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TPS62231 Datasheet(PDF) 6 Page - Texas Instruments

Part # TPS62231
Description  2 MHz / 3 MHz Ultra Small Step Down Converter in 1x1.5 SON Package
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS62231 Datasheet(HTML) 6 Page - Texas Instruments

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VIN
GND
FB
MODE
EN
SW
L =1/2.2 H
m
TPS6223X
V
=2.05Vto6V
IN
C
2.2 F
IN
m
VOUT
C
4.7 F
OUT
m
C :MurataGRM155R60J225ME15D2.2 F0402size
IN
m
C
:MurataGRM188R60J475ME4.7 F0603size,VOUT >=1.8V
C
: Taiyo Yuden AMK105BJ475MV4.7 F0402size,VOUT =1.2V
l:MurataLQM2HPN1R0MJ01 H,LQM2HPN2R2MJ02.2 H,
size2.5x2.0x1.2mm
OUT
OUT
m
m
m
m
3
TPS62230, TPS62231, TPS62232, TPS62233, TPS62234
TPS62235, TPS62236, TPS62237, TPS62238, TPS62239
TPS622310, TPS622311, TPS622312, TPS622313, TPS622314
SLVS941C – APRIL 2009 – REVISED APRIL 2010
www.ti.com
PARAMETER MEASUREMENT INFORMATION
TYPICAL CHARACTERISTICS
Table of Graphs
FIGURE
h
Efficiency
vs Load current
1, 2, 3, 4, 5, 6, 7
h
Efficiency
vs Output Current
8, 9, 10, 11
12, 13, 14, 15,
VO
Output voltage
vs Output current
16, 17
18, 19, 20, 21,
Switching frequency
vs Output current
22, 23, 24, 25,
26, 27
IQ
Quiescent current
vs Ambient temperature
28
ISD
Shutdown current
vs Ambient temperature
29
PMOS Static drain-source on-state resistance
vs Supply voltage and ambient temperature
30
rDS(ON)
NMOS Static drain-source on-state resistance
vs Supply voltage and ambient temperature
31
PSRR
Power supply rejection ratio
vs Frequency
32
Typical operation
33, 34, 35
PFM
36
Line transient response
PWM
37
Mode transition PFM / forced PWM
38
AC - load regulation performance
39, 40, 41
Load transient response
42, 43, 44, 45
Start-up
46, 47
Spurious Output Noise, 12R Load
48
Spurious Output Noise, 100R Load
49
6
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Copyright © 2009–2010, Texas Instruments Incorporated


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