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TS2431 Datasheet(PDF) 1 Page - Taiwan Semiconductor Company, Ltd

Part No. TS2431
Description  Adjustable Precision Shunt Regulator
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Maker  TSC [Taiwan Semiconductor Company, Ltd]
Homepage  http://www.taiwansemi.com
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TS2431 Datasheet(HTML) 1 Page - Taiwan Semiconductor Company, Ltd

 
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TS2431
Adjustable Precision Shunt Regulator
1/13
Version: E07
TO-92
SOT-89
SOT-23
SOP-8
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 VREF 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 = 25oC unless otherwise noted)
Parameter
Symbol
Limit
Unit
Cathode Voltage (Note 1)
VKA
37
V
Continuous Cathode Current Range
IK
-100 ~ +150
mA
Reference Input Current Range
IREF
-0.05 ~ +10
mA
TO-92
0.625
SOT-23
0.30
Power Dissipation
SOT-89 / SOP-8
PD
0.50
W
Junction Temperature
TJ
+150
oC
Operating Temperature Range
TOPER
0 ~ +70
oC
Storage Temperature Range
TSTG
-65 ~ +150
oC
Note 1: Voltage values are with respect to the anode terminal unless otherwise noted.
Pin Definition:
1. Cathode
2. Reference
3. Anode
Pin Definition:
1. Cathode
8. Reference
2. Anode
7. Anode
3. Anode
6. Anode
4. N/C
5. N/C
Pin Definition:
1. Reference
2. Anode
3. Cathode


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