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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 2.2% 8SO
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- 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：Surface Mount
- Package / Case：8-SOIC (0.209", 5.30mm Width)
- Supplier Device Package：8-SO
- Grade：-
- Qualification：-
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Overview
The TL431CPSRG4 is an adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a cathode voltage range of 2.5V to 36V and maintains an initial accuracy of 1%. The device features a temperature coefficient of 92 ppm/°C and supports a maximum cathode current of 100 mA. It functions reliably across an operating temperature range from -40°C to +125°C. The component is housed in a PowerPAD SOIC-8 package, designed for surface-mount installation.
Feature Summary
- Provides precise programmable reference voltage functionality
- Integrates error amplifier with internal 2.5V reference
- Supports low dynamic impedance operation
Applications
- Precision power supply regulation
- Voltage monitoring circuits
- Comparator applications
Procurement Notes
Verify the specific suffix 'RG4' indicates RoHS compliance and green material status as per Texas Instruments documentation. Confirm the PowerPAD SOIC-8 package thermal pad requirements during PCB layout. Ensure the ordering part number matches the exact electrical grade required for the target application environment.
Selection Notes
Select this component when a 1% initial accuracy and wide operating temperature range are required. The SOIC-8 package offers a balance between thermal performance and board space efficiency. Consider the 100mA current capability against load requirements. Verify compatibility with existing control loop compensation networks.
Part Context
This device belongs to the TL431 family of programmable references. It serves as a direct replacement for standard TL431 variants while offering improved thermal characteristics through its PowerPAD package. The series is widely used in industrial and consumer electronics for stable voltage referencing.
Replacement Considerations
Compatible replacements include other TL431 variants with matching accuracy grades and package types. Verify pinout compatibility before substitution. Check if alternative packages like SOT-23 or TO-92 meet spatial constraints.
