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ZPSEMI |
CJ432
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
APPLICATION
z Shunt Regulator
z High-Current Shunt Regulator
z Precision Current Limiter
ABSOLUTE MAXIMUM RATINGS (Operating temperature rangeapplies unless otherwise specified)
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
Symbol
VKA
IKA
Iref
PD
RθJA
Topr
TJ
Tstg
Value
18
100
6
500
250
~+
150
-65~+150
Unit
V
mA
μA
mW
℃/W
℃
℃
℃
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CJ432
ELECTRICAL CHARACTERISTICS (Ta=25℃ unless otherwise specified)
Parameter
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)
Dynamic impedance
Symbol
Vref
△Vref(DEV)
△Vref /△VKA
△lref /△T
IKA(min)
Ioff
ZKA
Test conditions
VKA=VREF, IKA=10mA
VKA =VREF, IKA =10mA
0℃≤Ta≤70℃
IKA=10mA,
△VKA=1.25V~15V
lKA=10mA, R1=10KΩ,
R2=∞, 0℃≤Ta≤70℃
VKA=VREF
VKA=15V,VREF=0
VKA=VREF, lKA=0.1~20mA,
f≤1.0kHz
Min
1.2214
Typ Max Unit
1.2586 V
16 mV
2.4 mV/V
0.6 μA
0.1 mA
0.5 μA
0.5 Ω
CLASSIFICATION of Vref
Rank
Range
1%
1.2776~1.2524
1.5%
1.2214~1.2586
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