TL431N3 查看數據表（PDF） - Cystech Electonics Corp.
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TL431N3 Datasheet PDF : 6 Pages
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CYStech Electronics Corp.
Adjustable Precision Shunt Regulators
TL431N3
Spec. No. : C502N3
Issued Date : 2003.04.02
Revised Date : 2008.06.24
Page No. : 1/ 6
SOT-23
Description
The TL431N3 series are three-terminal adjustable regulators with guaranteed thermal stability over
applicable temperature range. The output voltage may be set to any value between VREF (approximately
2.495 volts) and 36 volts with two external resistors. These devices have a typical dynamic output
impedance of 0.2Ω. Active output circuitry provides a very sharp turn-on characteristic, making these
devices excellent replacement for zener diodes in many applications.
Features
• Programmable output voltage
• Temperature coefficient is 50ppm/°C typical
• Temperature compensated for operation over full temperature range
• Low output noise voltage
• Fast turn on response
• Pb-free package
Classification
Rank
VREF
A
2.495±0.5%
B
2.495±1%
C
2.495±2%
Absolute Maximum Ratings
(Operating temperature range applies unless otherwise specified)
Characteristics
Cathode Voltage
Cathode Current Range (Continuous)
Reference Input Current Range
Power Dissipation
Operating Temperature Range
Junction Temperature Range
Storage Temperature Range
Symbol
VKA
IK
IREF
PD
Topr
Tj
Tstg
Value
37
-100~+150
-0.05~+10
300
-40~+125
-40~+150
-65~+150
Unit
V
mA
mA
mW
°C
°C
°C
TL431N3
CYStek Product Specification
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