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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：-40°C ~ 85°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 SC431LISK-2TRT is an adjustable shunt voltage reference IC manufactured by Semtech Corporation. It operates within a cathode current range of 100 µA to 100 mA and provides an adjustable output voltage from 1.24 V to 20 V. The device features an initial accuracy tolerance of ±2% and functions reliably across an operating temperature range of -40°C to +85°C. Packaged in a surface-mount SOT-23-3 case, this component serves as a precision reference element for power management circuits.
Feature Summary
- Adjustable shunt regulation architecture allowing flexible voltage setting
- Wide operating temperature range suitable for industrial environments
- Compact surface-mount packaging for space-constrained designs
Applications
- Precision power supply regulation
- Battery-operated equipment reference standards
- Industrial control system monitoring
Procurement Notes
Verify the specific suffix designation to confirm the exact accuracy grade and package variant, as Semtech utilizes distinct codes for different tolerances. Confirm end-of-life status with the manufacturer or authorized distributors prior to finalizing procurement plans, as availability may be restricted. Ensure compatibility with existing PCB footprints designated for SOT-23-3 packages during the sourcing phase.
Selection Notes
Select this component when a low-cost, adjustable shunt reference is required for applications needing ±2% initial accuracy. Consider the -40°C to +85°C temperature range against environmental requirements. Evaluate the 100 mA maximum cathode current capability to ensure it meets the load demands of the specific circuit design without exceeding thermal limits.
Part Context
This part belongs to the SC431LISK series of low-voltage adjustable shunt regulators produced by Semtech. The series offers various accuracy grades and packaging options to suit different design constraints. As a shunt regulator, it functions by diverting current to maintain a stable reference voltage between its cathode and anode terminals based on the voltage applied to the reference pin.
Replacement Considerations
Compatible substitutes include SC431LCSK-2TRT and SC431LISK-1TRT. Verify that alternative parts match the required accuracy tolerance and operating temperature range before implementation.
