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Promax-Johnton Semiconductor - Programmable Precision References

Numéro de référence PJ1431
Description Programmable Precision References
Fabricant Promax-Johnton Semiconductor 
Logo Promax-Johnton Semiconductor 





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PJ1431 fiche technique
PJ1431
Programmable Precision References
T he PJ1431 integrated circuits are three-terminal
programmable shunt regulator diodes. These
monolithic IC voltage references operate as a low
temperature coefficient zener which is programmable
from Vref to 36 volts with two external resistors. These
devices exhibit a wide operating current range of 1.0 to
100mA with a typical dynamic impedance of
0.22.The characteristics of these references make
them excellent replacements for zener diodes in many
applications such as digital voltmeters, power supplies ,
and op amp circuitry. The 2.5 volt reference makes it
convenient to obtain a stable reference from 5.0 volt
logic supplies, and since The PJ1431 operates as a shunt
regulator, it can be used as either a positive or negative
tage reference.
FEATURES
Programmable Output Voltage to 36 Volts
Low Dynamic Output Impedance, 0.22 Type
Sink Current Capability of 1.0 to 100 mA
Equivalent Full-Range Temperature
Coefficient of 50 ppm/ Typical
Temperature Compensated for Operation over
Full Rated Operating Temperature Range
Low Output Noise Voltage
CIRCUIT SCHEMATIC
SOT-23
Pin: 1. Cathode
2. Reference
3. Anode
QRDERING INFORMATION
Device
PJ1431CX
Operating Temperature
(Ambient)
-20℃〜+85
Package
SOT-23
MAXIMUM RATINGS (Full operating ambient temperature range applies unless otherwise noted.)
Rating
Cathode To Anode Voltage
omCathode Current Range, Continuous
.cReference Input Current Range, Continuous
uOperating Junction Temperature
t4Operating Ambient Temperature Range
eStorage Temperature Range
heTotal Power Dissipation @ TA = 25
sDerate above 25Ambient Temperature PJ1431CX
taTotal Power Dissipation @ TC = 25
www.daDerate above 25Case Temperature PJ1431CX
1-9
Symbol
VKA
IK
Iref
TJ
TA
Tstg
PD
PD
Value
37
-100 to +150
-0.05 to +10
150
-20 to +85
-65 to +150
0.30
0.7
Unit
V
mA
mA
W
W
2002.ver.A

PagesPages 9
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