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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 0.5% SOT25
- Series：-
- Mfr：Diodes Incorporated
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：1.24V
- Voltage - Output (Max)：18 V
- Current - Output：15 mA
- Operating Temperature：-40°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-25
- Grade：-
- Qualification：-
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Overview
The TLV431BE5TA is a three-terminal adjustable shunt regulator manufactured by Diodes Incorporated in the SOT25 package. It provides an output voltage range from 1.24V to 18V, set via external resistors. The device features a reference voltage tolerance of 0.5% at +25°C and operates within an ambient temperature range of -40°C to +125°C. It supports a cathode current up to 15mA with a minimum regulation current of 80µA.
Feature Summary
- Offers excellent temperature stability across industrial operating ranges
- Provides precise voltage regulation with 0.5% initial tolerance
- Functions as a low-cost replacement for Zener diodes
Applications
- Secondary side regulated supplies in isolated power converters
- Precision constant current sinks
- Increasing output voltage of fixed linear regulators
Procurement Notes
Verify the specific ordering suffix E5 corresponds to the SOT25 package configuration before procurement. Confirm that the 0.5% B-grade tolerance meets the circuit requirements. Ensure the selected component matches the datasheet revision DS32088 Rev. 9 specifications for electrical characteristics and thermal data.
Selection Notes
Select this component when a low-voltage precision reference is required in a compact surface-mount footprint. The SOT25 package offers higher thermal dissipation compared to smaller packages. Consider the 0.5% tolerance grade if tighter accuracy than standard A-grade parts is necessary for the feedback loop design.
Part Context
This part belongs to the TLV431 family of low-voltage adjustable precision shunt regulators. It is designed to replace traditional Zener diodes where improved performance and adjustability are needed. The series includes variants with different tolerances and packages, such as the SOT23 and SC70-6 options.
Replacement Considerations
Direct pin-compatible replacements include other manufacturers' TLV431 equivalents in the SOT25 package. Verify that substitute components maintain the same 0.5% tolerance and operate within the specified -40°C to +125°C temperature range.
