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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1.5% SOT23-3
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：1.24V
- Voltage - Output (Max)：18 V
- Current - Output：70 mA
- 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 TLVH431IDBZR is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a supply voltage range of 2.5 V to 36 V and provides an adjustable output voltage from 1.24 V to the supply rail. The device features an initial accuracy of ±0.5% and a temperature coefficient of 138 ppm/°C. It supports a maximum cathode current of 70 mA and functions reliably across an operating temperature range of -40°C to +85°C. Packaged in a compact SOT-23-3 surface-mount case, it serves as a high-performance reference for space-constrained applications.
Feature Summary
- Provides precise voltage regulation with ±0.5% initial accuracy for stable reference performance
- Operates efficiently at low voltages starting from 2.5 V supply input
- Delivers high cathode drive capability up to 70 mA for robust load handling
- Utilizes a compact SOT-23-3 package to minimize board space requirements
Applications
- Battery-powered portable devices requiring low standby current
- Precision power supplies and DC-DC converters needing accurate feedback references
- Microcontroller reset circuits and window supervisors
- Temperature sensing and compensation networks
Procurement Notes
Verify the specific suffix 'IDBZR' to confirm the ±0.5% accuracy grade and SOT-23-3 packaging variant. Ensure compatibility with the required operating temperature range of -40°C to +85°C. Cross-reference the datasheet for thermal resistance values if high-power dissipation is anticipated in dense layouts. Confirm RoHS compliance status for environmental regulations.
Selection Notes
Select this component when higher accuracy than standard TLV431 variants is required without increasing package size. Compare against TLVH431AIDBZR if ±1% accuracy suffices for cost optimization. Evaluate the 70 mA cathode current limit against peak load demands. Consider the SOT-23-3 footprint constraints during PCB layout planning.
Part Context
This part belongs to the TLVH431 family of low-voltage adjustable shunt regulators. It shares functional similarities with the TLV431 series but offers improved accuracy and lower minimum operating voltage characteristics. The device complements Texas Instruments' portfolio of precision voltage references designed for modern power management applications.
Replacement Considerations
- TLVH431AIDBZR
- TLV431AIDBZR
- TLV431BIDBZR
FAQ
What is the minimum operating voltage for the TLVH431IDBZR?
The device requires a minimum supply voltage of 2.5 V to operate correctly.
Does the TLVH431IDBZR include a shutdown feature?
No, the TLVH431IDBZR does not have a dedicated shutdown pin or function; it operates continuously when powered.
