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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1% TO92-3
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR),Cut Tape (CT)
- 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 onsemi TL431ACLPRAG is a three-terminal programmable shunt regulator diode in a TO-92 package. It operates as a low temperature coefficient zener, programmable from Vref to 36 V using two external resistors. The device features a reference voltage tolerance of ±1.0% and an equivalent full-range temperature coefficient of 50 ppm/°C typical. It supports a cathode current range of 1.0 mA to 100 mA with a typical dynamic impedance of 0.22 Ω. The operating ambient temperature range is 0 °C to +70 °C.
Feature Summary
- Programmable output voltage capability up to 36 V
- Low dynamic output impedance for stable regulation
- Temperature compensated operation across the rated range
Applications
- Digital voltmeters
- Power supplies
- Op amp circuitry
Procurement Notes
Verify the specific suffix 'ACLPRAG' against the official ordering information table to confirm the TO-92 tape and reel shipping format and 1.0% tolerance grade. Ensure the application environment remains within the specified 0 °C to +70 °C operating temperature range. Confirm that the required cathode current stays within the 1.0 mA to 100 mA functional limits for proper regulation.
Selection Notes
Select this component when a precise, adjustable voltage reference is needed in a compact through-hole form factor. The ±1.0% initial accuracy suits applications requiring tighter tolerances than standard Zener diodes. Consider the thermal resistance characteristics if power dissipation exceeds standard levels at higher ambient temperatures.
Part Context
This part belongs to the TL431A, B series of programmable precision references manufactured by onsemi. These monolithic ICs serve as direct replacements for traditional Zener diodes in various analog and digital circuits. The family offers multiple package options and temperature grades to support diverse industrial and consumer electronics designs.
Replacement Considerations
Texas Instruments TL431ACLPR
FAQ
What is the minimum cathode current required for regulation?
The minimum cathode current for regulation is 1.0 mA.
How is the output voltage programmed?
The output voltage is programmable from Vref to 36 V using two external resistors.
