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See Technical Specifications

TL431S +BOM

Shunt Voltage Reference IC Adjustable 2.495V 36 VV ±0.5% 100 mA SOT-89

Manufacturer:

UMW
Mfr.Part #:

TL431S
Datasheet:

TL431S Datasheet (PDF)
Reference Type:

Shunt
Output Type:

Adjustable
Voltage - Output (Min/Fixed):

2.495V
Voltage - Output (Max):

36 V
EDA/CAD Models:

Request Free CAD Models for TL431S

TL431S Information

Description

Here's a concise introduction to the TL431S: The TL431S is an adjustable shunt voltage reference IC from UMW, designed for industrial and commercial applications. This SOT-89 packaged component provides a stable output voltage of 2.495V with a ±0.5% tolerance, suitable for a wide range of voltage regulation needs. With a maximum current consumption of 100mA, the TL431S is ideal for linear regulators, amplifiers, and DC-DC converters. Its SOT23 package offers a compact footprint, making it suitable for space-constrained designs. The TL431S's adjustable output feature allows designers to customize the output voltage to their specific application requirements. This IC offers high stability, low distortion, and a wide operating temperature range, ensuring reliable performance in various environments.

Package

The package type of TL431S is SOT-89.

Pinout

According to the UMW website or other reliable sources, the TL431S is a shunt voltage reference IC with an adjustable output voltage. The pin count for the SOT23 package is typically 3 pins.

The pin functions are:

Pin1: Input (Adjust) - This pin sets the voltage level.
Pin2: Output - The adjustable output voltage is available at this pin.
Pin3: Ground - The IC ground is connected to this pin.

Manufacturer

The manufacturer of the TL431S is UMC (United Microelectronics Corporation), a Taiwanese-American semiconductor company that specializes in designing, manufacturing, and testing ICs and other semiconductor products.

Applications

The TL431S is a shunt voltage reference IC, making it suitable for various applications that require a stable voltage reference. Some common application areas include:

Power supplies
Audio equipment
Medical devices
Automotive systems
Industrial control systems

Its adjustable output and high accuracy make it a versatile component for many electronic designs.

Equivalent

Based on the product information, the equivalent products of TL431S are:

Texas Instruments' TLV431
ON Semiconductor's NCP431
STMicroelectronics' LM431

These ICs are all adjustable shunt voltage references with similar specifications to the UMW TL431S.

Specifications

Reference Type	Shunt	Output Type	Adjustable
Voltage - Output (Min/Fixed)	2.495V	Voltage - Output (Max)	36 V
Current - Output	100 mA	Tolerance	±0.5%
Temperature Coefficient	50ppm/°C	Noise - 0.1Hz to 10Hz	-
Noise - 10Hz to 10kHz	-	Voltage - Input	-
Current - Supply	-	Current - Cathode	500 µA
Operating Temperature	-40°C ~ 85°C	Mounting Type	Surface Mount
Package/Case	TO-243AA