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TPS65321QPWPRQ1 Datasheet(PDF) 30 Page - Texas Instruments

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No. de Pieza. TPS65321QPWPRQ1
Descripción  Step-Down Converter With Eco-mode and LDO Regulator
Descarga  42 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS65321QPWPRQ1 Datasheet(HTML) 30 Page - Texas Instruments

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Output Current (A)
fsw = 300kHz
fsw = 2MHz
C001
f
S = 300 kHz
f
S = 2 MHz
EN2
LDO_out
I_load
5 V/div
2 V/div
200
/
mA div
LDO_out
I_load
50 mV/div
200 mA/div
Buck_out
I_load
200 mV/div
1 A/div
EN1
Buck_out
SS
I_load
5 V/div
1 V/div
1 V/div
200 mA/div
TPS65321-Q1
SLVSCF0A – OCTOBER 2015 – REVISED DECEMBER 2015
www.ti.com
8.2.1.3 Application Curves
100 µs/div
ƒS = 2 MHz
Buck Output Voltage = 5 V
1 ms/div
Figure 17. Buck Regulator Output at Load Transient
Figure 18. Buck-Regulator Startup Operation
(200 mA to 3 A)
400 µs/div
10 µs/div
V(LDO_OUT) = 5 V
Figure 19. LDO Regulator Startup Operation
Figure 20. LDO-Regulator Output at Load Transient
(50 mA to 300 mA)
Figure 21. Buck Efficiency Versus Output Current
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Product Folder Links: TPS65321-Q1


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