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TPS560200DBVR Datasheet(PDF) 12 Page - Texas Instruments

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No. de Pieza. TPS560200DBVR
Descripción  4.5-V to 17-V Input, 500-mA Synchronous Step-Down Converter
Descarga  22 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS560200DBVR Datasheet(HTML) 12 Page - Texas Instruments

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V
= 50 mV/div (ac coupled)
OUT
I
= 200 mA/div
OUT
Time = 200 µs/div
125 mA to 375 mA load step
slew rate = 500 mA / µsec
-180
-120
-60
0
60
120
180
-60
-40
-20
0
20
40
60
100
1000
10000
100000
1000000
Frequency - Hz
C019
Gain
Phase
±1.5
±1.0
±0.5
0.0
0.5
1.0
1.5
0.0
0.1
0.2
0.3
0.4
0.5
Output Current - A
V
IN = 5 V
V
IN = 12 V
C017
±0.50
±0.40
±0.30
±0.20
±0.10
0.00
0.10
0.20
0.30
0.40
0.50
4
6
8
10
12
14
16
18
Input Voltage - V
C018
I
OUT = 0.25 A
0
10
20
30
40
50
60
70
80
90
100
0.0
0.1
0.2
0.3
0.4
0.5
Output Current - A
V
IN = 12 V
V
IN = 5 V
C015
0
10
20
30
40
50
60
70
80
90
0.001
0.01
0.1
1
Output Current - A
C016
V
IN = 12 V
V
IN = 5 V
12
TPS560200
SLVSC81C – SEPTEMBER 2013 – REVISED FEBRUARY 2016
www.ti.com
Product Folder Links: TPS560200
Submit Documentation Feedback
Copyright © 2013–2016, Texas Instruments Incorporated
8.2.2.3 Input Capacitor Selection
The TPS560200 requires an input decoupling capacitor and a bulk capacitor is needed depending on the
application. A ceramic capacitor over 10
μF is recommended for the decoupling capacitor. An additional 0.1-µF
capacitor (C2) from pin 4 to ground is optional to provide additional high frequency filtering. The capacitor voltage
rating must be greater than the maximum input voltage.
8.2.3 Application Curves
VIN = 12 V, VOUT = 1.05 V, TA = 25°C (unless otherwise noted).
Figure 8. Efficiency
Figure 9. Light-Load Efficiency
Figure 10. Load Regulation
Figure 11. Line Regulation
Figure 12. Loop Response, IOUT = 0.25 A
Figure 13. Transient Response, 25% to 75% Load Step


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