Datasheet

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
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
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 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 = 2.4 V
I
V = 3.6 V
I
0
50
100
150
200
250
300
0.7 1.2 1.7 2.2 2.7 3.2 3.7 4.2 4.7
V -InputVoltage-V
I
TPS61221V =3.3V
O
TPS61220V =1.8V
O
TPS61222V =5V
O
MaximumoutputCurrent-mA
0.01 0.1 1 10 100
I - Output Current - mA
O
0
10
20
30
40
50
60
70
80
90
100
h - Efficiency - %
V = 0.7 V
I
V = 1.2 V
I
V = 1.5 V
I
TPS61220, TPS61221, TPS61222
SLVS776A –JANUARY 2009–REVISED APRIL 2014 www.ti.com
V
O
= 1.8 V
Figure 2. Efficiency versus Output Current and Input
Figure 1. Maximum Output Current versus Input Voltage
Voltage (TPS61220)
(TPS61220, TPS61221, TPS61222)
V
O
= 3.3 V V
O
= 5 V
Figure 3. Efficiency versus Output Current and Input Figure 4. Efficiency versus Output Current and Input
Voltage (TPS61221) Voltage (TPS61222)
V
O
= 3.3 V
V
O
= 1.8 V
Figure 6. Efficiency versus Input Voltage and Output
Figure 5. Efficiency versus Input Voltage and Output
Current (TPS61221)
Current (TPS61220)
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