Datasheet

V − InputVoltage − V
IN
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
2 2.5 3 3.5 4 4.5 5 5.5 6
I -ShutdownCurrentIntoVIN − A
SD
m
T =85 C
A
o
T =-40 C
A
o
EN=GND
T =25 C
A
o
V 3.6V;V 1.8V,I 10
MODE=GND
IN OUT OUT
mA,
L =4.7 H,C =10 F0603,m m
OUT
V 20mV/Div
OUT
I 200mA/Div
COIL
TimeBase 2– s/Divm
SW2V/Div
V 3.6V to 4.2V
500 mV/Div
IN
V = 1.8 V
50 mV/Div
I = 250 mA
MODE = VIN
OUT
OUT
Time Base – 100 s/Divm
TimeBase – 10 s/Divm
V 20mV/Div
OUT
SW2V/Div
I 200mA/Div
COIL
TPS62260-Q1, TPS62261-Q1
TPS62262-Q1, TPS62263-Q1
www.ti.com SLVSA16C –AUGUST 2009–REVISED JULY 2012
LINE TRANSIENT (PWM Mode) TYPICAL OPERATION (PFM Mode)
Figure 27. Figure 28.
SHUTDOWN CURRENT INTO VIN
vs
TYPICAL OPERATION (PFM Mode) INPUT VOLTAGE
Figure 29. Figure 30.
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