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TPS62421 Datasheet(PDF) 11 Page - Texas Instruments

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Part # TPS62421
Description  2.25MHz 600mA/1000mA Dual Step Down Converter In Small 3x3mm QFN Package
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS62421 Datasheet(HTML) 11 Page - Texas Instruments

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0.05
0.1
0.15
0.2
0.25
0.3
2.5
3
3.5
4
4.5
5
5.5
6
V
-V
IN
85°C
25°C
-40°C
IOUT =10mA
VOUT =1.8V20mV/Div
Inductorcurrent100mA/Div
PowerSaveMode
Mode/Data=low
Timebase-10 s/Div
m
IOUT =10mA
VOUT =1.8V20mV/Div
Inductorcurrent100mA/Div
Mode/Data=high,
forcedPWMMODEoperation
Timebase-400ns/Div
VOUT =1.8V
IOUT =400mA
VOUT ripple20mV/Div
Inductorcurrent200mA/Div
PWMMODEOPERATION
Timebase-200ns/Div
TPS62420, TPS62421
www.ti.com
SLVS676C – JUNE 2006 – REVISED JUNE 2010
LIGHT LOAD OUTPUT VOLTAGE RIPPLE
RDSON NMOS vs VIN
IN POWER SAVE MODE
Figure 13.
Figure 14.
OUTPUT VOLTAGE RIPPLE
OUTPUT VOLTAGE RIPPLE
IN FORCED PWM MODE
IN PWM MODE
Figure 15.
Figure 16.
Copyright © 2006–2010, Texas Instruments Incorporated
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Product Folder Link(s): TPS62420 TPS62421


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