TL431ATA The TL431ATA from HTC is a programmable precision shunt regulator. It offers an adjustable output voltage up to 40V with a guaranteed 0.5% reference voltage tolerance.
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TL431ATA

Available from 1 distributors
Mfr Name: HTC
HTC
The TL431ATA from HTC is a programmable precision shunt regulator. It offers an adjustable output voltage up to 40V with a guaranteed 0.5% reference voltage tolerance.
Total Stock: 4,105 pcs

TL431ATA Available from 1 distributor

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4,105 pcs
4105 pcs On Request 1 On Request On Request 0936P//A/ On Request On Request

TL431ATA Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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TL431ATA Description

Short technical summary and product information.

The TL431ATA by HTC is a three-terminal adjustable shunt regulator designed for precision voltage regulation applications. It features a programmable output voltage capability, allowing users to set the output to any value between approximately 2.5V and 40V using two external resistors. This device boasts a guaranteed 0.5% reference voltage tolerance, ensuring high accuracy in its operation.

 

With a low typical dynamic output impedance of 0.2Ω, the TL431ATA provides stable regulation. It operates over a wide temperature range of -40℃ to +125℃ and has a low output noise voltage and fast turn-on response, making it an excellent replacement for zener diodes in various circuits.

 

The TL431ATA is available in multiple package types, including TO-92, SOT-23 3L, and SOT-89 3L, catering to different design requirements for board space and thermal management. Its applications include shunt regulation, precision high-current series regulation, crowbar circuits, and voltage monitoring.

 

Key electrical characteristics include a cathode current range of -100mA to 150mA and a reference input current range of -0.05mA to 10mA. The device is temperature compensated for stable operation across its specified temperature range.

TL431ATA Quick Information

Product Type: Shunt Regulator
Series: TL431
Canonical Name: TL431 Programmable Precision Shunt Regulator
Subcategory: Shunt Regulator

TL431ATA Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TL431ATA Features

  • Programmable output voltage up to 40V.
  • Guaranteed 0.5% reference voltage tolerance.
  • Low 0.2Ω typical dynamic output impedance.
  • Wide -40°C to +125°C operating temperature.
  • Available in TO-92, SOT-23, and SOT-89 packages.

TL431ATA Applications

  • Used as a shunt regulator.
  • Precision high-current series regulator.
  • Crowbar circuit applications.
  • Voltage monitor circuits.
  • Precision current limiter.

TL431ATA FAQs

6 frequently asked questions generated from this part’s specifications.
What is the reference voltage of the TL431ATA?

The reference voltage is approximately 2.5V with a guaranteed 0.5% tolerance for TL431C/A variants.

What is the maximum programmable output voltage?

The output voltage can be programmed up to 40V.

What is the operating temperature range?

The operating temperature range is -40°C to 125°C.

What package is the TL431ATA available in?

The device is available in a TO-220 through-hole package.

What is the continuous cathode current range?

The continuous cathode current range is -100 mA to 150 mA.

What is the typical temperature coefficient?

The typical full range temperature coefficient is 50 PPM/°C.

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