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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 2% SOT23-3
- Series：-
- Mfr：Semtech Corporation
- Package：Tape & Reel (TR)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：1.24V
- Voltage - Output (Max)：16 V
- Current - Output：100 µA
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
- Grade：-
- Qualification：-
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Overview
The SC431LCSK-2TRT is an adjustable low-voltage shunt voltage reference manufactured by Semtech. It operates within a cathode voltage range of 1.24 V to 20 V and maintains an initial accuracy of ±2%. The device supports a maximum cathode current of 100 mA with a minimum operating current of 100 µA. It is housed in a SOT-23-3 surface-mount package and functions reliably across an industrial temperature range from 0°C to +70°C.
Feature Summary
- Provides stable adjustable reference voltage via external resistor divider
- Operates with low quiescent current for power efficiency
- Designed for compact surface-mount integration
Applications
- Portable battery-powered equipment requiring precise voltage monitoring
- Industrial control systems needing stable reference signals
- Power supply feedback loops for regulation stability
Procurement Notes
Verify component authenticity through authorized channels due to obsolete status. Confirm lot traceability and RoHS compliance documentation prior to acquisition. Ensure storage conditions meet semiconductor handling standards to prevent degradation. Validate supplier credentials against manufacturer lists to mitigate counterfeit risks during procurement.
Selection Notes
Select this component when a low-cost, adjustable shunt reference fits within a SOT-23-3 footprint. Consider the ±2% initial accuracy and 0°C to +70°C operating range against application requirements. Evaluate if the 100 µA minimum cathode current constraint aligns with the circuit's load profile and power budget constraints.
Part Context
This part belongs to the SC431 series of adjustable shunt regulators. It shares functional similarities with standard Zener references but offers programmable output voltage. The series is designed for general-purpose voltage referencing in consumer and industrial electronics where space and cost are critical factors.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative adjustable shunt references based on pinout, voltage range, and accuracy specifications.
