TL431ASF The TL431ASF is a programmable precision shunt regulator from HTC, offering an adjustable output voltage up to 40V. It features a guaranteed 0.5% reference voltage tolerance and a low dynamic output impedance.
Mfr Part #:

TL431ASF

Available from 1 distributors
Mfr Name: HTC
HTC
The TL431ASF is a programmable precision shunt regulator from HTC, offering an adjustable output voltage up to 40V. It features a guaranteed 0.5% reference voltage tolerance and a low dynamic output impedance.
Total Stock: 3,815 pcs

TL431ASF Available from 1 distributor

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Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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3,815 pcs
3815 pcs On Request 1 On Request On Request 0934P//A/ On Request On Request

TL431ASF Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
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Automotive Grade
Industrial Grade
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Medical Grade
Military Grade
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TL431ASF Description

Short technical summary and product information.

The TL431ASF by HTC is a three-terminal adjustable shunt regulator designed for precision voltage regulation applications. It allows for a programmable output voltage up to 40V, controlled by two external resistors. The device boasts a guaranteed reference voltage tolerance of 0.5% and a typical dynamic output impedance of 0.2 Ohms, making it a superior replacement for zener diodes.

 

This shunt regulator operates over a wide temperature range of -40°C to 125°C, ensuring stable performance in various environments. Key features include temperature compensation for operation over the full rated temperature range, low output noise voltage, and fast turn-on response. The TL431ASF is available in a compact SOT-23-3 surface-mount package, suitable for space-constrained designs.

 

Applications for the TL431ASF include precision high-current series regulators, crowbar circuits, PWM converters with reference, voltage monitors, and precision current limiters. Its active output circuitry provides a sharp turn-on characteristic, enhancing its utility in demanding electronic circuits.

TL431ASF Quick Information

Product Type: Shunt Regulator
Series: TL431
Canonical Name: TL431ASF Programmable Precision Shunt Regulator
Subcategory: Shunt Regulator

TL431ASF Compliance

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

TL431ASF Features

  • Programmable output voltage up to 40V.
  • Guaranteed 0.5% reference voltage tolerance.
  • Low 0.2 Ohm typical dynamic output impedance.
  • Wide -40°C to 125°C operating temperature.
  • SOT-23-3 surface mount package.

TL431ASF Applications

  • Precision shunt regulation.
  • High-current series regulation.
  • Crowbar circuit applications.
  • Voltage monitoring circuits.
  • Precision current limiting.

TL431ASF FAQs

5 frequently asked questions generated from this part’s specifications.
What is the programmable output voltage range for the TL431ASF?

The output voltage can be programmed up to 40V.

What is the reference voltage tolerance of the TL431ASF?

The TL431ASF has a guaranteed reference voltage tolerance of 0.5%.

What is the typical dynamic output impedance of the TL431ASF?

The typical dynamic output impedance is 0.2 Ohms.

What is the operating temperature range for the TL431ASF?

The TL431ASF operates from -40°C to 125°C.

What package type is the TL431ASF available in?

The TL431ASF is available in a SOT-23-3 package.

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