AZ431BN-ATRE1 2.5V Adjustable Shunt Voltage Reference SOT-23-3 Guide
Product Technical Guide AZ431BN-ATRE1 Precision Shunt Reference GuideA structured overview of AZ431BN-ATRE1, including reference-voltage characteristics, package information, pin configuration, electri…
- Part No.:
- AZ431BN-ATRE1
- Manufacturer:
- Diodes Incorporated
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
- AZ431BN-ATRE1.pdf
- Description:
- IC VREF SHUNT ADJ 0.8% SOT23
- Quantity:
-
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AZ431BN-ATRE1 2.5V Adjustable Shunt Voltage Reference SOT-23-3 Guide
A structured overview of AZ431BN-ATRE1, including reference-voltage characteristics, package information, pin configuration, electrical specifications, applications, and replacement considerations.
Product Introduction
AZ431BN-ATRE1 is an adjustable precision shunt voltage reference manufactured by Diodes Incorporated. It is designed for voltage regulation, monitoring, and feedback applications requiring a programmable reference.
The device has a nominal 2.5V reference and supports an adjustable output range from 2.5V to 36V. Its SOT-23-3 package is suitable for compact power-management designs.
Key Benefits
Precision Reference
The device provides a nominal 2.5V reference with ±0.8% initial accuracy.
Adjustable Output
External resistors can configure the shunt reference for output voltages from 2.5V to 36V.
Compact SOT-23-3
The three-pin surface-mount package helps reduce PCB area in power-control circuits.
Features
- Adjustable precision shunt voltage reference
- 2.5V nominal reference voltage
- 2.5V to 36V adjustable output range
- ±0.8% initial accuracy
- Up to 100mA cathode/output current capability
- Typical temperature coefficient of 20ppm/°C
- SOT-23-3 surface-mount package
- -40°C to +125°C operating temperature range
Package
Package: SOT-23-3
Mounting: Surface Mount
Pin Count: 3
Topology: Shunt Voltage Reference
Pinout
Confirm the exact package orientation and pin numbering from the latest Diodes Incorporated datasheet before PCB production.
Specifications
| Parameter | Value |
|---|---|
| Reference Voltage | 2.5 V nominal |
| Initial Accuracy | ±0.8% |
| Adjustable Output | 2.5 V to 36 V |
| Output / Cathode Current | Up to 100 mA |
| Temperature Coefficient | 20 ppm/°C typ. |
| Operating Temperature | -40°C to +125°C |
| Package | SOT-23-3 |
Equivalent
Possible alternatives include other TL431/AZ431-family precision shunt references, but replacement selection should consider reference accuracy, minimum cathode current, temperature coefficient, output voltage range, package, pin assignment, and dynamic characteristics. Functional similarity does not automatically guarantee drop-in compatibility.
Manufacturer
Diodes Incorporated manufactures the AZ431 family of adjustable precision shunt voltage references for power management, regulation, monitoring, and feedback applications.
Applications
Power Supply Feedback
Commonly used in feedback loops to regulate and monitor output voltage in switching power supplies.
Shunt Regulation
Can be configured as an adjustable shunt regulator using an external resistor network.
Voltage Monitoring
Suitable for threshold detection and voltage monitoring circuits.
Optocoupler Feedback
Frequently used with optocouplers in isolated power-supply feedback circuits.
Disclaimer
The information provided on this page is for reference and product identification purposes only. Verify the latest Diodes Incorporated datasheet for reference accuracy, cathode current requirements, package dimensions, pin assignment, thermal limits, and application conditions before final design or replacement.
