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Product Detailed Parameters
- Description：IC VREF SHUNT 36V 0.5% 8SOP
- Series：-
- Mfr：Taiwan Semiconductor Corporation
- Package：Tape & Reel (TR)
- Output Type：Programmable
- Voltage - Output (Min/Fixed)：2.495V
- Voltage - Output (Max)：36 V
- Current - Output：100 mA
- Operating Temperature：0°C ~ 70°C
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOP
- Grade：-
- Qualification：-
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Overview
The TS431BCS RLG is a programmable shunt voltage reference IC from Taiwan Semiconductor, housed in an SOP-8 package. It features a fixed reference voltage of 2.495V with ±0.5% initial accuracy and a temperature coefficient of 50ppm/°C. The device operates within a cathode voltage range of VREF to 36V and supports a continuous cathode current of 1mA to 100mA. It exhibits a low dynamic output impedance of 0.2Ω typical and functions across an operating temperature range of -40°C to +85°C.
Feature Summary
- Provides a precise 2.495V reference voltage with ±0.5% tolerance for stable regulation.
- Offers wide programmability allowing output voltages up to 36V using external resistors.
- Features fast turn-on response and low dynamic output impedance for efficient shunt regulation.
Applications
- Switching Mode Power Supplies (SMPS)
- Lighting systems
- Telecommunication equipment
- Home appliances
Procurement Notes
Verify the specific ordering suffix RLG corresponds to the SOP-8 package configuration as documented in the manufacturer's official datasheet. Confirm that the component meets RoHS compliance and halogen-free requirements per IEC 61249-2-21 standards before integration. Ensure the selected variant matches the required ±0.5% precision specification for the intended application circuit design.
Selection Notes
Select this component when a stable 2.495V reference is needed for logic supply interfacing or general shunt regulation. The SOP-8 package provides suitable thermal dissipation for higher power applications compared to smaller packages. Consider the 50ppm/°C temperature coefficient for environments requiring moderate thermal stability without active compensation circuits.
Part Context
This part belongs to the TS431 series of three-terminal programmable shunt regulator diodes manufactured by Taiwan Semiconductor. The series serves as a versatile alternative to standard Zener diodes, offering superior performance in digital voltmeters, power supplies, and operational amplifier circuitry due to its adjustable nature and low noise characteristics.
Replacement Considerations
The TS431 series is designed as a direct replacement for traditional Zener diodes in many applications. Specific cross-references should be verified against the manufacturer's documentation to ensure pinout compatibility and electrical parameter alignment for existing designs.
FAQ
What is the maximum programmable output voltage?
The output voltage can be programmed up to 36 volts using two external resistors.
What is the recommended operating cathode current range?
The device supports a continuous cathode current range of 1mA to 100mA.
