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30
40
50
60
70
80
90
100
0.01
0.1
1
10
100 1000
I -OutputCurrent-mA
O
Efficiency-%
V =2.7V
IN
V =3.3V
IN
V =3.6V
IN
V =4.5V
IN
V =5V
IN
V =1.8V,
MODE=GND,
L =2.2 H
OUT
m
30
40
50
60
70
80
90
100
1
10
100 1000
I -OutputCurrent-mA
O
20
Efficiency-%
V =2.7V
IN
V =3.3V
IN
V =3.6V
IN
V =4.5V
IN
V =5V
IN
V =1.8V,
MODE=V ,
L =2.2 H
OUT
IN
m
30
40
50
60
70
80
90
100
0.01
0.1
1
10
100 1000
I -OutputCurrent-mA
O
Efficiency-%
V =3.8V
IN
V =4.5V
IN
V =4.2V
IN
V =5V
IN
V =3.3V,
MODE=GND,
L =2.2 H
OUT
m
0
40
50
60
70
80
90
100
1
10
100 1000
I -OutputCurrent-mA
O
Efficiency-%
30
20
10
V =3.8V
IN
V =4.2V
IN
V =4.5V
IN
V =5V
IN
V =3.3V,
MODE=V ,
L =2.2 H
OUT
IN
m
TPS62290 , TPS62291 , TPS62293
SLVS764C – JUNE 2007 – REVISED MARCH 2008
EFFICIENCY (Power Save Mode) EFFICIENCY (Forced PWM Mode)
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 1. Figure 2.
EFFICIENCY (Power Save Mode) EFFICIENCY (Forced PWM Mode)
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 3. Figure 4.
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