Datasheet

0
10
20
30
40
50
60
70
80
90
100
h -Efficiency-%
0.01 0.1 1 10 100
I -OutputCurrent-mA
O
V =0.7V
I
V =1.2V
I
V =2.4V
I
V =3.3V
O
V =3V
I
0
10
20
30
40
50
60
70
80
90
100
h -Efficiency-%
0.01 0.1 1 10 100
I -OutputCurrent-mA
O
V =0.7V
I
V =1.2V
I
V =4.2V
I
V =5V
O
V =2.4V
I
V =3.6V
I
0.7 1.2 1.7 2.2 2.7 3.2
0
10
20
30
40
50
60
70
80
90
100
h -Efficiency-%
V -InputVoltage-V
I
I =50mA
O
I =100 A
O
m
I =10mA
O
I =1mA
O
V =3.3V
O
0.7 0.9 1.1 1.3 1.5 1.7
V -InputVoltage-V
I
0
10
20
30
40
50
60
70
80
90
100
h -Efficiency-%
I =50mA
O
I =100 A
O
m
I =10mA
O
I =1mA
O
V =1.8V
O
0
20
40
60
80
100
0.7
1.7 2.7
3.7
4.7
V -InputVoltage-V
I
h -Efficiency-%
I =50mA
O
I =100 A
O
m
I =10mA
O
I =1mA
O
V =5V
O
0
10
20
30
40
50
60
70
80
0.7 1.7 2.7 3.7 4.7
V -InputVoltage-V
I
I -InputCurrent- A
I
m
TPS61222,V =5V
O
TPS61220,V =1.8V
O
TPS61221,V =3.3V
O
DeviceEnabled
TPS61220
TPS61221
TPS61222
www.ti.com ............................................................................................................................................................................................... SLVS776 – JANUARY 2009
EFFICIENCY vs EFFICIENCY vs
OUTPUT CURRENT AND INPUT VOLTAGE (TPS61221) OUTPUT CURRENT AND INPUT VOLTAGE (TPS61222)
Figure 3. Figure 4.
EFFICIENCY vs EFFICIENCY vs
INPUT VOLTAGE AND OUTPUT CURRENT (TPS61220) INPUT VOLTAGE AND OUTPUT CURRENT (TPS61221)
Figure 5. Figure 6.
NO LOAD INPUT CURRENT vs
EFFICIENCY vs INPUT VOLTAGE, DEVICE ENABLED (TPS61220 V
OUT
=1.8,
INPUT VOLTAGE AND OUTPUT CURRENT (TPS61222) TPS61221, TPS61222)
Figure 7. Figure 8.
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