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Product Detailed Parameters
- Description：IC VREF SHUNT 1.24V SOT23-3
- Series：-
- Mfr：Nexperia USA Inc.
- Package：Tape & Reel (TR)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：1.24V
- Voltage - Output (Max)：14 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：TO-236AB
- Grade：-
- Qualification：-
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Overview
The TLVH431NIDBZR-QVL is a three-terminal adjustable precision shunt regulator from the Nexperia TLVH431N-Q family. It operates within a cathode-anode voltage range of 1.24 V to 14 V, set by two external resistors. This specific variant provides an A-Grade reference voltage tolerance of 1.0%, with a typical nominal value of 1240 mV at 25 °C. It supports a sink current capability ranging from 0.08 mA to 70 mA and features a typical output impedance of 0.1 Ω. The device is qualified according to AEC-Q100 Grade 1 standards for automotive applications.
Feature Summary
- Programmable output voltage up to 14 V using external resistors
- A-Grade reference voltage tolerance of 1.0%
- Low output noise and typical output impedance of 0.1 Ω
- Qualified according to AEC-Q100 Grade 1 for automotive use
Applications
- Shunt regulator
- Precision current limiter
- Precision constant current sink
- Isolated feedback loop for Switch Mode Power Supply (SMPS)
Procurement Notes
Verify the complete part number against official Nexperia documentation to ensure correct suffix alignment. Confirm that the 'Q' designation matches the required AEC-Q100 automotive qualification grade. Ensure the package type corresponds to SOT23 (TO-236AB) as specified in the datasheet. Cross-reference thermal resistance values with your specific PCB mounting conditions before finalizing procurement specifications.
Selection Notes
Select this component when an A-Grade 1.0% reference voltage tolerance is required for precision applications. It is suitable for designs needing programmable regulation between 1.24 V and 14 V. Consider the 0.08 mA to 70 mA sink current range for load requirements. Verify compatibility with automotive environmental standards if used in vehicle electronics. Ensure the SOT23 package footprint fits the design constraints.
Part Context
This device belongs to the TLVH431N-Q family of adjustable precision shunt regulators manufactured by Nexperia. The family includes variants with Standard (1.5%) and A-Grade (1.0%) tolerances across different temperature ranges. All members share the same core functionality and pinout configurations, differing primarily in tolerance grades and operating temperature specifications.
Replacement Considerations
Direct substitutes within the family include TLVH431NCDBZR-Q (Standard grade), TLVH431NAQDBZR-Q (A-Grade, extended temp), and TLVH431NAMQDBZR-Q (mirrored pinning). Verify pin configuration compatibility when replacing normal pinning parts with mirrored pinning versions like the MQDBZR series.
