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TS2431BCYRM

Description
Adjustable Precision Shunt Regulator
File Size890KB,13 Pages
ManufacturerTaiwan Semiconductor
Websitehttp://www.taiwansemi.com/
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TS2431BCYRM Overview

Adjustable Precision Shunt Regulator

TS2431
Adjustable Precision Shunt Regulator
TO-92
SOT-89
Pin Definition:
1. Reference
2. Anode
3. Cathode
SOT-23
Pin Definition:
1. Cathode
2. Reference
3. Anode
SOP-8
Pin Definition:
1. Cathode 8. Reference
2. Anode
7. Anode
3. Anode
6. Anode
4. N/C
5. N/C
General Description
TS2431 series 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 V
REF
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 2.5V reference makes it
convenient to obtain a stable reference from 5.0V logic supplies, and since The TS2431 series operates as a shunt
regulator, it can be used as either a positive or negative stage reference.
Features
Precision Reference Voltage
TS2431 – 2.495V±2%
TS2431A – 2.495V±1%
TS2431B – 2.495V±0.5%
Equivalent Full Range Temp. Coefficient: 50ppm/ ºC
Programmable Output Voltage up to 36V
Fast Turn-On Response
Sink Current Capability of 1~100mA
Low Dynamic Output Impedance: 0.2Ω
Low Output Noise
Ordering Information
Part No.
Package
Packing
TS2431xCT B0
TO-92
1Kpcs / Bulk
TS2431xCT A3
TO-92
2Kpcs / Ammo
TS2431xCX RF
SOT-23
3Kpcs / 7” Reel
TS2431xCY RM
SOT-89
1Kpcs / 7” Reel
TS2431xCS RL
SOP-8
2.5Kpcs / 13” Reel
Note: Where
xx
denotes voltage tolerance
Blank: ±2%
A: ±1%
B: ±0.5%
Application
Voltage Monitor
Delay Timmer
Constant –Current Source/Sink
High-Current Shunt Regulator
Crow Bar
Over-Voltage / Under-Voltage Protection
Block Diagram
Absolute Maximum Rating
(Ta = 25
o
C unless otherwise noted)
Parameter
Cathode Voltage (Note 1)
Continuous Cathode Current Range
Reference Input Current Range
Symbol
V
KA
I
K
I
REF
Limit
Unit
V
mA
mA
W
o
o
37
-100 ~ +150
-0.05 ~ +10
TO-92
0.625
P
D
Power Dissipation
SOT-23
0.30
SOT-89 / SOP-8
0.50
Junction Temperature
T
J
+150
Operating Temperature Range
T
OPER
0 ~ +70
Storage Temperature Range
T
STG
-65 ~ +150
Note 1: Voltage values are with respect to the anode terminal unless otherwise noted.
1/13
C
C
o
C
Version: E07
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