LM78M05XA3 데이터 시트보기 (PDF) - Cystech Electonics Corp.
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LM78M05XA3 Datasheet PDF : 4 Pages
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CYStech Electronics Corp.
Three Terminal Medium Current Positive
Voltage Regulators
Spec. No. : C520A3
Issued Date : 2003.03.27
Revised Date :2006.05.29
Page No. : 1/4
TO-92
LM78M05XA3
Description
These regulators employ internal current-limiting and thermal-shutdown,
making them essentially indestructible. They can deliver up to 500mA
output current, if the case temperature can be kept at Tc=25°C.
They are intended as fixed voltage regulators in a wide range of applications 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
LM78M05XA3 used as a Zener diode/resistor combination 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………………………………………………………………………………………………. 30 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
Typical Application
Vin
Vout
LM78M05
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.
Schematic Diagram
576Ω
3.41kΩ
3.89kΩ
13kΩ
7.8kΩ
Vin
5k
5.7kΩ
100
100
5p
1.5kΩ
1.9kΩ
Vout
2.23kΩ
2.84kΩ
Gnd
LM78M05XA3
CYStek Product Specification
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