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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1% SOT23-3
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：1.24V
- Voltage - Output (Max)：18 V
- Current - Output：70 mA
- 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 TLVH431ACDBZT is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a voltage range of 1.24 V to 18 V and provides an initial accuracy of ±1.5%. The device supports a maximum cathode current of 80 mA and functions across an extended temperature range from -40°C to +125°C. Packaged in a compact SOT-23-3 surface-mount format, it serves as a cost-effective reference solution for portable electronics.
Feature Summary
- Adjustable output voltage capability spanning from 1.24 V up to 18 V
- High precision with ±1.5% initial accuracy specification
- Extended industrial operating temperature range suitable for harsh environments
Applications
- Portable battery-powered equipment requiring stable reference voltages
- Battery chargers and power management circuits
- General-purpose voltage references in consumer electronics
Procurement Notes
Verify the specific suffix 'DBZT' against the official datasheet to confirm package type and tape-and-reel specifications. Ensure compatibility with existing PCB footprints for the SOT-23-3 package. Confirm RoHS compliance status through the manufacturer's latest documentation before finalizing procurement orders.
Selection Notes
Select this component when a low-cost, high-accuracy shunt regulator is required for low-voltage applications. The ±1.5% tolerance offers better precision than standard zener diodes while maintaining simplicity. Consider the thermal performance and maximum current limits relative to the specific circuit load requirements.
Part Context
This part belongs to the TLVH431 family of low-voltage adjustable precision shunt regulators. It shares functional similarities with the TLV431 series but is optimized for lower voltage operation and improved performance characteristics. The device integrates a bandgap reference and error amplifier into a single compact package.
Replacement Considerations
Direct substitutes include other TLVH431 variants with different accuracy grades or packages, such as TLVH431AIDBZT for higher precision. Cross-brand equivalents may exist but require careful verification of pinout and electrical parameters.
