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TPS62243DRVTG4 Datasheet(PDF) 5 Page - Texas Instruments

No. de Pieza. TPS62243DRVTG4
Descripción  2.25 MHz 300 mA Step Down Converter in 2x2SON/TSOT23 Package
Descarga  29 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS62243DRVTG4 Datasheet(HTML) 5 Page - Texas Instruments

 
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PARAMETER MEASUREMENT INFORMATION
V IN
GND
EN
FB
SW
TPS62240DVR
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,110m
C
GRM188R60J475K4.7 FMurata0603size
C
m
W
m
IN
OUT GRM188R60J106M10
FMurata0603size
m
TYPICAL CHARACTERISTICS
TPS62240, TPS62242, TPS62243
SLVS762B – JUNE 2007 – REVISED SEPTEMBER 2007
Table of Graphs
FIGURE
vs Output current, Power Save Mode
Figure 1
vs Output current, Forced PWM Mode
Figure 2
Efficiency
vs Output current
Figure 3
vs Output current
Figure 4
vs Output current, TA = 25°C, Mode = GND
Figure 5
vs Output current, TA = –40°C, Mode = GND
Figure 6
vs Output current, TA = 85°C, Mode = GND
Figure 7
Output voltage accuracy
vs Output current, TA = 25°C, Mode = VI
Figure 8
vs Output current, TA = 85°C, Mode = GND
Figure 9
vs Output current, TA = –40°C, Mode = VI
Figure 10
Startup timing
Figure 11
PWM Mode with VO = 1.8V
Figure 12
Typical operation
PFM Mode with VO = 1.8V
Figure 13
PFM Mode Ripple
Figure 14
1 mA to 50 mA with VO = 1.8V
Figure 15
PFM load transient
20 mA to 200 mA with VO = 1.8V
Figure 16
50 mA to 200 mA with VO = 1.8V
Figure 17
IO = 50 mA, 3.6V to 4.2V
Figure 18
PFM line transient
IO= 250 mA, 3.6V to 4.2V
Figure 19
PFM to PWM
Figure 20
Mode transition
PWM to PFM
Figure 21
Shutdown Current into VIN
vs Input Voltage, (TA = 85°C, TA = 25°C, TA = -40°C)
Figure 22
Quiescent Current
vs Input Voltage, (TA = 85°C, TA = 25°C, TA = -40°C)
Figure 23
Figure 24
Static Drain-Source On-State
vs Input Voltage, (TA = 85°C, TA = 25°C, TA = -40°C)
Resistance
Figure 25
Copyright © 2007, Texas Instruments Incorporated
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Product Folder Link(s): TPS62240 TPS62242 TPS62243


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