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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 0.4% SOT23-3
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：36 V
- Current - Output：100 mA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
- Grade：-
- Qualification：-
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Overview
The AZ431AN-ATRG1 is a three-terminal adjustable precision shunt regulator manufactured by Diodes Incorporated. It provides a reference voltage of 2.5V with an initial accuracy tolerance of ±0.4%. The device supports programmable output voltages ranging from 2.5V to 36V and operates within a cathode current range of 1mA to 100mA. It features a typical temperature coefficient of 20PPM/°C and maintains thermal stability across an operating ambient temperature range of -40°C to +125°C. The component utilizes a SOT-23 surface-mount package.
Feature Summary
- Offers sharp turn-on characteristics and low output impedance for stable regulation
- Provides high stability under capacitive load conditions
- Features low equivalent full-range temperature deviation
- Functions as a direct substitute for Zener diodes in precision circuits
Applications
- Charger circuits
- Voltage adapters
- Switching power supplies
- Graphic cards
- Precision voltage references
Procurement Notes
Verify the specific ordering suffix against official manufacturer documentation to confirm package type, voltage tolerance, and environmental compliance status. Confirm that the requested variant matches the required RoHS and Halogen-free specifications. Ensure compatibility with existing design constraints before procurement.
Selection Notes
Select this component when precise voltage referencing is required in space-constrained designs utilizing SOT-23 packages. Consider the ±0.4% tolerance and wide operating temperature range for applications demanding high accuracy. Evaluate the sink current capacity requirements to ensure operation remains within the specified 1mA to 100mA range for optimal performance.
Part Context
This part belongs to the AZ431-A series of adjustable precision shunt regulators. The series includes variants with different voltage tolerances and packaging options such as TO-92 and SOT-89. The AZ431AN-ATRG1 specifically denotes the 0.4% tolerance version housed in a tape-and-reel SOT-23 package.
Replacement Considerations
The datasheet identifies AZ431AN-ATRE1 as an alternative variant within the same family. Verify functional equivalence regarding tolerance and package dimensions before substitution.
