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TPS62242-Q1 Fiches technique(PDF) 10 Page - Texas Instruments

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No de pièce TPS62242-Q1
Description  2.25-MHz 300-mA Step-Down Converter in DDC/TSOT23 Package
Download  21 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS62242-Q1 Fiches technique(HTML) 10 Page - Texas Instruments

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V 3.6Vto4.2V
500mV/Div
IN
V
=1.8V
50mV/Div
I
=250mA
MODE=GND
OUT
OUT
TimeBase-100 s/Div
m
TimeBase-1 s/Div
m
MODE
2V/Div
SW
2V/Div
I
200mA/Div
coil
V =3.6
V
=1.8V
I
=10mA
IN
OUT
OUT
PFMMode
ForcedPWMMode
V
− InputVoltage − 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
T
=85 C
A
o
T
=-40 C
A
o
EN=GND
T
=25 C
A
o
TimeBase-2.5 s/Div
m
MODE
2V/Div
SW
2V/Div
I
200mA/Div
coil
V =3.6
V
=1.8V
I
=10mA
IN
OUT
OUT
PFMMode
ForcedPWMMode
TPS62242-Q1
SLVSB38A – MARCH 2011 – REVISED MARCH 2012
www.ti.com
MODE TRANSITION
PFM LINE TRANSIENT
PFM to PWM
Figure 13.
Figure 14.
SHUTDOWN CURRENT INTO VIN
MODE TRANSITION
vs
PWM to PFM
INPUT VOLTAGE
Figure 15.
Figure 16.
10
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Product Folder Link(s): TPS62242-Q1


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