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PDF PJ1431 Data sheet ( Hoja de datos )
| Número de pieza | PJ1431 | |
| Descripción | Programmable Precision References | |
| Fabricantes | Promax-Johnton Semiconductor | |
| Logotipo |  |
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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
0.22Ω.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 Ω 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 25℃ Ambient Temperature PJ1431CX
taTotal Power Dissipation @ TC = 25℃
www.daDerate above 25℃ Case 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
1 page  
FIGURE 10 - DYNAMIC IMPEDANCE
VERSUS FREQUENCY
PJ1431
Programmable Precision References
FIGURE 11 - DYNAMIC IMPEDANCE VERSUS
AMBIENT TEMPERATURE
FIGURE 12 - OPEN LOOP VOLTAGE GAIN VERSUS
FREQUENCY
FIGURE 13 - SPECTRAL NOISE DENSITY
FIGURE 14 - PULSE RESPONSE
FIGURE 15 - STABILITY BOUNDARY CONDITIONS
5-9 2002.ver.A
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet PJ1431.PDF ] | |
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