Motore di ricerca datesheet componenti elettronici
  Italian  ▼
ALLDATASHEETIT.COM

X  

SD25-470-R Scheda tecnica(PDF) 2 Page - Cooper Bussmann, Inc.

Il numero della parte SD25-470-R
Spiegazioni elettronici  Switching Regulators
Download  4 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Produttore elettronici  COOPER [Cooper Bussmann, Inc.]
Homepage  http://www.cooperbussmann.com
Logo COOPER - Cooper Bussmann, Inc.

SD25-470-R Scheda tecnica(HTML) 2 Page - Cooper Bussmann, Inc.

  SD25-470-R Datasheet HTML 1Page - Cooper Bussmann, Inc. SD25-470-R Datasheet HTML 2Page - Cooper Bussmann, Inc. SD25-470-R Datasheet HTML 3Page - Cooper Bussmann, Inc. SD25-470-R Datasheet HTML 4Page - Cooper Bussmann, Inc.  
Zoom Inzoom in Zoom Outzoom out
 2 / 4 page
background image
Inductor Selection: Buck Converters
FFiigguurree 2
2 A
Apppplliiccaattiioonn P
Paarraam
meetteerrss::
• Switching frequency= 250kHz
• Input voltage range= 12V±10%
• Max ripple current = 220mA
• Output Voltage= 5.0V
S
Stteepp 1
1.. C
Caallccuullaattee tthhee D
Duuttyy C
Cyyccllee
•Vo = output voltage
•Vi = Max input voltage
•D = Vo / Vi
• D = 5/13.2 = 0.379
S
Stteepp 2
2.. C
Caallccuullaattee tthhee V
Voollttaaggee A
Accrroossss tthhee IInndduuccttaannccee
•V1 = Vi-Vo (Switch on)
•V1 = 13.2 - 5 = 8.2V
•V1 = -Vo (Switch off)
•V1 = - Vo = - 5V
S
Stteepp 3
3.. C
Caallccuullaattee tthhee R
Reeqquuiirreedd IInndduuccttaannccee
•L = Vl.dt/di
• L = (8.2 x 0.379/250 x 10
3)/0.22
• L = 56
μH
Inductor Selection: Boost Converters
FFiigguurree 3
3 A
Apppplliiccaattiioonn P
Paarraam
meetteerrss::
• Switching frequency= 100kHz
• Input voltage range= 4.5-5.5V
• Max ripple current = 100mA
• Output Voltage= 12.0V
S
Stteepp 1
1.. C
Caallccuullaattee tthhee D
Duuttyy C
Cyyccllee::
•Vo= output voltage
•Vi = Max input voltage
• D = 1 - (Vi / Vo)
• D = 1 – (5.5/12.0) = 0.542
S
Stteepp 2
2.. C
Caallccuullaattiinngg tthhee vvoollttaaggee aaccrroossss tthhee iinndduuccttaannccee
•V1 = Vi (Switch on)
•V1 = 5.5V
•V1 = Vo – Vi (Switch off)
•V1 = 12 – 5.5 = 6.5V
S
Stteepp 3
3.. C
Caallccuullaattiinngg tthhee rreeqquuiirreedd iinndduuccttaannccee
•L = Vl.dt/di
• L= (5.5 x 0.542/100 x 10
3)/0.1
• L= 298
μH
5V
Output
Voltage
Output
Cap
Buck
Inductor
Freewheeling
Diode
Switch
12V
Input
Voltage
Figure 2:
Buck Inductor Example
12V
Output
Voltage
Output
Cap
5V
Input
Voltage
Figure 3:
Boost Inductor Example
Switch
Diode
Boost
Inductor
Typical Applications Using Inductors for Switching Regulators
Media Players
Backlight Displays
Laptop Computers
Industrial Test Equipment
Digital Cameras
Mobile Phones


Codice articolo simile - SD25-470-R

Produttore elettroniciIl numero della parteScheda tecnicaSpiegazioni elettronici
logo
Cooper Bussmann, Inc.
SD25-470-R COOPER-SD25-470-R Datasheet
309Kb / 7P
   SD Series High Power Density, Low Profile, Shielded Inductors
SD25-470-R COOPER-SD25-470-R Datasheet
309Kb / 7P
   SD Series High Power Density, Low Profile, Shielded Inductors
logo
Eaton All Rights Reserv...
SD25-470-R EATON-SD25-470-R Datasheet
746Kb / 9P
   Low profile metalized shielded drum core power inductors
More results

Descrizione simile - SD25-470-R

Produttore elettroniciIl numero della parteScheda tecnicaSpiegazioni elettronici
logo
Tiger Electronic Co.,Lt...
MC33063ADR2G TGS-MC33063ADR2G Datasheet
2Mb / 7P
   Switching Regulators
logo
IK Semicon Co., Ltd
IK1509-XX IKSEMICON-IK1509-XX Datasheet
103Kb / 6P
   Switching Voltage Regulators
IL2596-XX IKSEMICON-IL2596-XX Datasheet
587Kb / 12P
   Switching Voltage Regulators
logo
Toshiba Semiconductor
TK17A25D TOSHIBA-TK17A25D Datasheet
223Kb / 9P
   Switching Voltage Regulators
TK20E60U TOSHIBA-TK20E60U Datasheet
250Kb / 9P
   Switching Voltage Regulators
TK65A10N1 TOSHIBA-TK65A10N1 Datasheet
243Kb / 9P
   Switching Voltage Regulators
TK6A45DA TOSHIBA-TK6A45DA Datasheet
233Kb / 9P
   Switching Voltage Regulators
TK6Q60W TOSHIBA-TK6Q60W Datasheet
247Kb / 10P
   Switching Voltage Regulators
TK100E08N1 TOSHIBA-TK100E08N1 Datasheet
251Kb / 9P
   Switching Voltage Regulators
TK8P60W TOSHIBA-TK8P60W Datasheet
301Kb / 10P
   Switching Voltage Regulators
More results


Html Pages

1 2 3 4


Scheda tecnica Scarica

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEETIT.COM
Lei ha avuto il aiuto da alldatasheet?  [ DONATE ] 

Di alldatasheet   |   Richest di pubblicita   |   contatti   |   Privacy Policy   |   scambio Link   |   Ricerca produttore
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