4
6
−40 −20
0
20
40
60
80 100 120
T
A
− Temperature − °C
V − Input Voltage − V
I
Figure 5.
Figure 6.
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