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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1% SC70-6
- 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：-40°C ~ 85°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 TL431AIDCKTG4 is an adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a voltage range of 2.495V to 36V and features a typical initial accuracy of 1%. The device supports a maximum cathode current of 100mA and requires a minimum operating current of 600µA. It is housed in a SC-70-6 surface-mount package and is rated for an industrial temperature range of -40°C to +85°C.
Feature Summary
- Provides programmable output voltage via external resistor divider
- Ensures stable regulation with low dynamic impedance
- Offers high thermal stability across the specified temperature range
Applications
- Precision voltage references in power supply circuits
- On-board calibration mechanisms for analog signals
- Secondary side regulation in switching power converters
Procurement Notes
Verify the specific suffix 'G4' confirms lead-free compliance and RoHS status as per Texas Instruments documentation. Confirm the SC-70-6 package dimensions match the target PCB footprint. Ensure the 1% accuracy grade meets the circuit requirements, noting that other grades may offer different tolerances.
Selection Notes
Select this component when a compact surface-mount solution is required for precise voltage referencing. The SC-70-6 package offers space efficiency compared to larger SOIC or TO packages. Consider the 1% initial accuracy for applications demanding tight voltage control without extensive trimming.
Part Context
This part belongs to the TL431 family of adjustable shunt regulators, widely used as voltage references and error amplifiers. The 'A' designation indicates the 1% accuracy grade, while 'DCK' specifies the SC-70-6 package. The 'G4' suffix denotes environmental compliance including lead-free manufacturing.
Replacement Considerations
Direct substitutes include the TL431AIDCKT (without G4 suffix) if packaging compatibility is maintained. Other manufacturers offering equivalent SC-70-6 adjustable shunt regulators with similar electrical characteristics should be evaluated for pinout and parameter alignment.
