Datasheet

I -200mA/div
O
t-Time-10µs/div
V -20mV/div-1.2VOffset
O
I -200mA/div
L
10to375mA LoadSweep
V =3.6V,
V =1.2V
I
O
MODE=Low
0.1 1 10 100 1000
I -LoadCurrent-mA
O
V -DCOutputVoltage-V
O
V =2.5V
I
V =3.6V
I
1.764
1.782
1.8
1.818
1.836
V =1.8V(TPS62660)
O
V =4.8V
I
PFM/PWMOperation, V =3.6V
I
0.1 1 10 100 1000
I -LoadCurrent-mA
O
1.176
1.188
1.2
1.212
1.224
V -DCOutputVoltage-V
O
V =1.2V
O
V =4.8V
I
V =3.6V
I
PFM/PWMOperation
V =2.5V
I
V =3.6V
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 =1.8V(TPS62660)
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
TPS62660, TPS62665
SLVS871C –FEBRUARY 2010– REVISED JULY 2011 www.ti.com
TYPICAL CHARACTERISTICS (continued)
DC OUTPUT VOLTAGE
vs
AC LOAD TRANSIENT RESPONSE LOAD CURRENT
Figure 25. Figure 26.
DC OUTPUT VOLTAGE
vs
LOAD CURRENT PFM/PWM BOUNDARIES
Figure 27. Figure 28.
12 Copyright © 2010–2011, Texas Instruments Incorporated