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TS431CS, TS431I, TS431ILT

Table of contents:
Info of TS431CS
Info of TS431I
Info of TS431ILT

TS431CS, TS431I, TS431ILT Selling Leads, Datasheet

MFG:STMicroelectronics Category:Integrated Circuits (ICs) Package Cooled:SOP-8 D/C:SOP8

TS431CS, TS431I, TS431ILT Datasheet download

Five Points

Part Number: TS431ILT

Category: Integrated Circuits (ICs)

MFG: STMicroelectronics

Package Cooled: SOP-8

D/C: SOP8

Description: IC VREF ADJUSTABLE SHUNT SOT23-5

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TS431I General Description

TheTS431is a threeterminals programmableshunt VoltageReferenceoptimizedfor hightemperatures. However, it can operate from -40 up to +125.

Theoutput voltage is set by two externalresistors to any value between 1.24 and 6V. When driving an optocoupler, the TS431 is particularly interesting to
regulate 3.3V switching power supplies.

TS431I Maximum Ratings

Symbol	Parameter	Value	Unit
V_KA	Cathode to Anode Voltage	10	V
I_K	Continuous Cathode Current Range	-20 to +40	mA
I_ref	Reference Input Current Range	-0.05 to +3	mA
P_d	Power dissipation, TO92 package @ Tamb. = 25 Power dissipation, SO23-5 package @ Tamb. = 25	625 500	mW
T_oper	Operating Free-air Temperature Range	-40 to +125
T_stg	Storage Temperature Range	-65 to +150

TS431I Features

`LOW VOLTAGE OPERATION: 1.24 TO 6V .
`2% and 1% VOLTAGE PRECISION
`WIDE RANGE CATHODE CURRENT: 25A .TO 30mA .
`LOW OUTPUT IMPEDANCE : 0.25W HIGH STABILITY WHILE OPERATING WITH CAPACITIVE LOAD
` ESD PROTECTION :
5kV (Human Body Model)
200V (Machine Model)
`OPTIMIZED FOR HIGH TEMPERATURES

TS431I Connection Diagram

TS431ILT Parameters

Technical/Catalog Information	TS431ILT
Vendor	STMicroelectronics
Category	Integrated Circuits (ICs)
Reference Type	Shunt, Adjustable
Voltage - Output	1.24 ~ 6 V
Tolerance	±2%
Temperature Coefficient	100ppm/°C
Voltage - Input	-
Number of Channels	1
Current - Cathode	40A
Current - Quiescent	-
Current - Output	30mA
Operating Temperature	-40°C ~ 125°C
Package / Case	SOT-23-5
Packaging	Cut Tape (CT)
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	TS431ILT TS431ILT 497 8106 1 ND 49781061ND 497-8106-1

TS431ILT General Description

The TS431 is a low-voltage, three-terminal, programmable shunt voltage reference. The output voltage can be set to any value between Vref (1.24V) and 6V with two external resistors.

The TS431 is able to operate at a lower voltage (1.24V) and lower cathode current than the widely used TL431 and TL1431 shunt voltage reference. When driving an optocoupler, the TS431 is particularly useful for regulating 3.3V switching power supplies.

TS431ILT Maximum Ratings

Symbol	Parameter	Value	Unit
V_KA	Cathode to anode voltage	10	V
I_k	Continuous cathode current range	-20 to +40	mA
I_ref	Reference input current range	-0.05 to +3	mA
P_d	Power dissipation(1) TO92 package SOT23-5 package	625 500	mW
T_std	Storage temperature range	-65 to +150	°C

1. T_junction=150°C, T_amb=25°C with
R_THj-a=200°C/W for TO92 package and
R_THj-a=250°C/W for SOT23-5L package

TS431ILT Features

` Low voltage operation: 1.24 to 6V
` 2%, 1% and 0.5% voltage precision
` Wide operating range cathode current: 60A to 30mA
` Low output impedance: 0.2
` Typically stable for any capacitive loads
` ESD protection:
` Human body model: 2kV
` Machine model: 200V
` 100ppm/°C temperature coefficient

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