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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 0.25% TO92-3
- Series：-
- Mfr：STMicroelectronics
- Package：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：-20°C ~ 70°C (TA)
- Mounting Type：Through Hole
- Package / Case：TO-226-2, TO-92-2 (TO-226AC)
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The TL1431ACZ-AP is an adjustable shunt voltage reference from STMicroelectronics, belonging to the TL1431 series. It provides a nominal reference voltage of 2.5 V with an initial precision accuracy of ±1%. The device operates within a supply voltage range of 2.5 V to 36 V and supports a cathode current range from 1 mA to 100 mA. It features a TO-92 package with three pins for through-hole mounting. The component is qualified under the AEC-Q100 automotive standard and functions reliably across 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 performance with ±1% initial accuracy tolerance
- Automotive-grade reliability certified under the AEC-Q100 standard
- Wide operating current range supporting sink currents from 1 mA to 100 mA
Applications
- Precision voltage regulation in automotive electronic systems
- Programmable linear power supplies requiring stable reference
- Battery management systems needing accurate voltage monitoring
- Industrial control circuits utilizing shunt regulator topologies
Procurement Notes
Verify that the specific suffix AP corresponds to the intended packaging configuration and ensure compatibility with the required through-hole assembly process. Confirm that the AEC-Q100 qualification meets the specific automotive application requirements. Check for any lead-free or RoHS compliance documentation relevant to the manufacturing batch. Ensure the supplier provides valid traceability data for automotive grade components.
Selection Notes
Select this component when a high-precision, adjustable shunt reference is required for automotive applications. The TO-92 package suits designs prioritizing through-hole mounting over surface mount alternatives. Consider the ±1% accuracy and 100 mA current capability against load requirements. Evaluate thermal performance within the 0°C to 70°C operating range for the specific environment.
Part Context
The TL1431ACZ-AP is part of the broader TL1431 family of programmable shunt voltage references manufactured by STMicroelectronics. This family is widely recognized for its versatility in providing precise voltage references across various industrial and automotive sectors. The ACZ variant specifically denotes the accuracy class and package type within this extensive product line.
Replacement Considerations
Direct substitutes include other TL1431 variants such as TL1431ACZ or TL1431ACDT, provided they match the TO-92 package and ±1% accuracy requirements. Cross-manufacturer equivalents like KA431AZBU may be considered if pinout and electrical specifications align perfectly.
