Datasheet

50
55
60
65
70
75
80
85
90
95
100
100m 1 10 100 1k 10k
I load (mA)
Efficiency (%)
V
IN
= 2.7 V
V
IN
= 3.7 V
V
IN
= 4.2 V
V
IN
= 5 V
V
OUT
= 1.8 V
L = 1 µH
f = 1.4 MHz
G003
50
55
60
65
70
75
80
85
90
95
100
100m 1 10 100 1k 10k
I load (mA)
Efficiency (%)
V
IN
= 2.7 V
V
IN
= 3.7 V
V
IN
= 4.2 V
V
IN
= 5 V
V
OUT
= 1.8 V
L = 0.4 µH
f = 2.8 MHz
G004
50
55
60
65
70
75
80
85
90
95
100
100m 1 10 100 1k 10k
I load (mA)
Efficiency (%)
V
IN
= 2.7 V
V
IN
= 3.7 V
V
IN
= 4.2 V
V
IN
= 5 V
V
OUT
= 1.05 V
L = 1.0 µH
f = 1.4 MHz
G005
50
55
60
65
70
75
80
85
90
95
100
100m 1 10 100 1k 10k
I load (mA)
Efficiency (%)
V
IN
= 2.7 V
V
IN
= 3.7 V
V
IN
= 4.2 V
V
IN
= 5 V
V
OUT
= 1.05 V
L = 0.4 µH
f = 2.8 MHz
G006
1.79
1.795
1.8
1.805
1.81
1.815
1.82
1.825
1.83
100m 1 10 100 1k 10k
I load (mA)
Output Voltage (V)
V
IN
= 5.0 V
V
IN
= 4.2 V
V
IN
= 3.7 V
V
OUT
= 1.8 V
L = 1 µH
f = 1.4 MHz
G007
1.79
1.795
1.8
1.805
1.81
1.815
1.82
1.825
1.83
100m 1 10 100 1k 10k
I load (mA)
Output Voltage (V)
V
IN
= 5.0 V
V
IN
= 4.2 V
V
IN
= 3.7 V
V
OUT
= 1.8 V
L = 0.4 µH
f = 2.8 MHz
G008
TPS62090, TPS62091
TPS62092, TPS62093
SLVSAW2A –MARCH 2012–REVISED MARCH 2012 www.ti.com
Figure 4. Efficiency vs Load Current Figure 5. Efficiency vs Load Current
Figure 6. Efficiency vs Load Current Figure 7. Efficiency vs Load Current
Figure 8. Output Voltage vs Load Current Figure 9. Output Voltage vs Load Current
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