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JC(T
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CJ431/CD431
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Adjustable Accurate Reference Source
'(9,&( '(6&5,36,21
The CJ431
&'
is a three-terminal adjustable shunt regulator
offering excellent temperature stability . This device has a typical
dynamic output impedance of 0.2 . The device can be used as
a replacement for zener diodes in many applications.
)($785(6
z
The output voltage can be adjusted to 36V
z
Low dynamic output impedance, its typical value is 0.2
z
Trapping current capability is 1 to 100mA
z
Low output noise voltage
z
Fast on -state response
z
The effective temperature compensation in the working range of full temperature
z
The typical value of the equivalent temperature factor in the whole temperature scope is 50 ppm/
$33/,&$7,21
z
Shunt Regulator
z
High-Current Shunt Regulator
z
Precision Current Limiter
&-
627
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627
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ORDERING INFORMATION
(1)
Part Number
MARKING
&-
CD431
&-
Package
627
627
627
Packing Method
Reel
Reel
Reel
%XON
7DSH
Pack Quantity
3000pcs/Reel
3000pcs/Reel
1000pcs/Reel
1000pcs/Bag
2000pcs/Box
431
z
CD431
z
CJ431
z
&-
&-7$
CJ
TL431
z
X
X X
CJ
TL431
z
X
X X
(2)
(2)
72
72
Notes: (1).
Solid
dot = Green molding compound device, if none, the normal device.
(2).
;;; &RGH
ABSOLUTE MAXIMUM RATINGS
(Operating temperature range applies unless otherwise specified)
Value
Parameter
Cathode Voltage
Cathode Current Range (Continuous)
Reference lnput Current Range
Power Dissipation
Thermal Resistance from Junction to Ambient
Operating Temperature
Junction Temperature
Storage Temperature Range
Symbol
SOT-23
V
KA
I
KA
Iref
P
D
R
JA
Unit
SOT-89
36
-100-+150
0.05-+10
300
417
500
250
-25~+85
150
-65~+150
770
162
TO-92
V
mA
mA
mW
/W
Topr
T
J
T
STG
(/(&75,&$/ &+$5$&7(5,67,&6 7
D
Parameter
Reference
Lnput Yoltage
Deviation of
Ueference ,nput Yoltage
Rver Wemperature
(note)
Ratio
Rf Fhange
in
Ueference
lnput
Yoltage
to the
Fhange
in
Fathode
Yoltage
Reference
Lnput Furrent
Deviation
Rf Ueference Lnput Furrent
Rver Iull Wemperature Uange
Minimum
Fathode Furrent
for
Uegulation
Off-state
Fathode Furrent
Dynamic
Lmpedance
Symbol
V
ref
V
ref
/ T
XQOHVV RWKHUZLVH VSHFLILHG
Test
conditions
MLQ
2.475
T\S
2.5
4.5
-1.0
-0.5
1.5
MD[
2.525
17
-2.7
-2.0
4
8 QLW
V
mV
PV/V
PV/V
A
V
KA
=V
REF
, I
KA
=10mA
V
KA
=V
REF
, I
KA
=10mA
T
MIN
T
a
T
MAX
V
KA
=10V~V
REF
I
KA
=10mA
V
KA
=36V~10V
I
KA
= 10mA,R
1
=10N
R
2
=
l
KA
=10mA, R
1
=10N
R
2
=
T
A
=-25 to 85
V
KA
=V
REF
V
KA
=36V ,V
REF
=0
V
KA
=V
REF
, l
KA
=1 to 100mA
f1.0NHz
V
ref
/
V
KA
l
ref
l
ref
/ T
I
KA(min)
I
KA(OFF)
Z
KA
0.4
1.2
A
0.45
0.05
0.15
1.0
1.0
0.5
mA
A
Note:T
MIN
=
,
T
MAX
=+
Vref
CLASSIFICATION
Rank
Range
0.5%
2.487-2.513
1%
2.475-2.525
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I
K
=10mA
T
a
=25
-4
0
V
ref
, REFERENCE INPUT VOLTAGE
(mV)
-8
-12
-16
-20
0
5
10
15
20
25
30
35
40
V
KA
, CATHODE VOLTAGE
(V)
Test Circuit for V
KA
=V
ref
(1+R1/R2)+R1*I
ref
700
5HIHUHQFH ,QSXW &XUUHQW YHUVXV
$PELHQW 7HPSHUDWXUH
(nA)
I
ref
, REFERENCE INPUT CURRENT
600
500
400
300
200
100
I
K
=10mA
R
1
=10K
-20
0
20
40
60
80
100
0
-40
Test Circuit for I
ref
T
a
, AMBIENT TEMPERATURE
(
)
2II6WDWH &DWKRGH &XUUHQW
YHUVXV $PELHQW 7HPSHUDWXUH
50
(nA)
I
off
, OFF-STATE CATHODE CURRENT
45
40
35
30
25
20
15
10
5
0
-40
V
KA
=36V
V
ref
=0V
-20
0
20
40
60
80
100
Test Circuit for I
off
T
a
, AMBIENT TEMPERATURE
(
)
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Symbol
A
A1
A2
b
c
D
E
E1
e
e1
L
L1
Dimensions In Millimeters
Min
Max
0.900
1.150
0.000
0.100
0.900
1.050
0.300
0.500
0.080
0.150
2.800
3.000
1.200
1.400
2.250
2.550
0.950 TYP
1.800
2.000
0.550 REF
0.300
0.500
0°
8°
Dimensions In Inches
Min
Max
0.035
0.045
0.000
0.004
0.035
0.041
0.012
0.020
0.003
0.006
0.110
0.118
0.047
0.055
0.089
0.100
0.037 TYP
0.071
0.079
0.022 REF
0.012
0.020
0°
°
627 6XJJHVWHG 3DG /D\RXW
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嵌入式系统
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