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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 ~ 125°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 TLVH431NAMQDBZR-QR is a three-terminal adjustable precision shunt regulator from the Nexperia TLVH431N-Q family. It operates within a cathode-anode voltage range of Vref to 14 V and supports a sink current capability from 0.08 mA to 70 mA. The device features an A-Grade reference voltage tolerance of 1.0%, with a typical reference voltage of 1240 mV at 25 °C. It utilizes mirrored pinning in an SOT23 package, suitable for automotive applications qualified under AEC-Q100 Grade 1.
Feature Summary
- Programmable output voltage up to 14 V using two external resistors
- A-Grade reference voltage tolerance of 1.0% for high precision
- Low output noise with a typical dynamic impedance of 0.1 Ω
- Qualified according to AEC-Q100 Grade 1 for automotive reliability
Applications
- Shunt regulator
- Precision current limiter
- Precision constant current sink
- Isolated feedback loop for Switch Mode Power Supply (SMPS)
Procurement Notes
Verify the specific ordering suffix 'MQDBZR-Q' to confirm the mirrored pin configuration required for your PCB layout. Ensure the design accounts for the AEC-Q100 Grade 1 qualification if used in automotive environments. Confirm thermal dissipation requirements against the derating curves provided in the datasheet for the intended ambient temperature range.
Selection Notes
Select this component when a low-voltage adjustable shunt regulator with high precision is required. The mirrored pin configuration distinguishes it from standard pinning variants. Consider the 1.0% tolerance grade for applications demanding tighter reference voltage accuracy compared to the standard 1.5% grade options available in the same family.
Part Context
This part belongs to the TLVH431N-Q family of low-voltage adjustable precision shunt regulators manufactured by Nexperia. The family includes variants with different temperature ranges, tolerances, and pinning configurations. The 'Q' designation indicates automotive qualification, while the 'M' prefix denotes the specific mirrored pin arrangement in the SOT23 package.
Replacement Considerations
Direct substitutes include other parts within the TLVH431N-Q family that share the same mirrored pinning and A-Grade tolerance, such as TLVH431NAIDBZR-Q or TLVH431NQDBZR-Q, provided the temperature range and pinout match the application requirements.
