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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1% TO92-3
- Series：-
- Mfr：onsemi
- Package：Cut Tape (CT),Bulk,Bulk,Tape & Box (TB)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.495V
- Voltage - Output (Max)：36 V
- Current - Output：100 mA
- Operating Temperature：-40°C ~ 85°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 TL431AILPRMG is a three-terminal programmable shunt regulator diode from onsemi, belonging to the TL431A series. It operates as a low temperature coefficient zener reference, programmable from Vref to 36 V using two external resistors. The device features a wide operating current range of 1.0 mA to 100 mA and a typical dynamic impedance of 0.22 Ω. It offers a voltage reference tolerance of ±1% at 25 °C and an equivalent full-range temperature coefficient of 50 ppm/°C. Packaged in TO-92 with straight leads (LPRM suffix), it supports ambient temperatures from -40 °C to +85 °C.
Feature Summary
- Programmable output voltage capability up to 36 V
- Low dynamic output impedance for stable regulation
- Temperature compensated operation over the rated range
- Lead-free, halogen-free, and RoHS compliant construction
Applications
- Digital voltmeters
- Power supplies
- Op amp circuitry
Procurement Notes
Verify component authenticity through authorized channels. Confirm package style matches the LPRM straight lead specification. Ensure environmental compliance requirements align with project standards. Check for any specific automotive qualification prefixes if required by the application environment.
Selection Notes
Select this part when a precise, adjustable voltage reference is needed within the 2.5 V to 36 V range. Consider the TO-92 package for through-hole mounting constraints. Evaluate the 1% initial accuracy and 50 ppm/°C temperature coefficient against circuit stability requirements.
Part Context
This component is part of the TL431 family of programmable precision references. It serves as a direct replacement for standard Zener diodes in many applications, offering superior performance characteristics such as lower dynamic impedance and better temperature stability compared to discrete Zener solutions.
Replacement Considerations
Direct substitutes include other TL431 variants with compatible packages and tolerances. Verify pinout compatibility and thermal resistance specifications when transitioning between different manufacturers or package styles.
