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AZ431-B

ADJUSTABLE PRECISION SHUNT REGULATORS

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Description

The AZ431-A is a three-terminal adjustable shunt regulator with guaranteed thermal stability over a full operation range. It features sharp turn-on characteristics, low temperature coefficient and low output impedance, which make it ideal substitute for Zener diode in applications such as switching power supply, charger and other adjustable regulators. The output voltage of AZ431-A can be set to any value between VREF (2.5V) and the corresponding maximum cathode voltage (36V). The AZ431-A precision reference is offered in two voltage tolerance: 0.4% and 0.8%.

Application(s)

  • Charger
  • Voltage Adapter
  • Switching Power Supply
  • Graphic Card
  • Precision Voltage Reference

Feature(s)

  • Programmable Precise Output Voltage from 2.5V to 36V
  • High Stability under Capacitive Load
  • Low Temperature Deviation: 4.5mV Typical
  • Low Equivalent Full-range Temperature Coefficient with 20PPM/°C Typical
  • Sink Current Capacity from 1mA to 100mA
  • Low Output Noise
  • Wide Operating Range of -40 to 125°C

Product Specifications

Product Parameters

Compliance (Only Automotive supports PPAP) Standard
Qualified to AEC-Q10x No
ReferenceVoltage (V) 2.5
Accuracy (%) 0.8, 0.4
MaximumInput Voltage (V) 18
Sink Current (mA) 100
Power Supply Rejection Ratio -
Minimum Cathode Current for Regulation Typ (µA) 400
Maximum Slope Resistance (Ω) 0.5
Operating Ambient Temperature Range (°C) -40 to 125

Related Content

Packages

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Our shunt voltage regulator portfolio includes 2.5V, 1.24V, and 0.6V reference voltage devices covering consumer, computing, industrial, and automotive applications.

It includes industry standard TL431 and TL432 equivalents, as well as footprint compatible, very low minimum (knee) current for latest low standby power isolated power supplies. Additionally, it includes a well enhanced operating voltage range TLV431 (1.24V) equivalents. All of the 2.5V and 1.24V support operating temperatures up to 125°C as standard, therefore reducing the number of variants that need to be qualified and stocked.

Automotive-compliant variants are available which are qualified to AEC-Q100 Grade 1 in IATF 16949 facilities supporting PPAP documentation.

Orderable Part Number Buy from Distributor / Contact Sales Request Samples
AZ431BN-ATRE1

AZ431BN-ATRE1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 2864 9/17/2021 South America, North America, Asia, Europe, Middle East Buy Now
Digi-Key Electronics 2944 9/16/2021 Europe, Asia, North America Buy Now
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AZ431BR-ATRE1

AZ431BR-ATRE1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 1999 9/17/2021 South America, North America, Asia, Europe, Middle East Buy Now
Request Sample
AZ431BZ-AE1

AZ431BZ-AE1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 6832 9/17/2021 South America, North America, Asia, Europe, Middle East Buy Now
Request Sample
AZ431BZ-ATRE1

AZ431BZ-ATRE1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 5233 9/17/2021 South America, North America, Asia, Europe, Middle East Buy Now
Request Sample
AZ431BZ-ATRG1

AZ431BZ-ATRG1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Avnet EU 10000 9/17/2021 Germany Buy Now
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AZ431BZ-BTRE1

AZ431BZ-BTRE1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Mouser Electronics Inc. 2464 9/17/2021 South America, North America, Asia, Europe, Middle East Buy Now
Request Sample

PCNs

Product Change Notices

PCN # Issue Date Implementation Date Subject
PCN-2331 2018-03-22 2018-06-22 Additional Qualified BOM (Bill of Materials) on Selected Devices