c9032a725c3595ab244f7bffeb62ec45

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
JC(T
CJ432
TO-92 Encapsulate Adjustable Reference Source
Adjustable Accurate Reference Source
DEVICE DESCRIPSION
The CJ432 is a three-terminal Shunt Voltage Reference providing a
highly accurance 1.24V. The CJ432 thermal stability and wide operating
current, makes is sritable for all variety of applications that are looking
for a low cost solution with high performance.
FEATURES
z Low dynamic output impedance
z The effective temperature compensation in the working
range of full temperature
z Low output noise voltage
z Fast on -state response
z Sink current capability of 0.1mA to100mA
TO-92
1. REFERENCE
2. ANODE
3. CATHODE
1
2
3
APPLICATION
z Shunt Regulator
z High-Current Shunt Regulator
z Precision Current Limiter
ABSOLUTE MAXIMUM RATINGS (Operating temperature rangeapplies unless otherwise specified)
Symbol
Value
Unit
Cathode Voltage
Parameter
VKA
18
V
Cathode Current Range (continuous)
IKA
100
mA
Reference lnput Current Range
Iref
6
μA
Power Dissipation
Thermal Resistance from Junction to Ambient
Operating Temperature
PD
500
mW
RθJA
250
℃/W
Topr
~+
℃
Junction Temperature
TJ
150
℃
Storage Temperature
Tstg
-65~+150
℃
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1
E,Mar,2016
ELECTRICAL CHARACTERISTICS (Ta=25℃ unless otherwise specified)
Parameter
Symbol
Reference input voltage (Fig 1)
Vref
Deviation of reference voltage over full
the change in cathode voltage (Fig 2)
Deviation of reference input current over full
Max
Unit
1.2586
V
16
mV
2.4
mV/V
0.6
μA
VKA=VREF
0.1
mA
VKA=15V,VREF=0
0.5
μA
0.5
Ω
1.2214
IKA=10mA,
△VKA=1.25V~15V
lKA=10mA, R1=10KΩ,
R2=∞, 0℃≤Ta≤70℃
IKA(min)
(Fig 1)
Off-state cathode current (Fig 3)
Typ
0℃≤Ta≤70℃
△lref /△T
Minimum cathode current for regulation
Min
VKA =VREF, IKA =10mA
△Vref /△VKA
temperature range (Fig 2)
conditions
VKA=VREF, IKA=10mA
△Vref(DEV)
temperature range (Fig 1)
Ratio of change in reference input voltage to
Test
Ioff
VKA=VREF, lKA=0.1~20mA,
Dynamic impedance
ZKA
f≤1.0kHz
CLASSIFICATION of Vref
Rank
1%
1.5%
Range
1.2276~1.2524
1.2214~1.2586
Figure 1. Test Circuit for VKA = Vref
Input
IK
VKA
Figure 2. Test Circuit for VKA > Vref
R1
Vref
VKA
Input
Iref
Input
Ioff
IK
R2
V
KA
Figure 3. Test Circuit for Ioff
VKA
ǒ Ǔ
+ Vref 1 ) R1
) Iref S R1
R2
Vref
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E,Mar,2016
Typical Characteristics
Cathode Current versus
Cathode Voltage
IK, CATHODE CURRENT
(mA)
100
50
0
-50
VKA=Vref
-100
-1.5
Ta=25℃
-1.0
-0.5
0.0
0.5
VKA, CATHODE VOLTAGE
1.0
1.5
(V)
KA
Cathode Current versus
Cathode Voltage
400
IK, CATHODE CURRENT
(uA)
KA
300
200
IKA(min)
100
0
ref
-100
VKA=Vref
Ta=25℃
-200
-1.0
-0.5
0.0
0.5
VKA, CATHODE VOLTAGE
1.0
1.5
Test Circuit for VKA=Vref
(V)
Reference Input Voltage versus
Ambient Temperature
Vref, REFERENCE INPUT VOLTAGE
(mV)
1300
1275
1250
1225
1200
VKA=Vref
1175
-40
IK=10mA
-20
0
20
40
Ta, AMBIENT TEMPERATURE
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60
80
100
(℃)
3
E,Mar,2016
Typical Characteristics
Change in Reference Input
Voltage versus Cathode Voltage
△Vref, REFERENCE INPUT VOLTAGE
(mV)
0
IK=10mA
Ta=25℃
-4
-8
-12
-16
-20
-24
0
3
6
9
VKA, CATHODE VOLTAGE
12
15
Test Circuit for VKA=Vref(1+R1/R2)+R1*Iref
(V)
Reference Input Current versus
Ambient Temperature
Iref, REFERENCE INPUT CURRENT
(nA)
500
400
300
200
100
IK=10mA
0
-40
R1=10KΩ
-20
0
20
40
60
Ta, AMBIENT TEMPERATURE
80
Test Circuit for Iref
100
(℃)
Off-State Cathode Current
versus Ambient Temperature
Ioff, OFF-STATE CATHODE CURRENT
(nA)
40
35
30
25
20
15
10
VKA=15V
5
Test Circuit for Ioff
Vref=0V
0
-40
-20
0
20
40
Ta, AMBIENT TEMPERATURE
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60
80
100
(℃)
4
D,Sep,2014
TO-92 Package Outline Dimensions
Symbol
A
A1
b
c
D
D1
E
e
e1
L
Φ
h
Dimensions In Millimeters
Min
Max
3.300
3.700
1.100
1.400
0.380
0.550
0.360
0.510
4.300
4.700
3.430
4.300
4.700
1.270 TYP
2.440
2.640
14.100
14.500
1.600
0.000
0.380
Dimensions In Inches
Min
Max
0.130
0.146
0.043
0.055
0.015
0.022
0.014
0.020
0.169
0.185
0.135
0.169
0.185
0.050 TYP
0.096
0.104
0.555
0.571
0.063
0.000
0.015
TO-92 Suggested Pad Layout
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5
D,Sep,2014
TO-92 7DSHDQG5HHO
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D,Sep,2014