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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1% SC70-6
- Series：-
- Mfr：Texas Instruments
- 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：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：6-TSSOP, SC-88, SOT-363
- Supplier Device Package：SC-70-6
- Grade：-
- Qualification：-
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Overview
The TL431AQDCKR is an adjustable precision shunt regulator manufactured by Texas Instruments, belonging to the TL431 series. It operates within a supply voltage range of 2.5 V to 36 V and provides an adjustable output voltage up to 36 V. The device features an initial accuracy of 1% and a temperature coefficient of 92 PPM/°C. It supports a maximum shunt current of 100 mA with a minimum cathode current of 600 µA for regulation. The component is housed in a SC-70-6 package and is rated for operation between -40°C and +125°C.
Feature Summary
- Provides precise programmable reference voltage functionality as an adjustable shunt regulator
- Ensures high stability and accuracy suitable for demanding power management applications
- Operates reliably across extended industrial temperature ranges
Applications
- Voltage references in switching power supplies
- Programmable output control circuits
- Battery charging systems requiring precise voltage monitoring
Procurement Notes
Verify the specific suffix 'R' indicates reel packaging when ordering. Confirm the SC-70-6 package type matches your PCB footprint requirements. Ensure the 1% accuracy grade meets your circuit tolerance specifications. Check RoHS compliance status for environmental regulations. Validate the operating temperature range against your system's thermal environment.
Selection Notes
Select this part when a compact surface-mount solution with high precision is required. The SC-70-6 package offers space efficiency compared to larger packages. The 1% initial accuracy ensures tight voltage control without extensive calibration. Consider the 100 mA current capability for load requirements. Verify compatibility with existing TL431 family designs for pin-to-pin replacement.
Part Context
This component is part of the widely used TL431 family of adjustable shunt regulators from Texas Instruments. It serves as a standard reference element in various analog and mixed-signal circuits. The device replaces older Zener diode solutions with superior performance characteristics. It is commonly integrated into feedback loops for voltage regulation tasks.
Replacement Considerations
Compatible substitutes include TL431AIDCKT and TL431AQDCKT from Texas Instruments. These parts share similar electrical characteristics and package configurations. Verify pinout compatibility before substitution. Ensure temperature grades match application requirements.
