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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1% SOT23-3
- Series：AZ431L
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：1.24V
- Voltage - Output (Max)：18 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 AZ431LBNTR-G1 is a low-voltage, three-terminal adjustable precision shunt regulator from the AZ431L series by Diodes Incorporated. It provides a programmable output voltage ranging from 1.24V to 18V using two external resistors. The device features a typical reference voltage of 1.24V with a 1.0% tolerance and operates within an ambient temperature range of -40°C to +125°C. It supports a cathode current range of 0.1mA to 100mA and includes a maximum cathode voltage rating of 20V.
Feature Summary
- Offers wide programmable precise output voltage capability from 1.24V to 18V
- Ensures high stability under capacitive load conditions
- Features low dynamic output resistance for improved regulation performance
- Complies with RoHS standards and utilizes green molding compound
Applications
- Graphic cards
- PC motherboards
- Voltage adapters
- Switching power supplies
- Chargers
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 REACH requirements relevant to your region. Ensure the supplier source is authorized to guarantee product authenticity and traceability. Check for any specific automotive qualification needs if the application requires AEC-Q100 standards.
Selection Notes
Select this component when a low-cost, adjustable shunt regulator is needed to replace Zener diodes in precision applications. Consider the SOT-23 package for surface-mount designs requiring compact footprints. Evaluate the thermal resistance characteristics against the expected power dissipation in the target circuit layout. Verify that the operating voltage range aligns with the system's supply rails and reference requirements.
Part Context
This device belongs to the AZ431L series of low-voltage adjustable precision shunt regulators. It serves as a direct replacement for standard Zener diodes in various power management circuits. The series is available in multiple packages including TO-92, SOT-23, SOT-25, and SOT-89 to accommodate different design constraints.
Replacement Considerations
AZ431LANTR-G1 offers the same functionality with 0.5% voltage tolerance instead of 1.0%. Other series members like AZ431LBKTR-G1 provide identical electrical characteristics but utilize the SOT-25 package variant.
