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Product Detailed Parameters
- Description：IC VREF SHUNT 2.495V 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 Long Body, Formed Leads
- Supplier Device Package：TO-92 (TO-226)
- Grade：-
- Qualification：-
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Overview
The TL431CLPRPG is a three-terminal programmable shunt regulator diode from onsemi, belonging to the TL431 series. It operates as a low temperature coefficient zener reference, adjustable from Vref to 36 V using two external resistors. The device features a cathode current range of 1.0 mA to 100 mA and a typical dynamic impedance of 0.22 Ω. It offers a reference voltage tolerance of ±2.2% at 25 °C and an equivalent full-range temperature coefficient of 50 ppm/°C. Designed for commercial applications, it functions within an ambient temperature range of 0 °C to +70 °C.
Feature Summary
- Programmable output voltage capability up to 36 V via external resistor network
- Temperature compensated operation across the rated commercial temperature range
- Low dynamic output impedance ensuring stable regulation performance
- RoHS compliant construction with lead-free and halogen-free materials
Applications
- Digital voltmeters requiring precise reference standards
- Power supply feedback control loops
- Op amp circuitry biasing and reference generation
- Constant current sources and sinks
- Voltage monitoring circuits
Procurement Notes
Verify the specific suffix 'LP' corresponds to the TO-92 package style when sourcing. Confirm the 'C' designation aligns with the required 0 °C to +70 °C operating temperature range for your application environment. Ensure compatibility with RoHS compliance requirements if applicable to your manufacturing process. Cross-reference the ordering information table in the datasheet to validate shipping configurations such as tape and reel or bulk packaging options.
Selection Notes
Select this component when a commercial grade temperature range suffices for the design. The ±2.2% initial accuracy meets standard precision requirements without necessitating tighter tolerance variants. Consider the TO-92 package constraints regarding thermal dissipation and board space compared to surface mount alternatives. Evaluate stability boundary conditions if significant load capacitance is present in the circuit design.
Part Context
This part belongs to the broader TL431 family of programmable precision references manufactured by onsemi. The family includes various tolerance grades (A, B, C) and extended temperature ranges (I, AI, BV). The CLP variant specifically targets cost-sensitive commercial applications where the standard industrial temperature limits are adequate. It serves as a direct replacement for traditional Zener diodes in many linear and switching power supply topologies.
Replacement Considerations
TL431ACDR2G
FAQ
What is the minimum cathode current required for regulation?
The device requires a minimum cathode current of 1.0 mA to maintain proper regulation.
How does the TL431CLPRPG differ from the NCV431A series?
The TL431CLPRPG is rated for a commercial temperature range of 0 °C to +70 °C, whereas the NCV431A series is qualified for automotive applications with an extended range of -40 °C to +125 °C.
