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PL78L12XA3 Datasheet(HTML) 1 Page - Cystech Electonics Corp.

Part No. PL78L12XA3
Description  Three Terminal Low Current Positive Voltage Regulators
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Maker  CYSTEKEC [Cystech Electonics Corp.]
Homepage  http://www.cystekec.com
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PL78L12XA3 Datasheet(HTML) 1 Page - Cystech Electonics Corp.

   
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CYStech Electronics Corp.
Spec. No. : C519A3
Issued Date : 2003.03.26
Revised Date :
. .
Page No. : 1/4
PL78L12A3
CYStek Product Specification
Three Terminal Low Current Positive Voltage Regulators
PL78L12XA3
Description
These regulators employ internal current-limiting and thermal-shutdown,
making them essentially indestructible. They can deliver up to 100mA
output current. if the case temperature can keep in Tc=25
°C.
They are intended as fixed voltage regulators in a wide range of appli-
cations including local (on-card) regulation for elimination of noise and
distribution problems associated with single-point regulation. In addition,
they can be used with power pass elements to make high-current
voltage regulators. The PL78L12 used as a Zener diode/resistor com-
bination replacement, offers an effective output impedance improvement
of typically two orders of magnitude, along with lower quiescent current
and lower noise.
Absolute Maximum Ratings (Ta=25°C)
• Input Voltage………………………………………………………………………………………………. 35 V
• Total Power Dissipation……………………………………………………………………. Internally limited
• Operating Temperature Range……………………………………………………………. 0 °C to +125 °C
• Maximum Junction Temperature………………………………………………………………………125 °C
• Storage Temperature Range………………………………………………………………-55 °C to +150 °C
• Lead Temperature (Soldering 10S)……………………………….. ……………………………...260
°C
Schematic Diagram
Typical Application
TO-92
1.9k
Gnd
576
3.41k
3.89k
7.8k
13k
2.84k
5.7k
100
100
Vin
Vout
2.23k
1.5k
5k
5p
PL78L12
Vout
Vin
C1
C2
Note:
C1 and C2 are required if regulator is
located far from power supply filter
and load, or oscillation may induced
on the loop.


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