High Voltage Current
Regulators
Preliminary Data Sheet
The IXYS IXC series of high voltage
current regulators consists of non-
switchable, 2-terminal, AC and DC
current regulators.
IXC Series
V
^h
= 450/350 V
I
^EmF
= 2 - 100 mA
R
avk
= 9 - 900 kΩ
Ω
TO-220 AB
(IXCP)
4
4
1
3
12
AC non-switchable regulators
This family consists of two DC current
regulators connected internally in
series to regulate the current to a
specified value in both directions. Its
output characteristics in quadrants 1
and 3 are the same as shown in Figure
1 so that the current regulation is also
the same in both directions. Parts are
only available in the TO-220 package.
Current Regulator Nomenclature
m~êíë=Å~å=ÄÉ=çêÇÉêÉÇ=Äó=ìëáåÖ=íÜÉ=ÑçääçïáåÖ
åçãÉåÅä~íìêÉW
TO-252 AA
(IXCY)
3
=cáÖK=NK `ìêêÉåí=oÉÖìä~íçê=lìíéìí
`Ü~ê~ÅíÉêáëíáÅë
Non-switchable regulators
This is a family of extremely stable,
high voltage current regulators with
the typical output characteristic shown
in Figure 1. The temperature stability
is based on a threshold compensation
technique and uses IXYS' most
recently developed high voltage
process. The complete family will be
capable of providing other
intermediate current levels which can
be programmed on-chip during the
manufacturing phase.
Specific applications are current
sourcing in PABX applications,
telephone line terminations, surge
protection and voltage supply
protection. Two devices in a back-to-
back configuration will give
bidirectional operation. Specific
bidirectional applications would be
series surge protection and soft start-
up applications from AC mains.
Features
bñíêÉãÉäó=ëí~ÄäÉ=ÅìêêÉåí=ÅÜ~ê~ÅíÉêJ
áëíáÅë=(±RM=ééãLhF
jáåáãìã=çÑ=QRM=s=ÄêÉ~âÇçïå
b~ëáäó=ÅçåÑáÖìêÉÇ=Ñçê=ÄáÇáêÉÅíáçå~ä
ÅìêêÉåí=ëçìêÅáåÖ
QM=t=Åçåíáåìçìë=Çáëëáé~íáçå
fåíÉêå~íáçå~ä=ëí~åÇ~êÇ=é~Åâ~ÖÉë
gbab`=qlJOOM=~åÇ=qlJORO
IXCP10M45A
IX
(Example)
fuvp
C
`ìêêÉåí=oÉÖìä~íçê
m~Åâ~ÖÉ=ëíóäÉ
P
qlJOOM=^_
Y
qlJORO=EaJm^hFG
10
`ìêêÉåí=o~íáåÖI
NM=Z=NM=ã^
M
`ìêêÉåí=iÉîÉä
^=Z=^ãéëI=j=Z=ã^I
r=Z=µ^
45
sçäí~ÖÉ=ê~íáåÖ
QR=Z=QRM=s
E_ä~åâF a`=kçåJëïáíÅÜ~ÄäÉ
A
^`=åçåJëïáíÅÜ~ÄäÉ
GW=^`=ÅìêêÉåí=êÉÖìä~íçê=çåäó=~î~áä~ÄäÉ=áå
qlJOO=é~Åâ~ÖÉK
Applications
m^_u=ÅìêêÉåí=ëçìêÅÉë
qÉäÉéÜçåÉ=äáåÉ=íÉêãáå~íáçåë=áå
m^_uë=~åÇ=ãçÇÉãë
eáÖÜäó=ëí~ÄäÉ=îçäí~ÖÉ=ëçìêÅÉë
pìêÖÉ=äáãáíÉêë=~åÇ=îçäí~ÖÉ=éêçíÉÅíáçå
Ea`=~åÇ=^`F
fåëí~åí~åÉçìëäó=êÉ~ÅíáåÖ=êÉëÉí~ÄäÉ
ÑìëÉë
t~îÉÑçêã=ëóåíÜÉëáòÉêë
pçÑí=ëí~êíJìé=ÅáêÅìáíë
cáÖK=OK=_äçÅâ=Çá~Öê~ã=Ñçê=íÜÉ=åçåJëïáíÅÜ~ÄäÉ=êÉÖìä~íçê
«=OMMM=fuvp=^ää=êáÖÜíë=êÉëÉêîÉÇ
N
DS98703A (11/00)
IXC Series
Non-Switchable DC Current Regulators
Symbol
V
AK
P
D
I
RM
T
J
T
stg
T
L
M
D
Definition
aê~áå=pçìêÅÉ=sçäí~ÖÉ
mçïÉê=aáëëáé~íáçå========fu`|MOj=íç=fu`|RMj
Eq
`=
Z=OR°`F
=========fu`|SMj=C=fu`|NMMj
j~ñáãìã=oÉîÉêëÉ=`ìêêÉåí
gìåÅíáçå=léÉê~íáåÖ=qÉãéÉê~íìêÉ
píçê~ÖÉ=qÉãéÉê~íìêÉ
qÉãéÉê~íìêÉ=Ñçê=ëçäÇÉêáåÖ=Eã~ñK=NM=ëF
jçìåíáåÖ=íçêèìÉ ïáíÜ=ëÅêÉï=jP=EqlJOOMF
ïáíÜ=ëÅêÉï=jPKR=EqlJOOMF
Maximum Ratings
QRMLPRM
OR
QM
N
JRR=íç=HNRM
JRR=íç=HNRM
OSM
s
t
t
^
°`
°`
°`
TO-220 AB Outline
MKQRLQ kãLäÄKáåK
MKRRLR kãLäÄKáåK
Symbol
Definition/Condition
Characteristic Values
Eq
g
=Z=OR°`I=ìåäÉëë=çíÜÉêïáëÉ=ëéÉÅáÑáÉÇF
min.
typ.
max.
QRM
PRM
NKV
VKM
NU
OU
PS
QR
RS
UU
OKM
NM
OM
PM
QM
RM
SM
NMM
±RM
UMM
NSM
==TU
==QM
==PO
==NV
==NR
====U
VMM
NUM
UR
QR
PR
ON
NT
V
1.8
OKR
NNKU
OO
PR
QQ
RR
SQ
NNM
s
s
ã^
ã^
ã^
ã^
ã^
ã^
ã^
ã^
ééãLh
âΩ
âΩ
âΩ
âΩ
âΩ
âΩ
âΩ
âΩ
V
aáãK=====jáääáãÉíÉê
jáåK j~ñK
^
^N
^O
Ä
ÄN
ÄO
Å
ÅN
a
aN
b
bN
É
ÉN
e
i
iN
iO
iP
OKNV OKPU
MKUV NKNQ
M MKNP
MKSQ MKUV
MKTS NKNQ
RKON RKQS
MKQS MKRU
MKQS MKRU
RKVT SKOO
QKPO RKON
SKPR SKTP
QKPO RKON
OKOU=_p`
QKRT=_p`
VKQM NMKQO
MKRN NKMO
MKSQ NKMO
MKUV NKOT
OKRQ OKVO
fåÅÜÉë
jáåK
j~ñK
MKMUS MKMVQ
MKMPR MKMQR
M MKMMR
MKMOR MKMPR
MKMPM MKMQR
MKOMR MKONR
MKMNU MKMOP
MKMNU MKMOP
MKOPR MKOQR
MKNTM MKOMR
MKORM MKOSR
MKNTM MKOMR
MKMVM=_p`
MKNUM=_p`
MKPTM MKQNM
MKMOM MKMQM
MKMOR MKMQM
MKMPR MKMRM
MKNMM MKNNR
BV
AK
G
I
A(P)
_êÉ~âÇçïå
îçäí~ÖÉ
mä~íÉ~ì
`ìêêÉåí
||jQR f
a=
Z=NKR=f
^EmF
||jPR f
a=
Z=NKR=f
^EmF
MOj|| s
^h=
Z==NM=s
NMj||
OMj||
PMj||
QMj||
RMj||
SMj||
NMMj||
s
^h
Z==NM=s
TO-252 AA Outline
∆
∆
I
A(P)
/∆T
∆
V
AK
/∆ I
A(p)
∆
mä~íÉ~ì=`ìêêÉåí=pÜáÑí
ïáíÜ=qÉãéÉê~íìêÉ
aóå~ãáÅ
oÉëáëí~åÅÉ
MOj|| s
^h=
Z==NM=s
NMj||
OMj||
PMj||
QMj||
RMj||
SMj||
NMMj||
V
F
R
thJC
R
thJA
Diode forward voltage drop; I
F
= 50mA
qÜÉêã~ä=oÉëáëí~åÅÉ=àìåÅíáçåJíçJÅ~ëÉ
fu`|MOj=íç=fu`|RMj RKM hLt
fu`|SMj=C=fu`|NMMj PKN hLt
qÜÉêã~ä=oÉëáëí~åÅÉ=àìåÅíáçåJíçJ~ãÄáÉåí qlJOOM
UM hLt
qlJORO
NMM hLt
G==mìäëÉ=íÉëí=íç=äáãáí=éçïÉê=Çáëëáé~íáçå=íç=ïáíÜáå=ÇÉîáÅÉ=Å~é~ÄáäáíóK
Pin connections
1 = No connection
2, 4 = Positive terminal A
3 = Negative terminal K
Product Marking
TO-220 types - full part number
TO-252 - last 7 alpha-numeric characters of the
part number, e.g. CY02M45
O
«=OMMM=fuvp=^ää=êáÖÜíë=êÉëÉêîÉÇ
IXCP__A Series
Non-Switchable AC Current Regulators
Symbol
V
AK
P
D
T
J
T
stg
T
L
M
D
Definition
aê~áå=pçìêÅÉ=sçäí~ÖÉ
mçïÉê=aáëëáé~íáçå=q
`=
Z=OR°`F
gìåÅíáçå=léÉê~íáåÖ=qÉãéÉê~íìêÉ
píçê~ÖÉ=qÉãéÉê~íìêÉ
qÉãéÉê~íìêÉ=Ñçê=ëçäÇÉêáåÖ=Eã~ñK=NM=ëF
jçìåíáåÖ=íçêèìÉ ïáíÜ=ëÅêÉï=jP
ïáíÜ=ëÅêÉï=jPKR
Maximum Ratings
QRMLPRM
OR
JRR=íç=HNRM
JRR=íç=HNRM
OSM
s
t
°`
°`
°`
MKQRLQ kãLäÄKáåK
MKRRLR kãLäÄKáåK
Symbol
Definition/Condition
Characteristic Values
Eq
g
=Z=OR°`I=ìåäÉëë=çíÜÉêïáëÉ=ëéÉÅáÑáÉÇF
min.
typ.
max.
QRM
PRM
NKU
VKM
NU
OU
PS
QR
OKM
NM
OM
PM
QM
RM
±RM
UMM
NSM
=TU
=QM
=PO
=NV
VMM
NUM
UR
QR
PR
ON
1.8
R
UM
OKR
NNKU
OO
PR
QQ
RR
s
s
ã^
ã^
ã^
ã^
ã^
ã^
ééãLh
I
K
- milliamperes
BV
AK
G
I
A(P)
_êÉ~âÇçïå
îçäí~ÖÉ=~í
mä~íÉ~ì
`ìêêÉåí
||jQR^ f
a=
Z=NKR=f
^EmF
||jPR^ f
a=
Z=NKR=f
^EmF
MOj||
NMj|| s
^h=
Z==NM=s
OMj||
PMj||
QMj||
RMj||
s
^h
Z==NM=s
Fig. 3.
Equivalent circuit for the
AC current regulators.
0.04
0.03
0.02
0.01
0.00
-0.01
-0.02
-0.03
-0.04
-50
0
50
∆
I
A(P)
/∆T
∆
∆
∆
V
AK
/∆ I
A(p)
mä~íÉ~ì=`ìêêÉåí=pÜáÑí
ïáíÜ=qÉãéÉê~íìêÉ
aóå~ãáÅ
oÉëáëí~åÅÉ
MOj|| s
^h=
Z==NM=s
NMj||
OMj||
PMj||
QMj||
RMj||
âΩ
âΩ
âΩ
âΩ
âΩ
âΩ
V
hLt
hLt
V
F
R
thJC
R
thJA
Diode forward voltage drop; I
F
= 50mA
qÜÉêã~ä=oÉëáëí~åÅÉ=àìåÅíáçåJíçJÅ~ëÉ
qÜÉêã~ä=oÉëáëí~åÅÉ=àìåÅíáçåJíçJ~ãÄáÉåí
G==mìäëÉ=íÉëí=íç=äáãáí=éçïÉê=Çáëëáé~íáçå=íç=ïáíÜáå=ÇÉîáÅÉ=Å~é~ÄáäáíóK
aÉîáÅÉ=ê~íáåÖë=~åÇ=ÅÜ~ê~ÅíÉêáëíáÅë=~êÉ=éÉê=ÅÜáéK
V
KK
- Volts
Fig. 4. Output Characteristics
for the IXCP30M45A
current regulator.
Pin connections
1 = Terminal K1
2, 4 = Terminal A1, 2
3 = Terminal K2
Product Marking
Full part number
«=OMMM=fuvp=^ää=êáÖÜíë=êÉëÉêîÉÇ
P
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
`~å=ÄÉ=É~ëáäó=íáÉÇ=áå=ïáíÜ=äçÖáÅ=íç
áåÇáÅ~íÉ=~=?Ççïå=ëí~íÉ?=Äç~êÇ
R = 100
Ω
R = 50
Ω
R = 25
Ω
V
out
= 3.5 V nominal
V
out
= 1.75 V nominal
V
out
= 0.875 V nominal
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
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
cáÖK=SÄK=fåÅçãáåÖ=ëìêÖÉLçìíéìí=ëìêÖÉ
~Åêçëë=äç~Ç
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
Highly Stable Voltage Sources
^åçíÜÉê=çÄîáçìë=~ééäáÅ~íáçå=ïçìäÇ=ÄÉ
íç= ìëÉ= íÜÉ= ÅìêêÉåí= êÉÖìä~íçê= ~ë= ~
IXYS Corporation
3540 Bassett St. Santa Clara, CA 95054
Tel: 408-982-0700; Fax: 408-496-0670
cáÖK=VK kçêã~ä=ÑìëáåÖ=äáåâë=áå
ëÉêáÉë=ïáíÜ=É~ÅÜ=Äç~êÇ
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
ïáíÜáå= NKR= t= ~í= ~ãÄáÉåí= çÑ= OR
Œ
`K
Eo
íÜg^
= Z= UM= hLt= Ñçê= qlJOOMI= ~åÇ
o
íÜg^
=Z=NMM=hLt=Ñçê=qlJOROF
kçêã~ä= ÉäÉÅíêçëí~íáÅ= Ü~åÇäáåÖ
éêÉÅ~ìíáçåë= Ñçê= jlp= ÇÉîáÅÉë
ëÜçìäÇ=ÄÉ=~ÇÜÉêÉÇ=íçK
IXYS Semiconductor GmbH
Edisonstr. 15; D-68623 Lampertheim, Germany
Tel: +49-6206-503-0; Fax: +49-6206-503627
Q
«=OMMM=fuvp=^ää=êáÖÜíë=êÉëÉêîÉÇ
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