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TPS62262DDCR Datasheet(PDF) 5 Page - Texas Instruments

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Part # TPS62262DDCR
Description  2.25 MHz 600 mA Step Down Converter in 2x2 QFN / TSOT-23 Package
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS62262DDCR Datasheet(HTML) 5 Page - Texas Instruments

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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,110m
C
GRM188R60J475K4.7 FMurata0603size
C
m
W
m
IN
OUT GRM188R60J106M10
FMurata0603size
m
TPS62260, TPS62261
TPS62262, TPS62263
www.ti.com
SLVS763D
– JUNE 2007 – REVISED FEBRUARY 2011
PARAMETER MEASUREMENT INFORMATION
TYPICAL CHARACTERISTICS
Table 1. Table of Graphs
FIGURE
Output Current VOUT = 1.8 V, Power Save Mode, MODE = GND
Figure 1
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, MODE = GND
Figure 4
Output Current
Figure 5
Output Current
Figure 6
at 25
°C, VOUT = 1.8 V, Power Save Mode, MODE = GND
Figure 7
at
–40°C, VOUT = 1.8 V, Power Save Mode, MODE = GND
Figure 8
at 85
°C, VOUT = 1.8 V, Power Save Mode, MODE = GND
Figure 9
Output Voltage Accuracy
at 25
°C, VOUT = 1.8 V, PWM Mode, MODE = VIN
Figure 10
at
–40°C, VOUT = 1.8 V, PWM Mode, MODE = VIN
Figure 11
at 85
°C, VOUT = 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 PWM Mode at light load
Figure 14
Mode Transition
MODE Pin Transition From PWM to PFM Mode at light load
Figure 15
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
Forced PWM Mode, VOUT = 1.8 V, 250 mA
Figure 27
PFM VOUT Ripple, VOUT = 1.8 V, 10 mA, L = 2.2μH, COUT = 10μF
Figure 28
Typical Operation
PFM VOUT Ripple, VOUT = 1.8 V, 10 mA, L = 4.7μH, COUT = 10μF
Figure 29
Shutdown Current into VIN
vs Input Voltage, (TA = 85°C, TA = 25°C, TA = -40°C)
Figure 30
Quiescent Current
vs Input Voltage, (TA = 85°C, TA = 25°C, TA = -40°C)
Figure 31
© 2007–2011, Texas Instruments Incorporated
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Product Folder Link(s): TPS62260 TPS62261 TPS62262 TPS62263


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