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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1% TO92-3
- Series：-
- Mfr：STMicroelectronics
- Package：Cut Tape (CT),Tape & Box (TB)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.495V
- Voltage - Output (Max)：36 V
- Current - Output：100 mA
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The TL431ACZ-AP is an adjustable shunt voltage reference from STMicroelectronics, part of the TL431 series. It features a nominal reference voltage of 2.5 V with ±1% initial precision. The device supports an output voltage range from 2.5 V to 36 V and operates within a current range of 1 mA to 100 mA. It utilizes a TO-92-3 package for through-hole mounting. The component is qualified under AEC-Q100 standards and functions within a temperature range of 0°C to 70°C.
Feature Summary
- Adjustable output voltage capability ranging from 2.5 V to 36 V using external resistors
- High precision with ±1% initial accuracy tolerance
- AEC-Q100 automotive qualification ensuring reliability in demanding environments
Applications
- Precision power supply regulation circuits
- Portable equipment voltage monitoring
- DC-to-DC converter feedback loops
Procurement Notes
Verify the specific suffix AP indicates the correct packaging configuration, such as cut tape or tube, against your assembly requirements. Confirm that the standard commercial temperature range meets your operational needs, as automotive variants may offer extended ranges. Ensure the TO-92-3 through-hole package aligns with your PCB footprint design constraints.
Selection Notes
Select this component when a high-precision, low-cost shunt reference is required for through-hole designs. The ±1% accuracy suits applications needing tighter tolerances than standard versions. Consider the AEC-Q100 qualification if the application targets automotive electronics, ensuring compliance with industry reliability standards without requiring alternative industrial-grade parts.
Part Context
This component belongs to the widely used TL431 family of programmable shunt regulators. It serves as a versatile reference element in analog and mixed-signal circuits. The TL431ACZ-AP variant specifically denotes the STMicroelectronics manufacturing source with the associated packaging designation, maintaining compatibility with legacy designs while offering modern automotive-grade validation.
Replacement Considerations
Compatible substitutes include the TL431ACLPR from Texas Instruments and the TL1431CLPR. These alternatives share similar electrical characteristics and pin configurations, facilitating direct replacement in existing designs where sourcing constraints exist.
