Datasheet

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40
45
50
55
60
65
70
75
80
85
90
95
100
0 0.01 0.10 1 100010 100
Efficiency − %
I
L
− Load Current − mA
V
O
= 1.5 V
V
I
= 5 V
V
I
= 3.6 V
V
I
= 2.7 V
Mode = Low
Mode = High
70
75
80
85
90
95
100
2.5 3 3.5 4 4.5 5 5.5 6
I
L
= 250 mA
I
L
= 1 mA
V
O
= 1.8 V
Mode = Low
Efficiency − %
V
I
− Input Voltage − V
I
L
= 500 mA
3
3.5
4
4.5
5
5.5
6
6.5
7
7.5
2.5 3 3.5 4 4.5 5 5.5 6
Quisecent Current −
V
I
− Input Voltage − V
mA
MODE = High
T
A
= 25°C
5
7
9
11
13
15
17
19
21
23
2.4 2.8 3.2 3.6 4 4.4 4.8 5.2 5.6 6
Quisecent Current −
V
I
− Input Voltage − V
Aµ
MODE = Low
T
A
= 85°C
T
A
= 25°C
T
A
= −40°C
TPS62020
TPS62021
TPS62026
SLVS076C – JUNE 2003 – REVISED DECEMBER 2004
EFFICIENCY EFFICIENCY
vs vs
LOAD CURRENT INPUT VOLTAGE
Figure 3. Figure 4.
QUIESCENT CURRENT QUIESCENT CURRENT
vs vs
INPUT VOLTAGE INPUT VOLTAGE
Figure 5. Figure 6.
7