Datasheet

V
IN
3.6Vto4.2V
500mV/Div
V =1.8V
50mV/Div
I =50mA
MODE=GND
OUT
OUT
V 3.6V
V 1.5V
I 50
MODE=GND
IN
OUT
OUT
mA to400mA
V 50mV/Div
OUT
I 500mA/Div
COIL
TimeBase 20– s/Divm
SW2V/Div
I 500mA/Div
OUT
50mA
400mA
PFMMode
PWMMode
TimeBase – 10 s/Divm
V 20mV/Div
OUT
SW2V/Div
I 200mA/Div
COIL
V 3.6Vto4.2V
500mV/Div
IN
V =1.8V
50mV/Div
I =250mA
MODE=GND
OUT
OUT
TimeBase – 100 s/Divm
TPS62250
www.ti.com .......................................................................................................................................................................................... SLVS842 – SEPTEMBER 2008
LOAD TRANSIENT
(PWM Mode To PFM Mode) LINE TRANSIENT (PFM Mode)
Figure 25. Figure 26.
LINE TRANSIENT (PWM Mode) TYPICAL OPERATION (PFM Mode)
Figure 27. Figure 28.
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