Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

Preview PDF HTML

TPS54122 Datasheet(PDF) 9 Page - Texas Instruments

Part # TPS54122
Description  Dual-Output, 3-A, QuietSupply With Integrated DC-DC Converter and Low-Noise LDO
Download  40 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS54122 Datasheet(HTML) 9 Page - Texas Instruments

Back Button TPS54122 Datasheet HTML 5Page - Texas Instruments TPS54122 Datasheet HTML 6Page - Texas Instruments TPS54122 Datasheet HTML 7Page - Texas Instruments TPS54122 Datasheet HTML 8Page - Texas Instruments TPS54122 Datasheet HTML 9Page - Texas Instruments TPS54122 Datasheet HTML 10Page - Texas Instruments TPS54122 Datasheet HTML 11Page - Texas Instruments TPS54122 Datasheet HTML 12Page - Texas Instruments TPS54122 Datasheet HTML 13Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 9 / 40 page
background image
0.001
0.01
0.1
1
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
Cnr = 0.01 µF
Cnr = 0.1 µF
Cnr = 1 µF
C018
-0.02
-0.015
-0.01
-0.005
0
0.005
2
3
4
5
6
7
8
9
10
Time (25 µs/div)
C014
V
OUT Deviation
V
VIN 3 V to 5V to 3 V (1 V/µs)
0.001
0.01
0.1
1
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
Iout = 50 mA
Iout = 500 mA
Iout = 1.5 A
Iout = 3 A
C016
C018
0.001
0.01
0.1
1
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
Cout = 22 µF
Cout = 47 µF
Cout= 122 µF
C017
0
10
20
30
40
50
60
70
80
90
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
V
LDOIN - VOUT (V)
1 kHz
100 kHz
1 MHz
10 MHz
C023
0
10
20
30
40
50
60
70
80
90
100
10
100
1k
10k
100k
1M
10M
Frequency (Hz)
500 mA
1.5 A
3 A
C020
9
TPS54122
www.ti.com
SBVS221B – NOVEMBER 2013 – REVISED AUGUST 2016
Product Folder Links: TPS54122
Submit Documentation Feedback
Copyright © 2013–2016, Texas Instruments Incorporated
Typical Characteristics (continued)
At VVIN = VBIAS= VLDOEN= 5 V, VLDOIN = DC-DC_OUT = 2.1 V, VO = 1.8 V, IO = 50 mA, VEN = floating, COUT = 100 μF, and CSS =
CNR = 0.01 µF (see Figure 27), unless otherwise noted.
IO = 3 A
Figure 7. LDO Power-Supply Ripple Rejection vs
LDO Dropout Voltage
Figure 8. LDO Power-Supply Ripple Rejection vs
Frequency
COUT = 122 µF, CNR = 1 µF, RMS noise = 100 Hz to 100 kHz,
50-mA IO = 9 µVRMS, 500-mA IO = 11 µVRMS, 1.5-A IO = 11 µVRMS,
3-A IO = 10 µVRMS
Figure 9. Output Spectral Noise Density vs Frequency
(LDO Powered by DC-DC)
CNR = 1 µF, RMS noise = 100 Hz to 100 kHz,
22-µF COUT = 10 µVRMS, 47-µF COUT = 9 µVRMS,
122-µF COUT = 9 µVRMS
Figure 10. Output Spectral Noise Density vs Frequency
(LDO Powered by DC-DC)
COUT = 122 µF, RMS noise = 100 Hz to 100 kHz,
0.01-µF CNR = 33 µVRMS, 0.1-µF CNR = 33 µVRMS,
1-µF CNR = 9 µVRMS
Figure 11. Output Spectral Noise Density vs Frequency
(LDO Powered by DC-DC)
Figure 12. LDO Line Transient Response


Similar Part No. - TPS54122

ManufacturerPart #DatasheetDescription
logo
Texas Instruments		 TPS54122 TI-TPS54122 Datasheet
2Mb / 40P		 [Old version datasheet]   TPS54122-Q1 Dual-Output, 3-A, QuietSupply??with Integrated DC-DC Converter and Low-Noise LDO
TPS54122-Q1 TI-TPS54122-Q1 Datasheet
2Mb / 40P		 [Old version datasheet]   TPS54122-Q1 Dual-Output, 3-A, QuietSupply??with Integrated DC-DC Converter and Low-Noise LDO
TPS54122-Q1 TI-TPS54122-Q1_15 Datasheet
2Mb / 40P		 [Old version datasheet]   TPS54122-Q1 Dual-Output, 3-A, QuietSupply??with Integrated DC-DC Converter and Low-Noise LDO
TPS54122QRHLRQ1 TI-TPS54122QRHLRQ1 Datasheet
2Mb / 40P		 [Old version datasheet]   TPS54122-Q1 Dual-Output, 3-A, QuietSupply??with Integrated DC-DC Converter and Low-Noise LDO
TPS54122RHLR TI1-TPS54122RHLR Datasheet
2Mb / 30P		 [Old version datasheet]   Dual-Output 3-A Quiet Supply with Integrated DC-DC Converter and Low-Noise LDO
More results

Similar Description - TPS54122

ManufacturerPart #DatasheetDescription
logo
Texas Instruments		 TPS54122-Q1 TI-TPS54122-Q1_15 Datasheet
2Mb / 40P		 [Old version datasheet]   TPS54122-Q1 Dual-Output, 3-A, QuietSupply??with Integrated DC-DC Converter and Low-Noise LDO
TPS54122RHLT TI1-TPS54122RHLT Datasheet
2Mb / 30P		 [Old version datasheet]   Dual-Output 3-A Quiet Supply with Integrated DC-DC Converter and Low-Noise LDO
logo
Cypress Semiconductor		 MB39C022G CYPRESS-MB39C022G Datasheet
809Kb / 29P		    Buck DC/DC Converter Low Noise LDO
logo
Texas Instruments		 SLVA343A TI-SLVA343A Datasheet
380Kb / 8P		 [Old version datasheet]   Medium Integrated Power Solution Using a Dual DC/DC Converter and an LDO
logo
Wall Industries,Inc.		 DCMIE03-HI WALL-DCMIE03-HI Datasheet
336Kb / 6P		    3 Watts DC/DC Converter Single and Dual Output
DCMID03 WALL-DCMID03 Datasheet
319Kb / 5P		    3 Watts DC/DC Converter Single and Dual Output
LANCY3 WALL-LANCY3 Datasheet
293Kb / 5P		    3 Watts DC/DC Converter Single and Dual Output
DCMFW03 WALL-DCMFW03 Datasheet
296Kb / 5P		    3 Watts DC/DC Converter Single and Dual Output
logo
Bothhand USA, LP.		 B3-0515D3-LF BOTHHAND-B3-0515D3-LF Datasheet
918Kb / 6P		    3 Watt Dual Output DC-DC Converter
B3-0515D3LF BOTHHAND-B3-0515D3LF Datasheet
918Kb / 6P		    3 Watt Dual Output DC-DC Converter
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com