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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 ~ 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 TL431AIDCKT is an adjustable precision shunt regulator from Texas Instruments, housed in a SC-70-6 surface-mount package. It operates within a reference voltage range of 2.495 V to 36 V with an initial accuracy of ±1%. The device supports a maximum cathode current of 100 mA and requires a minimum operating current of 600 µA. It features a temperature coefficient of 92 ppm/°C and functions across a wide temperature range from -40°C to +125°C.
Feature Summary
- Provides adjustable voltage reference functionality via external resistor divider
- Ensures high stability through low temperature coefficient characteristics
- Supports direct replacement for Zener diodes in regulation circuits
Applications
- Precision voltage references in power supply designs
- On-line isolation amplifiers
- Programmable output regulators
Procurement Notes
Verify the specific suffix 'CKT' corresponds to the SC-70-6 tape-and-reel packaging configuration. Confirm that the A-grade accuracy rating meets the circuit requirements. Ensure the operating environment stays within the specified -40°C to +125°C thermal limits. Check for RoHS compliance status if required by assembly standards.
Selection Notes
Select this component when a compact SC-70-6 footprint is required for space-constrained designs. Choose based on the need for ±1% initial accuracy over a wide industrial temperature range. Consider the 100 mA cathode current capability for moderate load applications requiring precise shunt regulation.
Part Context
This part belongs to the TL431 family of programmable shunt regulators. It serves as a versatile alternative to traditional Zener diodes, offering superior performance in terms of accuracy and temperature stability. The device integrates a 2.5V internal reference with error amplifier logic.
Replacement Considerations
Direct substitutes include TL431AQDCKT for automotive grade requirements or LM431 variants for through-hole compatibility. Verify pinout consistency and electrical specifications before substitution.
