Datasheet

TimeBase-1 s/Divm
MODE
2V/Div
SW
2V/Div
I
200mA/Div
coil
V =3.6V
V =1.8V
I =10mA
IN
OUT
OUT
PFMMode
ForcedPWMMode
TimeBase-10 s/Divm
V 3.6V
V 1.8V,I 150mA
L 2.2 H,C 10 F0603
IN
OUT OUT
OUT
m m
V 10mV/Div
OUT
SW2V/Div
I
COIL
200mA/Div
1.746
1.764
1.782
1.8
1.818
1.836
1.854
V -OutputVoltageDC-V
O
0.01 0.1 1 10 100 1000
I -OutputCurrent-mA
O
V =2V
IN
V =2.7V
V =3V
V =3.6V
V =4.5V
IN
IN
IN
IN
T =-40°C,
V =1.8V,
MODE=V ,
L =2.2 H
A
OUT
IN
m
1.746
1.764
1.782
1.8
1.818
1.836
1.854
V -OutputVoltageDC-V
O
0.01 0.1 1 10 100 1000
I -OutputCurrent-mA
O
V =2.3V
IN
V =2.7V
V =3V
V =3.6V
V =4.5V
IN
IN
IN
IN
T =85°C,
V =1.8V,
MODE=V ,
L =2.2 H
A
OUT
IN
m
TPS62260-Q1, TPS62261-Q1
TPS62262-Q1, TPS62263-Q1
www.ti.com SLVSA16C –AUGUST 2009–REVISED JULY 2012
OUTPUT VOLTAGE ACCURACY (PWM Mode) OUTPUT VOLTAGE ACCURACY (PWM Mode)
vs vs
OUTPUT CURRENT OUTPUT CURRENT
Figure 11. Figure 12.
MODE PIN TRANSITION FROM PFM
TYPICAL OPERATION (PWM Mode) TO FORCED PWM MODE AT LIGHT LOAD
Figure 13. Figure 14.
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