Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  

TPS40055PWPR Datasheet(PDF) 11 Page - Texas Instruments

Click here to check the latest version.
Part # TPS40055PWPR
Description  WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER
Download  35 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS40055PWPR Datasheet(HTML) 11 Page - Texas Instruments

Back Button TPS40055PWPR Datasheet HTML 7Page - Texas Instruments TPS40055PWPR Datasheet HTML 8Page - Texas Instruments TPS40055PWPR Datasheet HTML 9Page - Texas Instruments TPS40055PWPR Datasheet HTML 10Page - Texas Instruments TPS40055PWPR Datasheet HTML 11Page - Texas Instruments TPS40055PWPR Datasheet HTML 12Page - Texas Instruments TPS40055PWPR Datasheet HTML 13Page - Texas Instruments TPS40055PWPR Datasheet HTML 14Page - Texas Instruments TPS40055PWPR Datasheet HTML 15Page - Texas Instruments Next Button
Zoom Inzoom in Zoom Outzoom out
 11 / 35 page
background image
L +
V
IN * VO
V
O
V
IN
DI
f
SW
(Henries)
2
4
6
8
12
10
V
IN – Input Voltage – V
2
1
5
4
6
3
110°C
– 55°C
25°C
2
4
6
8
12
10
V
IN – Input Voltage – V
2
0
8
6
10
4
110°C
– 55°C
25°C
1
7
5
9
3
TPS40054
TPS40055
TPS40057
www.ti.com
SLUS593H – DECEMBER 2003 – REVISED JULY 2012
BP5 AND BP10 INTERNAL VOLTAGE REGULATORS
Start-up characteristics of the BP5 and BP10 regulators over different temperature ranges are shown in Figure 7
and Figure 8. Slight variations in the BP5 occurs dependent upon the switching frequency. Variation in the BP10
regulation characteristics is also based on the load presented by switching the external MOSFETs.
INPUT VOLTAGE
INPUT VOLTAGE
vs
vs
BP5 VOLTAGE
BP10 VOLTAGE
Figure 7.
Figure 8.
SELECTING THE INDUCTOR VALUE
The inductor value determines the magnitude of ripple current in the output capacitors as well as the load current
at which the converter enters discontinuous mode. Too large an inductance results in lower ripple current but is
physically larger for the same load current. Too small an inductance results in larger ripple currents and a greater
number of (or more expensive output capacitors for) the same output ripple voltage requirement. A good
compromise is to select the inductance value such that the converter doesn't enter discontinuous mode until the
load approximated somewhere between 10% and 30% of the rated output. The inductance value is described in
Equation 5.
where
VO is the output voltage
ΔI is the peak-to-peak inductor current
(5)
Copyright © 2003–2012, Texas Instruments Incorporated
Submit Documentation Feedback
11
Product Folder Link(s): TPS40054 TPS40055 TPS40057


Similar Part No. - TPS40055PWPR

ManufacturerPart #DatasheetDescription
logo
Texas Instruments
TPS40055PWPR TI1-TPS40055PWPR Datasheet
1Mb / 35P
[Old version datasheet]   WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER
TPS40055PWPR TI1-TPS40055PWPR Datasheet
1Mb / 39P
[Old version datasheet]   Wide-Input Synchronous Buck Controller
TPS40055PWPRG4 TI1-TPS40055PWPRG4 Datasheet
1Mb / 39P
[Old version datasheet]   Wide-Input Synchronous Buck Controller
More results

Similar Description - TPS40055PWPR

ManufacturerPart #DatasheetDescription
logo
Texas Instruments
TPS40050 TI-TPS40050 Datasheet
275Kb / 30P
[Old version datasheet]   WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER
TPS40054 TI1-TPS40054_14 Datasheet
1Mb / 37P
[Old version datasheet]   WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER
TPS40060 TI-TPS40060 Datasheet
373Kb / 28P
[Old version datasheet]   WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER
TPS40050-Q1 TI-TPS40050-Q1 Datasheet
345Kb / 32P
[Old version datasheet]   WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER
TPS40055-EP TI-TPS40055-EP_15 Datasheet
2Mb / 35P
[Old version datasheet]   WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER
TPS40052 TI-TPS40052 Datasheet
452Kb / 30P
[Old version datasheet]   WIDE INPUT SYNCHRONOUS BUCK CONTROLLER
TPS40060EVM TI1-TPS40060EVM Datasheet
1Mb / 37P
[Old version datasheet]   WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER
TPS40052PWPR TI-TPS40052PWPR Datasheet
851Kb / 33P
[Old version datasheet]   WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER
TPS40060 TI1-TPS40060_17 Datasheet
1Mb / 39P
[Old version datasheet]   WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER
TPS40055-EP TI1-TPS40055-EP Datasheet
2Mb / 36P
[Old version datasheet]   WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER
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


Datasheet Download

Go To PDF Page


Link URL




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

About Alldatasheet   |   Advertisement   |   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