Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

Preview PDF HTML

TNY253P Datasheet(PDF) 5 Page - Power Integrations, Inc.

Part # TNY253P
Description  Energy Efficient, Low Power Off-line Switchers
Download  18 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  POWERINT [Power Integrations, Inc.]
Direct Link  http://www.powerint.com
Logo POWERINT - Power Integrations, Inc.

TNY253P Datasheet(HTML) 5 Page - Power Integrations, Inc.

  TNY253P Datasheet HTML 1Page - Power Integrations, Inc. TNY253P Datasheet HTML 2Page - Power Integrations, Inc. TNY253P Datasheet HTML 3Page - Power Integrations, Inc. TNY253P Datasheet HTML 4Page - Power Integrations, Inc. TNY253P Datasheet HTML 5Page - Power Integrations, Inc. TNY253P Datasheet HTML 6Page - Power Integrations, Inc. TNY253P Datasheet HTML 7Page - Power Integrations, Inc. TNY253P Datasheet HTML 8Page - Power Integrations, Inc. TNY253P Datasheet HTML 9Page - Power Integrations, Inc. Next Button
Zoom Inzoom in Zoom Outzoom out
 5 / 18 page
background image
TNY253/254/255
5
Rev E
02/12
Figure 6. TinySwitch Operation at Light Load.
Figure 7. TinySwitch Power-Up Timing Diagram.
Figure 8. TinySwitch Power Down Timing Diagram.
PI-2261-061198
V
DRAIN
V
EN
CLOCK
DC
DRAIN
I
MAX
BYPASS Pin Capacitor
TheBYPASSpinusesasmall0.1µFceramiccapacitorfor
decouplingtheinternalpowersupplyoftheTinySwitch.
Application Examples
Television Standby
TinySwitchisanidealsolutionforlowcost,highefficiency
standbypowersuppliesusedinconsumerelectronicproducts
suchasTVs.Figure9showsa7.5V,1.3Wflybackcircuitthat
usesTNY253forimplementingaTVstandbysupply.Thecircuit
operatesfromtheDChigh-voltagealreadyavailablefromthe
mainpowersupply.Thisinputvoltagecanrangefrom120to
375VDCdependingontheinputACvoltagerangethattheTV
isratedfor.CapacitorC1filtersthehigh-voltageDCsupply,
andisnecessaryonlyifthereisalongtracelengthfromthe
sourceoftheDCsupplytotheinputsoftheTVstandbycircuit.
Thehigh-voltageDCbusisappliedtotheseriescombination
oftheprimarywindingofT1andtheintegratedhigh-voltage
MOSFETinsidetheTNY253.Thelowoperatingfrequencyof
theTNY253(44kHz),allowsalowcostsnubbercircuitC2and
R1tobeusedinplaceofaprimaryclampcircuit.Inaddition
tolimitingtheDRAINturnoffvoltagespiketoasafevalue,
theRCsnubberalsoreducesradiatedvideonoisebylowering
thedv/dtoftheDRAINwaveform,whichiscriticalforvideo
applicationssuchasTVandVCR.OnfixedfrequencyPWM
andRCCcircuits,useofasnubberwillresultinanundesir-
ablefixedACswitchinglossthatisindependentofload.The
ON/OFFcontrolontheTinySwitcheliminatesthisproblem
by scaling the effective switching frequency and therefore,
switchinglosslinearlywithload.Thustheefficiencyofthe
supplystaysrelativelyconstantdowntoafractionofawattof
outputloading.
ThesecondarywindingisrectifiedandfilteredbyD1andC4to
createthe7.5Voutput.L1andC5provideadditionalfiltering.
Theoutputvoltageisdeterminedbythesumoftheoptocoupler
U2LEDforwarddrop(~1V)andZenerdiodeVR1voltage.
TheresistorR2,maintainsabiascurrentthroughtheZenerto
improveitsvoltagetolerance.
10 W Standby
TheTNY255isidealforstandbyapplicationsthatrequireup
to10Wofpowerfrom230VACor100/115VACwithdoubler
circuit.TheTNY255operatesat130kHzasopposedto44kHz
forTNY253/254.Thehigherfrequencyoperationallowsthe
V
DRAIN
V
IN
0.2
Time (ms)
.4
.6
.8
1
0 V
0 V
V
DRAIN
V
IN
12 V
12 V
0
100
Time (ms)
200
300
400
500
0 V
0 V


Similar Part No. - TNY253P

ManufacturerPart #DatasheetDescription
logo
Power Integrations, Inc...		 TNY253P POWERINT-TNY253P Datasheet
498Kb / 20P		    TinySwitch Family Energy Efficient, Low Power Off-line Switchers
TNY253P POWERINT-TNY253P Datasheet
1Mb / 18P		    Energy Efficient, Low Power Off-line Switchers
TNY253P POWERINT-TNY253P Datasheet
1Mb / 18P		    Energy Efficient, Low Power Off-line Switchers
TNY253P POWERINT-TNY253P Datasheet
1Mb / 18P		    Energy Efficient, Low Power Off-line Switchers
TNY253P POWERINT-TNY253P Datasheet
1Mb / 18P		    Energy Efficient, Low Power Off-line Switchers
More results

Similar Description - TNY253P

ManufacturerPart #DatasheetDescription
logo
Power Integrations, Inc...		 TNY253GN-TL POWERINT-TNY253GN-TL Datasheet
1Mb / 18P		    Energy Efficient, Low Power Off-line Switchers
TNY254GN POWERINT-TNY254GN Datasheet
1Mb / 19P		    Energy Efficient, Low Power Off-line Switchers
TNY254GN-TL POWERINT-TNY254GN-TL Datasheet
1Mb / 18P		    Energy Efficient, Low Power Off-line Switchers
TNY253PN POWERINT-TNY253PN Datasheet
1Mb / 18P		    Energy Efficient, Low Power Off-line Switchers
TNY255GN POWERINT-TNY255GN Datasheet
1Mb / 18P		    Energy Efficient, Low Power Off-line Switchers
TNY253GN POWERINT-TNY253GN Datasheet
1Mb / 18P		    Energy Efficient, Low Power Off-line Switchers
TNY255GN-TL POWERINT-TNY255GN-TL Datasheet
1Mb / 18P		    Energy Efficient, Low Power Off-line Switchers
TNY254PN POWERINT-TNY254PN Datasheet
1Mb / 18P		    Energy Efficient, Low Power Off-line Switchers
TNY253 POWERINT-TNY253_V01 Datasheet
1Mb / 18P		    Energy Efficient, Low Power Off-line Switchers
August 2016
TNY253 POWERINT-TNY253 Datasheet
498Kb / 20P		    TinySwitch Family Energy Efficient, Low Power Off-line Switchers
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18


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