tl431a3 Cystech Electonics Corp., tl431a3 Datasheet

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tl431a3

Manufacturer Part Number
tl431a3
Description
Adjustable Precision Shunt Regulators
Manufacturer
Cystech Electonics Corp.
Datasheet
Adjustable Precision Shunt Regulators
TL431A3
Description
The TL431A3 series are three-terminal adjustable regulators with
guaranteed thermal stability over applicable temperature ranges. The output voltage may be set to any
value between V
have a typical dynamic output impedance of 0.2 . Active output circuitry provides a very sharp turn-on
characteristic, making these devices excellent replacement for zener diodes in many applications.
Features
Classification
Absolute Maximum Ratings
(Operating temperature range applies unless otherwise specified)
TL431A3
Cathode Voltage
Cathode Current Range (Continuous)
Reference Input Current Range
Power Dissipation
Operating Temperature Range
Storage Temperature Range
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
Rank
V
REF
2.495 0.5%
Characteristics
REF
A
(approximately 2.495 volts) and 36 volts with two external resistors. These devices
CYStech Electronics Corp.
2.495 1%
B
2.495 2%
Symbol
I
T
V
T
REF
P
I
C
opr
stg
KA
K
D
-100~+150
0.05~+10
-65~+150
-40~+85
Value
770
37
CYStek Product Specification
Spec. No. : C502A3
Issued Date : 2003.03.26
Revised Date : 2007.12.21
Page No. : 1/6
TO-92
Unit
mW
mA
mA
V
C
C

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tl431a3 Summary of contents

Page 1

... Adjustable Precision Shunt Regulators TL431A3 Description The TL431A3 series are three-terminal adjustable regulators with guaranteed thermal stability over applicable temperature ranges. The output voltage may be set to any value between V (approximately 2.495 volts) and 36 volts with two external resistors. These devices REF have a typical dynamic output impedance of 0 ...

Page 2

... Over-Temperature Ratio of Change in Reference Input Voltage to the Change in Cathode Voltage Reference Input Current Deviation of Reference Input Current Over Full Temperature Range Minimum Cathode Current for Regulation Off-State Cathode Current Dynamic impedance TL431A3 CYStech Electronics Corp REF V R2 REF Fig 2. Test Circuit for V > ...

Page 3

... AMB IENT TEMP ER ATURE 515 505 495 485 2. 48 -50 - AMBIENT TEMP ERATURE(℃ ) TL431A3 CYStech Electronics Corp. CATHODE C URR ENT vs C ATHODE VOLTAGE 800 700 600 500 400 300 200 100 -100 -200 75 100 125 Spec. No. : C502A3 Issued Date : 2003 ...

Page 4

... VKA - C ATHODE VOLTAGE (V) OP EN-LOOP VOLTAGE GAIN EQUENC EQUENC Y (KHz ) TL431A3 CYStech Electronics Corp 100 1000 Spec. No. : C502A3 Issued Date : 2003.03.26 Revised Date : 2007.12.21 Page No. : 4/6 DYNAMIC IMP EDANC EQUENC E 100 ...

Page 5

... P2 4 Feed Hole Pitch T Over All Tape Thickness T1 Total Taped Package Thickness T2 Carrier Tape Thickness W Tape Width W1 Adhesive Tape Width - 20 pcs Pitch TL431A3 CYStech Electronics Corp. H2A H2A A F1F2 P1 P Item Spec. No. : C502A3 Issued Date : 2003.03.26 Revised Date : 2007.12.21 Page No. : 5/6 D2 ...

Page 6

... All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of CYStek. CYStek reserves the right to make changes to its products without notice. CYStek semiconductor products are not warranted to be suitable for use in Life-Support Applications, or systems. CYStek assumes no liability for any consequence of customer product design, infringement of patents, or application assistance. TL431A3 CYStech Electronics Corp ...

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