IXC Series
Application Examples
DC and AC Overvoltage
Suppression
qÜÉ= êÉÖìä~íçê= Å~å= ÄÉ= ìëÉÇ= ~ë= ~
îçäí~ÖÉ=ëìêÖÉ=ëìééêÉëëçêK=qÜÉ=ÇÉîáÅÉ
áë=~Ö~áå=ÅçååÉÅíÉÇ=áå=ëÉêáÉë=ïáíÜ=íÜÉ
äÉ~Ç= EcáÖK= RF= ~åÇ= ïçìäÇ= åçêã~ääó
çéÉê~íÉ=~í=~==ÅìêêÉåí=äÉîÉä=äçïÉê=íÜ~å
íÜÉ=éä~íÉ~ì=EcáÖK=S~FK=^åó=áåÅçãáåÖ
îçäí~ÖÉ=ëìêÖÉ=EcáÖK=SÄF=äÉëë=íÜ~å=íÜÉ
ÄêÉ~âÇçïå=îçäí~ÖÉ=çÑ=íÜÉ=êÉÖìä~íçê=ïáää
ÄÉ=Åä~ãéÉÇ=Äó=íÜÉ=fu`m=êÉÖìä~íçê=íç
îçäí~ÖÉ=äÉëë=íÜ~å=íÜÉ=éä~íÉ~ì=ÅìêêÉåí
íáãÉë=íÜÉ=ÉÑÑÉÅíáîÉ=êÉëáëí~åÅÉ=çÑ=íÜÉ
äç~ÇK
cáÖK=RK=a`=ëìêÖÉ=ëìééêÉëëáçå
ëçìêÅÉ=çÑ=~=ÜáÖÜäó=ëí~ÄäÉ=ÅìêêÉåí=íç
éêçÇìÅÉ=~=ìë~ÄäÉ=îçäí~ÖÉ=êÉÑÉêÉåÅÉ
EcáÖK= TFK= qÜáë= ïçìäÇ= ÄÉ= ÉÑÑÉÅíáîÉäó
áåÇÉéÉåÇÉåí=çÑ=íÉãéÉê~íìêÉ=~åÇ=~=äçï
Åçëí= ~ééêç~ÅÜK= ^= ÜáÖÜ= îçäí~ÖÉ
êÉÑÉêÉåÅÉ=áë=~äëç=éçëëáÄäÉI=íÜ~åâë=íç
íÜÉáê=ÜáÖÜ=ÄêÉ~âÇçïå=îçäí~ÖÉëK
cáÖKUK=içï=Åçëí=ÅìêêÉåí=êÉÖìä~íçêë
áåëíÉ~Ç=çÑ=ÑìëÉë
qÜÉ=çÄîáçìë=~Çî~åí~ÖÉë=íç=Ü~îáåÖ=íÜáë
êÉÖìä~íçê=~ë=ÑìëÉ=ëìÄëíáíìíÉ=~êÉW
ꢀ mêÉîÉåíë=~=?Çáé?=áå=íÜÉ=éçïÉê
ëìééäó=ÇìêáåÖ=~=Ñ~ìäí=ÅçåÇáíáçå
ꢀ oÉÖìä~íçê=êÉã~áåë=áåí~Åí
R = 100 Ω Vout = 3.5 V nominal
R = 50 Ω
R = 25 Ω
V
out = 1.75 V nominal
Vout = 0.875 V nominal
ꢀ `~å=ÄÉ=É~ëáäó=íáÉÇ=áå=ïáíÜ=äçÖáÅ=íç
áåÇáÅ~íÉ=~=?Ççïå=ëí~íÉ?=Äç~êÇ
cáÖK=TK==páãéäÉ=îçäí~ÖÉ=ëçìêÅÉ=ïáíÜ
ÜáÖÜ=ëí~Äáäáíó
cáÖK=S~K=a`=ëìêÖÉ=ëìééêÉëëáçå
Instantaneous "Fuse"
^åçíÜÉê= ~ééäáÅ~íáçå= ïçìäÇ= ÄÉ
éêçíÉÅíáçå= ~Ö~áåëí= ëìÇÇÉå= îçäí~ÖÉ
Çêççéë=çå=îçäí~ÖÉ=ëìééäó=äáåÉë=íç=äçÖáÅ
Å~êÇë=áå=ÅçãéìíáåÖ=ëóëíÉãëI=êÉëìäíáåÖ
Ñêçã= çåÉ= ÅçãéçåÉåí= ëìÇÇÉåäó
ëÜçêíáåÖ= íç= ÖêçìåÇK= kçêã~ä= ÑìëáåÖ
åÉíïçêâë= ïáää= Çê~ï= ÅçåëáÇÉê~ÄäÉ
ÅìêêÉåí=ÇìêáåÖ=íÜÉ=íáãÉ=áí=í~âÉë=Ñçê=íÜÉ
ÑìëÉ= íç= ÅäÉ~êK= qÜáë= ÅçìäÇ= Å~ìëÉ= ~
ëìÑÑáÅáÉåí=Çáé=áå=éçïÉê=ê~áä=îçäí~ÖÉ=íç
Å~ìëÉ=ã~äÑìåÅíáçåë=çÑ=íÜÉ=çíÜÉê=äçÖáÅ
Å~êÇëI=ÉîÉå=ïáíÜ=Ñ~ëíJÄäçï=ÑìëÉë=EcáÖK
UFK=qÜÉ=ÅìêêÉåí=êÉÖìä~íçê=áå=ëÉêáÉë=ïáíÜ
íÜÉ=äçÖáÅ=Å~êÇ=êÉëíêáÅíë=íÜÉ=ÅìêêÉåí=íç
áíë= çïå= çéÉê~íáåÖ= äÉîÉä= EcáÖK= VFK
qÜÉêÉÑçêÉ==íÜÉ=îçäí~ÖÉ=ëìééäó=ÇçÉë=åçí
ÄÉÅçãÉ=çîÉêäç~ÇÉÇ=~åÇ=íÜÉ=êÉÖìä~íçê
êÉã~áåë=áåí~ÅíK
cáÖK=SÄK=fåÅçãáåÖ=ëìêÖÉLçìíéìí=ëìêÖÉ
~Åêçëë=äç~Ç
cáÖK=VK kçêã~ä=ÑìëáåÖ=äáåâë=áå
ëÉêáÉë=ïáíÜ=É~ÅÜ=Äç~êÇ
Soft Start-Up Circuits
eÉêÉ=íÜÉ=êÉÖìä~íçê=ÅÜ~ê~ÅíÉêáëíáÅ=ïáää
Åä~ãé=áåáíá~ä=ÅìêêÉåí=ëìêÖÉë=ïÜáÅÜ=Å~å
çÅÅìê=ïÜÉå=éçïÉê=áë=áåáíá~ääó=~ééäáÉÇ
íç=~=äç~ÇK=qÜÉ=ÇÉîáÅÉI=ïáíÜ=áíë=QRM=s
Å~é~Äáäáíó=ÅçìäÇI=Ñçê=Éñ~ãéäÉI=ÄÉ=ìëÉÇ
ïáíÜ=~=a`=éçïÉê ëìééäó=çê=ïáíÜ=^`
ã~áåë=íç=äáãáí=íÜÉ=áåáíá~ä=ÜáÖÜ=áåêìëÜ=çÑ
ÅìêêÉåí=áåíç=ä~ãé=Ñáä~ãÉåíëI=íÜÉêÉÄó
áåÅêÉ~ëáåÖ= íÜÉ= Ñáä~ãÉåí= äáÑÉ= ëÉîÉê~ä
íáãÉëK= fí= ÅçìäÇI= íÜÉêÉÑçêÉI= ÄÉ= ìëÉÇ
ÉÑÑÉÅíáîÉäó=áå=äáÖÜíáåÖ=Çáëéä~óë=~åÇ=áå
íÜÉ=íê~åëéçêí~íáçå=äáÖÜíáåÖ=áåÇìëíêáÉëK
Testing & Handling
Recommendations
ꢀ cçê=áåáíá~ä=~ëëÉëëãÉåí=çÑ=íÜÉ=é~êíë
ïÜÉêÉ=íÜÉ=ÅìëíçãÉê=ã~ó=íÉëí=íÜÉ
ÇÉîáÅÉ= ÅÜ~ê~ÅíÉêáëíáÅë= áå= ÑêÉÉ= ~áê
ïáíÜçìí=ÜÉ~í=ëáåâáåÖI=íÜÉ=Åçåíáåìçìë
éçïÉê=Çáëëáé~íáçå=ëÜçìäÇ=ÄÉ=âÉéí
Œ
ïáíÜáå=NKR=t=~í=~ãÄáÉåí=çÑ=OR `K
Eo = Z= UM= hLt= Ñçê= qlJOOMI= ~åÇ
íÜg^
qÜÉ=ÅìêêÉåí=êÉÖìä~íçê=íÜìë=éêçîáÇÉë=~å
?áåëí~åí~åÉçìë=ÑìëáåÖ?=ÑìåÅíáçåK=tÜÉå
íÜÉ=äçÖáÅ=ÅçãéçåÉåí=áë=êÉéä~ÅÉÇI=íÜÉ
êÉÖìä~íçê= êÉëìãÉë= áíë= åçêã~ä
ÑìåÅíáçåáåÖ=ãçÇÉK
o
=Z=NMM=hLt=Ñçê=qlJOROF
íÜg^
ꢀ kçêã~ä= ÉäÉÅíêçëí~íáÅ= Ü~åÇäáåÖ
éêÉÅ~ìíáçåë= Ñçê= jlp= ÇÉîáÅÉë
ëÜçìäÇ=ÄÉ=~ÇÜÉêÉÇ=íçK
Highly Stable Voltage Sources
^åçíÜÉê=çÄîáçìë=~ééäáÅ~íáçå=ïçìäÇ=ÄÉ
íç= ìëÉ= íÜÉ= ÅìêêÉåí= êÉÖìä~íçê= ~ë= ~
IXYS Corporation
IXYS Semiconductor GmbH
3540 Bassett St. Santa Clara, CA 95054
Tel: 408-982-0700; Fax: 408-496-0670
Edisonstr. 15; D-68623 Lampertheim, Germany
Tel: +49-6206-503-0; Fax: +49-6206-503627
Q
«=OMMM=fuvp=^ää=êáÖÜíë=êÉëÉêîÉÇ