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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ TO92
- Series：-
- Mfr：Diodes Incorporated
- Package：Cut Tape (CT),Cut Tape (CT),Tape & Box (TB)
- 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：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Supplier Device Package：TO-92
- Grade：-
- Qualification：-
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Overview
The AZ431AZ-ATRG1 is a three-terminal adjustable precision shunt regulator manufactured by Diodes Incorporated. It provides a programmable output voltage ranging from the internal reference of 2.5V up to a maximum cathode voltage of 36V. The device features an initial voltage tolerance of 0.4% and operates within a wide ambient temperature range of -40°C to +125°C. It supports a continuous sink current capacity between 1mA and 100mA, ensuring stable regulation under varying load conditions.
Feature Summary
- Offers high stability when driving capacitive loads
- Features sharp turn-on characteristics for reliable switching applications
- Provides low equivalent full-range temperature coefficient
- Complies with RoHS standards and utilizes green molding compound
Applications
- Charger circuits
- Voltage adapters
- Switching power supplies
- Graphic cards
- Precision voltage references
Procurement Notes
Verify that the specific part number matches the required package type and tolerance level before ordering. Confirm compliance with environmental directives such as RoHS 3 and Halogen-free status if applicable to your manufacturing process. Ensure the supplier source is authorized to guarantee product authenticity and traceability.
Selection Notes
Select this component when a precise, adjustable voltage reference is needed in a compact TO92 package. Consider the 0.4% initial accuracy requirement against standard Zener diodes for improved circuit precision. Evaluate the thermal resistance and power dissipation limits relative to the expected operating environment and heat sinking capabilities.
Part Context
This device belongs to the AZ431-A family of adjustable precision shunt regulators. It serves as a direct replacement for traditional Zener diodes in various power management topologies. The series includes variants with different voltage tolerances and packaging options to suit diverse design constraints.
Replacement Considerations
AZ431AZ-ATRE1
FAQ
What is the minimum cathode current required for regulation?
The minimum cathode current for regulation is typically 1.0 mA.
How does the device handle capacitive loads?
The AZ431-A is designed to maintain high stability under capacitive loads without oscillation.
