TL431QDR
- Mfr.Part #
- TL431QDR
- Manufacturer
- Texas Instruments
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC VREF SHUNT ADJ 2.2% 8SOIC
- Stock
- 23,230
- In Stock :
- 23,230
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- Manufacturer :
- Texas Instruments
- Product Category :
- Voltage Reference
- Max Output Current :
- 100mA
- Number of Outputs :
- 1
- Surface Mount :
- yes
- Mounting Type :
- Surface Mount
- Base Part Number :
- TL431
- Analog IC - Other Type :
- THREE TERMINAL VOLTAGE REFERENCE
- Number of Functions :
- 1
- Peak Reflow Temperature (Cel) :
- 260
- Temp Coef of Voltage-Max :
- 92 ppm/°C
- Current - Cathode :
- 1mA
- Length :
- 4.9mm
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Reference Type :
- Shunt
- Trim/Adjustable Output :
- yes
- Max Output Voltage :
- 36V
- Thickness :
- 1.58mm
- Max Input Voltage :
- 37V
- Height :
- 1.75mm
- Terminal Form :
- Gull wing
- Terminal Position :
- Dual
- Number of Terminations :
- 8
- Pin Count :
- 8
- Pbfree Code :
- yes
- Packaging :
- Tape and Reel (TR)
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Output Voltage :
- 36V
- JESD-609 Code :
- e4
- Weight :
- 72.603129mg
- Factory Lead Time :
- 6 Weeks
- Qualification Status :
- Not Qualified
- Output Type :
- Adjustable
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Operating Temperature :
- -40°C~125°C TA
- Number of Channels :
- 1
- Voltage - Output (Min/Fixed) :
- 2.495V
- ECCN Code :
- EAR99
- Lead Free :
- Lead Free
- Supply Voltage-Min (Vsup) :
- 2.495V
- Tolerance :
- ±2.2%
- Number of Pins :
- 8
- Width :
- 3.91mm
- Temperature Coefficient :
- 34 ppm/°C
- RoHS Status :
- ROHS3 Compliant
- Datasheets
- TL431QDR

Voltage Reference Texas Instruments TL431QDR Overview
The Texas Instruments TL431QDR is a pivotal component in the realm of adjustable precision shunt regulators. Engineered with a robust design and manufactured by a leader in semiconductor solutions, this voltage reference IC ensures high stability and reliability for a wide range of applications. The TL431QDR boasts a nominal voltage reference of 2.495V, which can be adjusted from 2.495V to 36V by setting the ratio of two external resistors. With a 2.2% precision rate and packaged neatly in an 8-SOIC format, this device is ideal for demanding environments where accurate voltage control is crucial. The inclusion of the TL431QDR in your designs guarantees performance that meets stringent requirements, making it a top choice for professionals seeking efficient and reliable voltage regulation solutions.
TL431QDR Features
This adjustable shunt regulator offers several notable features that enhance its application versatility and performance:
- Adjustable output voltage from 2.495V up to 36V.
- Low output noise for stable operations.
- 2.2% reference voltage tolerance.
- Low dynamic output impedance for better transient response.
- Wide operating temperature range, making it suitable for diverse environments.
- Compact 8-SOIC package allowing for efficient use of PCB space.
TL431QDR Applications
- Power Supplies: Utilized as a voltage reference or error amplifier in both linear and switching power supplies, enhancing stability and regulation accuracy.
- Battery Chargers: Ensures precise control of charging voltages to improve battery life and efficiency in applications from consumer electronics to automotive battery management systems.
- Voltage Monitoring: Critical in systems requiring voltage threshold detection to prevent over-voltage or under-voltage conditions, ensuring system reliability and safety.
- Adjustable Voltage Regulation: Provides fine tuning in various electronic applications, allowing custom voltage levels tailored to specific needs.
- Portable Devices: Ideal for maintaining voltage stability in portable devices, where consistent performance is necessary despite varying load conditions and battery voltages.
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