Download TO-92 Encapsulate Adjustable Reference Source CJ432

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-92 Encapsulate Adjustable Reference Source
CJ432
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
BDTIC
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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ELECTRICAL CHARACTERISTICS (Ta=25℃ unless otherwise specified)
Parameter
Symbol
Reference input voltage (Fig 1)
Deviation of reference voltage over full
temperature range (Fig 1)
Ratio of change in reference input voltage to
the change in cathode voltage (Fig 2)
Deviation of reference input current over full
temperature range (Fig 2)
Minimum cathode current for regulation
(Fig 1)
Off-state cathode current (Fig 3)
Vref
△Vref(DEV)
△Vref /△VKA
△lref /△T
IKA(min)
Ioff
Test
conditions
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
VKA=VREF, IKA=10mA
Min
Typ
1.2214
VKA =VREF, IKA =10mA
0℃≤Ta≤70℃
IKA=10mA,
△VKA=1.25V~15V
lKA=10mA, R1=10KΩ,
R2=∞, 0℃≤Ta≤70℃
VKA=VREF, lKA=0.1~20mA,
BDTIC
Dynamic impedance
ZKA
0.5
f≤1.0kHz
CLASSIFICATION of Vref
Rank
1%
1.5%
Range
1.2776~1.2524
1.2214~1.2586
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Ω
CJ432
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
BDTIC
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
60
80
100
(℃)
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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
BDTIC
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
100
(℃)
Test Circuit for Iref
Off-State Cathode Current
versus Ambient Temperature
Ioff, OFF-STATE CATHODE CURRENT
(nA)
40
35
30
25
20
15
10
VKA=15V
5
Vref=0V
0
-40
-20
0
20
40
Ta, AMBIENT TEMPERATURE
60
80
100
Test Circuit for Ioff
(℃)
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