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TPS62087RLT Datasheet(PDF) 5 Page - Texas Instruments

No. de pieza TPS62087RLT
Descripción Electrónicos  3-A Step-Down Converter with Hiccup Short Circuit Protection in 2x2 QFN Package
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
Logo TI1 - Texas Instruments

TPS62087RLT Datasheet(HTML) 5 Page - Texas Instruments

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TPS62085
2.5V to 6V
R1
80.6k
R2
162k
V
IN
POWER GOOD
VOS
FB
VIN
GND
EN
SW
PG
C2
22µF
R3
1M
V
OUT
1.2V/3A
L1
0.47µH
C1
10µF
TPS62085
TPS62086
TPS62087
www.ti.com
SLVSB70 – OCTOBER 2013
TYPICAL CHARACTERISTICS
Measurement Application Circuit
List of Components
REFERENCE
DESCRIPTION
MANUFACTURER
C1
10 µF, Ceramic Capacitor, 6.3 V, X7R, size 0805, GRM21BR71A106ME51L
Murata
C2
22 µF, Ceramic Capacitor, 6.3 V, X5R, size 0805, GRM21BR60J226ME39L
Murata
L1
0.47 µH, Power Inductor, size 4x4x1.5 mm, XFL4015-471ME
Coilcraft
R1
Depending on the output voltage, 1%, size 0603; 0
Ω for TPS62086, TPS62087
Std
R2
162 k
Ω, Chip Resistor, 1/16 W, 1%, size 0603; open for TPS62086, TPS62087
Std
R3
1 M
Ω, Chip Resistor, 1/16 W, 1%, size 0603
Std
Table of Graphs
VIN = 3.6 V, VOUT = 1.2 V, TA = 25 ºC, unless otherwise noted
Figure
TPS62085, VOUT = 0.95 V
Figure 3
TPS62085, VOUT = 1.2 V
Figure 4
Efficiency
TPS62086, VOUT = 3.3 V
Figure 5
TPS62087, VOUT = 1.8 V
Figure 6
Line Regulation
TPS62085
Figure 7
Load Regulation
TPS62085
Figure 8
Switching Frequency
TPS62085
Figure 9
TPS62085, PWM Operation (Load = 3 A)
Figure 10
TPS62085, PFM Operation (Load = 100 mA)
Figure 11
TPS62085, Load Sweep (Load = Open to 3 A)
Figure 12
TPS62085, Startup (Load = 0.47
Ω)
Figure 13
TPS62085, Startup (Load = Open)
Figure 14
TPS62085, Shutdown (Load = 0.47
Ω)
Figure 15
Waveforms
TPS62085, Shutdown (Load = Open)
Figure 16
TPS62085, Load Transient (Load = 0.5 A to 3 A)
Figure 17
TPS62085, Load Transient (Load = 50 mA to 3 A)
Figure 18
TPS62085, Output Short Circuit Protection (Load = 0.47
Ω, Entry)
Figure 19
TPS62085, Output Short Circuit Protection (Load = 0.47
Ω, Recovery)
Figure 20
TPS62085, Output Short Circuit Protection (Load = 0.47
Ω, HICCUP Zoom In)
Figure 21
Copyright © 2013, Texas Instruments Incorporated
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Product Folder Links: TPS62085 TPS62086 TPS62087


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