DOCP是什么意思P在线翻译读音例句

FA5331P(M)/FA5332P(M)

1

sDescription

FA5331P(M)andFA5332P(M)arecontrolICsforapower

Csusetheaveragecurrent

issystem,a

powerfactorof99%orbettercanbeachieved.

FA5331P(M)isa1stgenerationICandFA5332P(M)is2nd

generationICwhichlight-loadcharacteristicsareimproved.

sFeatures

•DrivecircuitforconnectingapowerMOS-FET(Io=1.5A)

•Pulse-by-pulseovercurrentandovervoltagelimitingfunction

•OutputON/OFFcontrolfunctionbyexternalsignals

•Externalsynchronizingsignalterminalforsynchronous

operationwithothercircuits

•Undervoltagemalfunctionpreventionfunction

•Lowstandbycurrent(90Atypical)forsimplestart-upcircuit

•16-pinpackage(DIP/SOP)

•2%accuracyreferencevoltageforsettingDCoutputand

overvoltageprotection[FA5332P(M)only]

•Whenthereisapossibilityoflight-loadoperation,

FA5332P(M)issuitable.

sBlockdiagram

FA5331P(M)/FA5332P(M)

sDimensions,mm

SOP-16

1

10.06

8

9

16

5

.

5

0.7

2.

0

0

~

1

0

1.270.2

7

.

8

0

.

3

0.400.1

0什么意思英文 .

2

0

+

0.

1

–

0.

0

5

DIP-16

FA5331P

1

16

9

8

19.4

6.

5

7.6

3

.

4

4.

3

m

a

x

1.5

0.81

3.

1

mi

n

0.

2

mi

n

0

~

1

5

0

~

1

5

0.50.12.540.25

0

.

3

+

0

.

1

–

0

.

0

5

BipolarIC

ForPowerFactorCorrection

FA5332P

1

16

9

8

19.2

6.

3

7.62

3

.

6

5.

0

6

m

a

x1.3

0.71

2.

5

4

mi

n

0.

5

1

mi

n

0

~

1

5

0

~

1

5

0.480.12.540.25

0

.

2

5

+

0

.

1

–

0

.

0

5

PinPinDescription

1IFBCurrenterroramplifieroutput

2IIN–Invertinginputtocurrenterroramplifier

3VDETMultiplierinput

4OVPOvervoltageprotectioninput

5VFBVoltageerroramplifieroutput

6VIN–Invertinginputtovoltageerroramplifi春日秦国怀古周朴 er

7GNDGround

8OUTOutput

9VCPowersupplytooutputcircuit

10VCCPowersupply

11CSSoft-start

12ON/OFFOutputON/OFFcontrolinput

13REFReferencevoltage

14SYNCOscillatorsynchronizationinput

15CTOscillatortimingcapacitorandresistor

16IDETNon-invertinginputtocurrenterroramplifier

元器件交易网

2

FA5331P(M)/FA5与朱元思书节奏划分 332P(M)

Notes:

*

1DeratingfactorTa>25C:6.8mW/C(onPCboard)

*

2Deratingf题菊花古诗 actorTa>25C:5.2mW/C(onPCboard)

Voltageerroramplifiersection

ItemSymbolTestconditionFA5331P(M)FA5332P(M)Unit

.

ReferencevoltageVr1.481.541.601.5191.5501.581V

InputbiascurrentIBE–500–50–500–50nA

Open-loopvoltagegainAVE8080dB

OutputvoltageVOE+Noload3.53.83.53.8V

VOE–5020050200mV

OutputsourcecurrentIOE+VOE=0V–900–900A

sElectricalcharacteristics(Ta=25C,CT=470pF,RT=22kΩ,VCC=VC=18V)

Oscillatorsection

ItemSymbolTestconditionFA5331P(M)FA5332P(M)Unit

.

OscillationfrequencyfOSCCT=470pF687582687582kHz

RT=22kΩ

Frequencyvariation1(duetosupplyvoltagechange)fdVVCC=10to30V113%

Frequencyvariation1(duetotemperaturechange)fdTTa=–30to+85C558%

OutputpeakvoltageVOSC3.553.55V

SynchronizinginputpeakvoltageVSYNCSYNCterminalvoltage1.51.5V

sAbsolutemaximumratings

ItemSymbolRatingUnit

FA5331P(M)FA5332P(M)

SupplyvoltageVCC,VC3030V

OutputcurrentIO1.51.5A

InputvoltageVSYNC,VON/OFF,VVIN––0.3to+5.3–0.3to+5.3V

VVDET,VOVP

VIDET–10.0to+5.3–10.0to+5.3V

TotalpowerdissipationPd850(DIP-16)*1850(DIP-16)*1mW

(Ta=25C)650(SOP-16)*2650(SOP-16)*2

OperatingtemperatureTopr–30to+85–30to+85C

StoragetemperatureTstg–40to+150–40to+150C

sRecommendedoperatingconditions

ItemSymbolFA5331P(M)FA5332P(M)Unit

.

SupplyvoltageVCC,VC10281028V

IDETterminalinputvoltageVIDET–1.00–1.00V

VDETterminalinputvoltageVVDET02.002.4V

VDETterminalpeakinputvoltageVPVDET0.652.00.652.4V

OscillatortimingcapacitanceCT––3301000pF

OscillatortimingresistanceRT––1075kΩ

OscillationfrequencyfOSC1022015150kHz

NoisefilterresistanceconnectedtoIDETterminalRn0100027Ω

元器件交易网

FA5331P(M)/FA5332P(M)

3

Currenterroramplifiersection

ItemSymbolTestconditionFA5331P(M)FA5332P(M)Unit

.

InputthresholdvoltageVTHIDETVDET=0V–––03060mV

VFB=Vr,Rn=30Ω

InputbiascurrentIBCIDET=0V–350–230–350–250–150A

Open-loopvoltagegainAVC8080dB

OutputvoltageVOC+Noload3.53.83.53.8V

VOC–5020050200mV

OutputsourcecurentIOC+VIFB=0V–900–900A

Referencevoltagesection

ItemSymbolTestconditionFA5331P(M)FA5332P(M)Unit

.

OutputvoltageVREF4.85.05.24.85.05.2V

Voltagevariation1(bysupplyvoltagevariation)VRDVVCC=10to30V2525mV

Voltagevariation2(byloadchange)VRDTIOR=0.1to2mA225mV

Multipliersection

ItemSymbolTestconditionFA5331P(M)FA5332P(M)Unit

.

VDETterminalinputvoltageVMVDET02.002.4V

VFBterminalinputvoltageVMVFB1.53.51.53.5V

OutputcurrentIMVIIN–=0V–65–65A

OutputvoltagecoefficientK–1.0–1.0–

Pulsewidthmodulationcircuitsection

ItemSymbolTestconditionFA5331P(M)FA5332P(M)Unit

.

MaximumdutycycleDMAX899295899295%

Soft-startcircuitsection

ItemSymbolTestconditionFA5331P(M)FA5332P(M)Unit

.

InputthresholdvoltageVTHCSODutycycle=0%0.10.1V

VTHCSMDutycycle=DMAX3.553.55V

ChargecurrentICHGCSterminal=0V–10–10A

Outputcircuitsection

ItemSymbolTestconditionFA5331P(M)FA5332P(M)Unit

.

OutputvoltageVOLIO=100mA1.31.81.31.8V

VOHIO=–100mA15.516.515.516.5V

VCC=18V

RisetimetrNoload300300ns

FalltimetrNoload200200ns

元器件交易网

4

FA5331P(M)/FA5332P(M)

Overvoltageprotectioncircuitsection

ItemSymbolTestconditionFA5331P(M)FA5332P(M)Unit

.

InputthresholdvoltageVTHOVPOVPterminal1.561.641.721.6171.6501.683V

voltage

Inputthresholdvoltage/referencevoltage(VTHOVP/Vr)–––1.0441.0651.086–

DelaytimeTPDOVP200200ns

OutputON/OFFcircuitsection

ItemSymbolTestconditionFA5331P(M)FA5332P(M)Unit

.

ThresholdvoltageVTHONOFFTa=–30C–––3.74.3V

Ta=+25C2.03.52.83.4V

Ta=+85C–––1.52.8V

InputcurrentatONITHONON/OFFterminal60120––A

voltage=3.5V

ON/OFFterminal––1040A

voltage=VTHONOFF

Undervoltagelockoutcircuitsection

ItemSymbolTestconditionFA5331P(M)FA5332P(M)Unit

.

OFFtoONthresholdvoltageVTHUON14.315.316.314.615.316.0V

ONtoOFFthresholdvoltageITHUOFF7.68.39.07.68.39.0V

VoltagehysteresisVUHYS7.07.0V

Overalldevice

ItemSymbolTestconditionFA5331P(M)FA5332P(M)Unit

.

StandbycurrentICCSTVCC=14V9014090140A

Operating-statesupplycurrentICCOP10151015mA

OFF-statesupplycurrentICCOFFPin12=0V1.11.81.11.8mA

Overcurrentlimitingcircuitsection

ItemSymbolTestconditionFA5331P(M)FA5332P(M)Unit

.

InputthresholdvoltageVTHOCPIDETterminal–1.25–1.15–1.05–1.20–1.10–1.00V

voltage

DelaytimeTPDOCP200200ns

元器件交易网

5

FA5331P(M)/FA5332P(M)

sDescriptionofeachcircuit

atorsection

Thissectionoutputssawtoothwavesoscillatingbetween0.15

and3.55Vusingthecapacitorchargeanddischarge

1showshowtoconnecttherequired

illationfrequency

ationship

betweentheCTandRTvaluesisshownincharacteristic

14(SYNC)isasynchronizinginputterminal

.1shows,input

rectangularsynchronizingsignalwavestopin14throughan

free-runningfrequencyabout10%lower

taclamp

diode(D1)topreventanunwantedcurrentinsidetheIC.

eerroramplifierandovervoltagelimitingcircuit

Thevoltageerroramplifierformsavoltagefeedbackloopto

itiveinputterminalof

thisamplifierisconnectedtothereferencevoltage(Vr).Fig.2

showshowtoconnecttherequiredexternalcomponentsto

thiscircuit.

Theoutputvoltage(Vo)isasfollows:

...............................................................................(1)

FA5331:Vr=1.54V(typ.)

FA5332:Vr=1.55V(typ.)

Connectaresistorandacapacitorinparallelacrosserror

amplifieroutputpin5anderroramplifiernegativeinputpin

6tosetthevoltagegain(Av送东阳马生序节选 ).

TheAvvalueisasfollows:

Av=

R4

R3(1+jC1•R4)

...............................(2)

Erroramplifiercutofffrequency(fc)isasfollows:

fc=

1

2C1•R4

.................................................(3)

If100or120Hzripplesappearattheerroramplifieroutput,the

restable

operation,setthefcvaluetoabout1Hz.

Anovervoltagedetectioncomparator(C1)isbuiltintolimitthe

referenceinputvoltage(Vp)isasfollows:

Vp=•Vr.............................................................(4)

=1.065

TheconnectionsshowninFig.2limittheoutputvoltageto

timesthedesignvalue.

15

R

OSC

CT

RT

CT

D1

Csy

SYNC

13

REF

14

Fig.1Oscillator

6

R2

R1

Vo

MUL

5

R3

C1

Vr

R4

_

+

A1

F.F

Vp

4

C1

OVP

Fig.2Voltageerroramplifierandovervoltagelimitingcircuit

Vo=

R1+R2

R1

•Vr

元器件交易网

6

FA5331P(M)/FA5332P(M)

terroramplifierandovercurrentlimitingcircuit

Thecurrenterroramplifierformsacurrentlooptochangethe

.3shows,the

multiplieroutputisconnectedtopin2(IIN–)througharesistor

(RA)16(IDET)isa

thecircuitsothatthevoltageat

pin16willbewithintherangefrom0(GNDpotential)to–1.0V.

Connectaphasecorrectionresistorandcapacitorsacrosspin

1(amplifieroutput).4fortheexpectedgain

characteristicsofthecircuitshowninFig.3.

Here,

Z=

1

2R5•C3

..................................................(5)

p=

1

2R5•C

.............................................(6)

C=

C2•C3

C2+C3

Thevoltagegain(G1)betweenZandPofthecircuit(gain

betweenpins16and1)isgivenasfollows:

G1=20•log

10

{0.75(

R5

RA

+1)离骚原文注解翻译赏析 }

....................(7)

EnsureanadequatephasemarginbyselectingC1andC2so

thatthep/renterroramplifieroutput

isusedasaninputtothecomparatorforPWM.

Theovercurrentdetectioncomparator(C2)limitsan

esholdvoltageforovercurrentdetectionat

pin16is–1.15VforFA5331and–t

noisefiltersRnandCntopreventthevoltageatpin16from

fluctuatingduetonoise,causingthecomparatortomalfunction.

ForRn,selectaresistorofupto100ΩforFA5331andupto

27ΩforFA5332.(SeeP64,-loadoperation)

atorforPWM

eoscillator

output(Va)issmallerthanthecurrenterroramplifieroutput

(Vc),thecomparatoroutputishighandtheoutputONsignalis

11(CS)

terminalchargescapacitorC4withtheinternalconstantcurrent

(10A)tyisgiventoVbandVcwhichever

islower.

lier

fullyrectifiedsinusoidalsignalvoltageintopin3(VDET).

Designthecircuittokeepthepeakvoltageatpin3withina

rangefrom0.65Vto2VforFA5331and0.65Vto2.4Vfor

tiplieroutputvoltage(Vm)isroughlygivenas

follows(seeFig.6):

Vm=1.25–(Ve–1.55)•Vs....................................(8)

AsFig.3showsVmisinternallyconnectedtopin2(IIN–)ofthe

currenterroramplifierA2througha10kΩresistor.(See《最好的我们》读后感800字 the

characteristiccurve,page66fortheinputandoutput

characteristicsofthemultiplier.)

Fig.6Multiplier

Fig.4Voltagegain-frequency

Fig.3Currenterroramplifierandovercurrentlimitingcircuit

Fig.5PWMcomparator

PWM

VREF

_

+

A2

F.F

Vocp

2

1

4

16

Rn

Cn

RC

5k

RB

15k

5V

C2

C3

C2

Vm

RA10k

R5

comparator

Current

detection

MUL

OPC

G1

(dB)

Voltagegain

ZP

Frequency

R7

Ve

(A1)output

Vs

Vm

VIN

R6

3

MUL

C4

Vb

10A

CS

C3

OscillatoroutputVa

PWMcomparator

(A2)outputVc

11

元器件交易网

7

FA5331P(M)/FA5332P(M)

/OFFcontrolinputcircuit

Figure7showstheON/12isset

tothehighlevel(enable),thisICoutputspulsesfromtheOUT

12issettothelowlevel(disable),theinternalbias

power(referencevoltage)goesoffandtheICcurrent

consumptionbecomesabout1/

outputlevelofpin11(CSforsoftstart)alsogoeslow.

circuit

AsFig.8shows,pin9isconfiguredasthehighpowerterminal

(VC),independentoftheICpowerterminal(VCC).Thispin

allowsanindependentdriveresistancewhenthepower

riveresistancesintheONand

OFFstatesareRg(on)andRg(off),thefollowingformulascan

beusedtodeterminethetotalgateresistance

Rg:

Rg(on)=(9)

Rg(off)=(10)

Inthestandbystate,theoutputlevelofpin8isheldlow.

IfthepotentialatthedrainterminalofthepowerMOSFET

fluctuates,thegate-draincapacitancemaydrivetheICoutput

evoltageatpin8reaches

–0.6V,anunwantedcurrentflowsintheICandalargeabnormal

currentflowsintheoutputcircuitwhentheoutputtransistoris

entthis,connectaSchottkydiodeacrossthe

gateandsourceofthepowerMOSFET.

Fig.7ON/OFFcontrolinputcircuit

Fig.8Outputcircuit

1k

100k

Vcc

12

ON/OFF

10A

Rg2

Rg1

GND

VCC

Cv

+

10

9

8

7

Pin7

Schottky

diode

元器件交易网

8

FA5331P(M)/FA5332P(M)

sDesignadvice

ircuit

heICcurrent

whiletheVccpinvoltagerisesfrom0VtoVTHONisassmallas

90A(typ.),

additionalwindingispreparedinthevoltagestep-upinductor

(L),powertothecontrolcircuitcanbesuppliedfromthis

r,thevoltagemustbestabilizedbyaregulator

circuit(REG)topreventanexcessriseoftheICsupplyvoltage

(Vcc).Usefastorultra-fastrectifierdiodesfortherectifiercircuit

(DB1)ofthewindingforhigh-frequencyoperation.

tsensingresistor

Thecurrentsensingresistor(Rs)detectsthecurrentinthe

currentintheinductorproducesanegativevoltageacrossRs.

ThevoltageisinputtoICpin16(IDET).Determinethevalue

ofRssothatthepeakvoltageoftheIDETpinis–1V.

Rs=

Vin

√2•Pin

..................................................(11)

Vin:MinimumACinputvoltage(effectivevalue)[V]

Pin:Maximuminputpower[W]

Sincethethresholdvoltageoftheovercurrentlimitingcircuit

(pin16)is–1.15VforFA5311forand–1.10VforFA5332,the

peakinputcurrentlimit(ip)isdeterminedby:

.............................................................................(12)

estep-uptypeconverter

Figure9showsthebasiccircuitofavoltagestep-uptype

converterwhichisusedasapowerfactorcorrection.

(a)Outputvoltage

Forstableoperation,settheoutputvoltagetobe10Vormore

usingthisICforanactivefilter,settheoutputvoltage(Vo)as

follows:

Vo≥√2•Vin+10V

............................................(13)

Vin:MaximumACinputvoltage[V]

(effectivevalueofsinusoidalwave)

(b)Voltagestep-upinductor

Whenusingavoltagestep-upconverterincontinuouscurrent

mode,theratioofinductorcurrentrippletotheinputpeak

currentissettoabout20%.Determinetheinductanceas

follows:

L≥

Vin2(Vo–√2•Vin)

•fs•Pin•Vo

................................(14)

Vin:MinimumACinputvoltage(effectivevalue)[V]

:Ratioofinductorcurrentripple(peaktopeakvalue)tothe

inputpeakcurrent(about0.2)

fs:Switchingfrequency[Hz]

Pin:Converter’smaximuminputpower[W]

Asthecharacteristiccurvesonpage66show,thepeak

voltageatpin3shouldbeatleast0.65V,evenwhentheAC

eringthis,determineR6and

R7showninFig.6.

Fig.9Startcircuit

Example:FA5332

WhenVinis85VandPinis300W,theformulasof(11)

and(12)canbecalculatedas:

Rs=

85

√2•300

=0.2[Ω]

ip=

1.10

0.2

=5.5[A]

√2•85•

R6

R6+R7

=0.65[V]

And,

IfR6issetto2.7kΩtosatisfytheseformulas,R7becomes

480kΩ.

Example:

WhenVinis85V,Vois385V,andis0.2,theformulaof(14)

canbecalculatedas:

L≥

2.48!104

fs•Pin

[H]

.........................................(15)

(c)Smoothingcapacitor

Whenavoltagestep-upconverterisusedinapowerfactor

correctioncircuit,theinputcurrentwaveformisregulatedtobe

ore,ripple

noiseoftwicetheinputlinefrequencyappearsattheoutput.

Theoutputvoltage(o)isrepresentedas:

o=Vo–

Io

2•o•C

•Sin2ot

...................(16)

Vo:Averageoutputvoltage

Io:Outputcurrent

o:2fo(fo:Inputpowerfrequency,50or60Hz)

C:Smoothingcapacitorvalue

Therefore,thepeak-to-peakvalueoftheoutputripplevoltage

Vrpisgivenby:

Vrp=

Io

oC

.....................................................(17)

Usingformula(17),determinethenecessaryCvalue.

1610

7

CA

RA

RS

Vcc

ACinput

DB1

L

REG

C

FA5331/FA5332

Io

1.15

Rs

FA5331:ip=

FA5332:ip=

1.10

Rs

元器件交易网

FA5331P(M)/FA5332P(M)

9

-loadoperation

Thefollowingconditionshouldbemeettopreventfrom

overvoltageandaudiblenoiseduringno-loadorlight-load

operation.

ForFA5331(Fig.10)

0.85•≤ROFST(kΩ)≤

where,= 

and,R

n

≤100Ω

and,RX:don’tconnect.

•YoumustnotconnectRXwhichreducesDCgainofcurrent

erroramplifier.

•YoucanconnectR5whichisseri四年级语文上册课本 eswithcapacitorC3.

ForFA5332(Fig.11)

R

n

≤27Ω

and,RX:don’tconnect.

•YoumustnotconnectRXwhichreducesDCgainofcurrent

erroramplifier.

•YoucanconnectR5whichisserieswithcapacitorC3.

•IfyouconnectROFST,deadtimeofACinputcurrentwill

extend.

reventfromintermittentswitchingoflow

frequency

Anintermittentswitching,whichfrequencyislowerthan10Hz,

occursinsomeapplications.

Inthiscase,itispossibletopreventfromthisintermittent

switchingtoreducefeedbackgainbydecreasingthe

resistanceofR4.(SeeFig.2)

Youmustchecktheeffectthoroughlybecausethisintermittent

switchingdependsonload,temperatureandinputcondition.

Fig.10

Fig.11

(3.5•103–0.26•Rn)•12

42+0.26•Rn

13REF

IIN–

IFB

C2

C3

R5

Rn

Cn

Current

detection

Rx

IDET

ROFST

FA5331

2

1

16

Current

detection

13REF

IIN–

IFB

C2

C3

R5

Rn

Cn

Rx

IDET

ROFST

FA5332

2

1

16

元器件交易网

10

FA5331P(M)/FA5332P(M)

sCharacteristiccurves(Ta=25C)

Oscillationfrequency(fOSC)vs.

timingresistorresistance(RT)

FA5331FA5332

Oscillationfrequency(fOSC)vs.

ambienttemperature(Ta)

FA5331FA5332

inalvoltage(VCS)ON/OFFcontrolterminalcurrentvs.

ON/OFFcontrolterminalvoltage

RT[kΩ]

f

o

s

c

[

k

H

z

]

10

20

50

100

200

10

50

20

100

CT=330pF

CT=470pF

CT=680pF

Ta[C]

f

o

s

c

[

k

H

z

]

68

70

69

71

73

74

75

76

77

78

72

–40

60

0

–20204080

100

Vcc=18V

CT=470pF

RT=22kΩ

FA5331P(M)/FA5332P(M)

11

IIN–rminalvoltage

MultiplierI/O

FA5331FA5332

–terminalvoltage

Normaloperation

FA5331FA5332

H-leveloutputvoltage(V

OH

)vs.L-leveloutputvoltage(V

OL

)vs.

outputsourcecurrent(I

SOURCE

)outputsinkcurrent(I

SINK

)

I

D

E

T

t

e

r

mi

n

al

v

ol

t

a

g

e

[

V]

–1.5

–1.0

–0.5

0

0

0.5

1.01.5

IIN–terminalvoltage[V]

VDETterminalvoltage[V]

0

0.4

0.2

0.6

1.0

1.2

1.4

0.8

0

2

0.8

0.41.21.62.4

VFB=1.5V

VFB=1.6V

VFB=1.7V

VFB=2.0V

V

F

B

=

2

.九月九忆兄弟古诗解释

5

V

V

F

B

=

3

.

0

V

V

F

B

=

3

.

5

V

I

I

N

–

t

e

r

mi

n

al

v

ol

t

a

g

e

[

V]

I

D

E

T

t

e

r

mi

n

al

v

ol

t

a

g

e

[

V]

1.5

1.0

0.5

0

0

0.5

1.01.5

IIN–terminalvoltage[V]

I

I

N

–

t

e

r

mi

n

al

v

ol

t

a

g

e

[

V]

元器件交易网

12

FA5331P(M)/FA5332P(M)

Overcurrentlimitingthresholdvoltagevs.

ambienttemperature(Ta)

FA5331FA5332

OVPterminalthresholdvoltagevs.

ambienttemperature(Ta)

FA5331FA5332

Supplycurrent(I

CC

)voltage(V

CC

)Supplycurrent(I

CC

)voltage(V

CC

)

NormaloperationOFFmode

–1.13

–1.12

–1.11

–1.1

–1.09

–1.08

–40

60

0

–20204080

100

Vcc=18V

O

v

e

r

c

u

r

r

e

nt

l

i

mi

t

i

n

g

t

h

r

e

s

h

ol

d

v

ol

t

a

g

e

[

V]

Ta[C]

1.61

1.62

1.63

1.64

1.65

1.66

1.67

–40

60

0

–20204080

100

Vcc=18V

O

V

P

t

e

r

mi

n

al

t

h

r

e

s

h

ol

d

v

ol

t

a

g

e

[

V]

Ta[C]

FA5331P(M)/FA5332P(M)

13

sApplicationcircuit

ExampleofFA5331applicationcircuit

ExampleofFA5332applicationcircuit

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