Datasheet

0.1 1 10 100 1000
I -LoadCurrent-mA
O
0
10
20
30
40
50
60
70
80
90
100
Efficiency-%
V =1.82V
O
V =2.7V
PFM/PWMOperation
I
V =3.6V
PFM/PWMOperation
I
V =4.2V
PFM/PWMOperation
I
V =3.6V
ForcedPWMOperation
I
0
10
20
30
40
50
60
70
80
90
100
Efficiency-%
0.1 1 10 100 1000
I -LoadCurrent-mA
O
V =2.7V
PFM/PWMOperation
I
V =3.6V
PFM/PWMOperation
I
V =4.2V
PFM/PWMOperation
I
V =3.6V
ForcedPWMOperation
I
V =1.2V
O
TPS62620, TPS62621
TPS62622, TPS62623
TPS62624, TPS62625
SLVS848C –JULY 2009– REVISED AUGUST 2011 www.ti.com
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
vs Load current 3, 4, 5, 6
η Efficiency
vs Input voltage 7
Peak-to-peak output ripple voltage vs Load current 8, 9
Combined line/load transient
10, 11
response
12, 13, 14, 15
Load transient response
16, 17, 18, 19, 20, 21
AC load transient response 22, 23
V
O
DC output voltage vs Load current 24, 25
PFM/PWM boundaries 26, 27
I
Q
Quiescent current vs Input voltage 28
f
s
PWM Switching frequency vs Input voltage 29
P-channel MOSFET r
DS(on)
vs Input voltage 30
r
DS(on)
N-channel MOSFET r
DS(on)
vs Input voltage 31
PWM operation 32
Power-save mode operation 33
Mode change response 34, 35
Over-current fault operation 36
Start-up 37
Shutdown 38
EFFICIENCY EFFICIENCY
vs vs
LOAD CURRENT LOAD CURRENT
Figure 3. Figure 4.
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