Datasheet

1.176
1.188
1.2
1.212
1.224
0.1 1 10 100 1000
I -LoadCurrent-mA
O
V -DCOutputVoltage-V
O
V =1.2V
O
V =2.5V,PFM/PWMOperation
I
V =3.6V,PFM/PWMOperation
I
V =3.6V,PWMOperation
I
V =4.8V,PFM/PWMOperation
I
0
20
40
60
80
100
120
140
160
180
200
220
2.5 2.8 3.1 3.4 3.7 4.0 4.3 4.6 5.5
V -InputVoltage-V
I
I -LoadCurrent-mA
O
V =1.82V
O
AlwaysPWM
AlwaysPFM
PFMtoPWM
ModeChange
PWMtoPFM
ModeChange
TheSwitchingMode
ChangesatTheseBorders
4.9 5.2
0
5
10
15
20
25
30
35
40
45
50
2.5 2.8 3.1 3.4 3.7 4.6 4.9 5.2 5.5
V -InputVoltage-V
I
I -QuiescentCurrent- A
Q
m
T =85°C
A
T =25°C
A
T =-40°C
A
4.34.0
0
20
40
60
80
100
120
140
160
180
200
220
240
260
2.5 2.8 3.1 3.4 3.7 4.0 4.3 4.6 5.5
V -InputVoltage-V
I
V =1.2V
O
AlwaysPWM
AlwaysPFM
PFMtoPWM
ModeChange
PWMtoPFM
ModeChange
I -LoadCurrent-mA
O
4.9 5.2
TheSwitchingMode
ChangesatTheseBorders
TPS62620, TPS62621
TPS62622, TPS62623
TPS62624, TPS62625
SLVS848C –JULY 2009– REVISED AUGUST 2011 www.ti.com
TYPICAL CHARACTERISTICS (continued)
DC OUTPUT VOLTAGE
vs
LOAD CURRENT PFM/PWM BOUNDARIES
Figure 25. Figure 26.
QUIESCENT CURRENT
vs
PFM/PWM BOUNDARIES INPUT VOLTAGE
Figure 27. Figure 28.
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