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TPS62260DDCRG4 Datasheet(PDF) 5 Page - Texas Instruments

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Part # TPS62260DDCRG4
Description  2.25 MHz 600 mA Step Down Converter in 2x2SON/TSOT-23 Package
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS62260DDCRG4 Datasheet(HTML) 5 Page - Texas Instruments

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PARAMETER MEASUREMENT INFORMATION
V IN
GND
EN
FB
SW
TPS62260DVR
R1
R2
VOUT
MODE
C
4.7 F
IN
m
L
2.2 H
m
C
22pF
1
C
10 F
OUT
m
L:LPS30152.2 H,110
C
GRM188R60J475K4.7 FMurata0603size
C
m
mW
m
IN
OUT GRM188R60J106M10
FMurata0603size
m
TYPICAL CHARACTERISTICS
TPS62260, TPS62261, TPS62262
SLVS763 – JUNE 2007
Table of Graphs
FIGURE
Output Current VOUT = 1.8 V, Power Save Mode, MODE =
Figure 1
GND
Output Current VOUT = 1.8 V, PWM Mode, MODE = VIN
Figure 2
Output Current VOUT = 3.3 V, PWM Mode, MODE = VIN
Figure 3
η
Efficiency
Output Current VOUT = 3.3 V, Power Save Mode,
Figure 4
MODE = GND
Output Current
Figure 5
Output Current
Figure 6
at 25
°C, V
OUT = 1.8 V, Power Save Mode, MODE = GND
Figure 7
at –40
°C, V
OUT = 1.8 V, Power Save Mode, MODE = GND
Figure 8
at 85
°C, V
OUT = 1.8 V, Power Save Mode, MODE = GND
Figure 9
Output Voltage Accuracy
at 25
°C, V
OUT = 1.8 V, PWM Mode, MODE = VIN
Figure 10
at –40
°C, V
OUT = 1.8 V, PWM Mode, MODE = VIN
Figure 11
at 85
°C, V
OUT = 1.8 V, PWM Mode, MODE = VIN
Figure 12
Typical Operation
PWM Mode, VOUT = 1.8 V
Figure 13
MODE Pin Transition From PFM to Forced PWM Mode at
Figure 14
light load
Mode Transition
MODE Pin Transition From Forced PWM to PFM Mode at
Figure 15
light load
Start-up Timing
Figure 16
Forced PWM Mode , VOUT = 1.5 V, 50 mA to 200 mA
Figure 17
Forced PWM Mode , VOUT = 1.5 V, 200 mA to 400 mA
Figure 18
PFM Mode to PWM Mode, VOUT = 1.5 V, 150 µA to 400 mA
Figure 19
PWM Mode to PFM Mode, VOUT = 1.5 V, 400 mA to 150 µA
Figure 20
Load Transient
PFM Mode, VOUT = 1.5 V, 1.5 mA to 50 mA
Figure 21
PFM Mode, VOUT = 1.5 V, 50 mA to 1.5 mA
Figure 22
PFM Mode to PWM Mode, VOUT = 1.8 V, 50 mA to 250 mA
Figure 23
PFM Mode to PWM Mode, VOUT = 1.5 V, 50 mA to 400 mA
Figure 24
PWM Mode to PFM Mode, VOUT = 1.5 V, 400 mA to 50 mA
Figure 25
PFM Mode, VOUT = 1.8 V, 50 mA
Figure 26
Line Transient
PFM Mode, VOUT = 1.8 V, 250 mA
Figure 27
5
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