Datasheet

V =1.8V
20mV/div
OUT
C =4.7 F
L =2.2 H
MODE=V
OUT
IN
m
m
I =50mA
OUT
t-Time-100 m
s/div
V =3.6Vto4.2V
200mV/div
IN
V =1.8V
20mV/div
OUT
t-Time-1 ms/div
MODE:0Vto3.6V
2V/div
I
200mA/div
COIL
V
2V/div
SW
PFMModeOperation
ForcedPWM
ModeOperation
C =4.7 F
L =1 H
V =3.6V,
IN
OUT
m
m
I =10mA
OUT
V =1.8V
20mV/div
OUT
C =4.7 F
L =2.2 H
MODE=GND
OUT
m
m
I =50mA
OUT
t-Time-10 ms/div
V =3.6Vto4.2V
200mV/div
IN
V =2.5V
20mV/div
OUT
SW
2V/div
I
200mA/div
L
V =3.6V
C =4.7 F
L =1 H
IN
OUT
m
m
t-Time-500ns/div
MODE=V
I =10mA
IN
OUT
TPS62230, TPS62231, TPS62232, TPS62233, TPS62234, TPS62235, TPS62236
TPS62237, TPS62238, TPS62239, TPS622310, TPS622311, TPS622312
TPS622313, TPS622314, TPS622315, TPS622316, TPS622317, TPS622318
SLVS941E –APRIL 2009–REVISED DECEMBER 2010 www.ti.com
TYPICAL CHARACTERISTICS (continued)
Figure 37. Forced PWM Mode Operation I
OUT
= 10mA Figure 38. Line Transient Response PFM Mode
Figure 39. Line Transient Response PWM Mode Figure 40. Mode Transition PFM / Forced PWM Mode
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