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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 1% SOT23-3
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.495V
- Voltage - Output (Max)：36 V
- Current - Output：100 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：SOT-23-3
- Grade：-
- Qualification：-
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Overview
The TL432AQDBZRG4 is an adjustable precision shunt regulator from Texas Instruments, designed for automotive applications with AEC-Q100 qualification. It operates within a supply voltage range of up to 37 V and provides an adjustable output voltage spanning from 2.495 V to 36 V. The device features an initial accuracy of 1% and a temperature coefficient of 92 PPM/°C. It supports a maximum cathode current of 100 mA and functions reliably across an extended temperature range from -40°C to +125°C. Packaged in a compact SOT-23-3 surface-mount case, it serves as a high-performance reference solution.
Feature Summary
- AEC-Q100 qualified for automotive reliability standards
- Adjustable output voltage capability within specified limits
- High initial accuracy for precise reference applications
Applications
- Automotive power management systems
- Precision voltage references in automotive electronics
- Battery monitoring circuits
Procurement Notes
Verify the specific suffix 'G4' indicates lead-free and RoHS compliance status according to the manufacturer's latest documentation. Confirm that the AEC-Q100 qualification aligns with your project's automotive grade requirements. Ensure the SOT-23-3 package dimensions match your PCB footprint constraints. Check for any recent Product Change Notifications regarding marking or packaging updates.
Selection Notes
Select this component when automotive qualification is mandatory and adjustable precision is required. Compare against fixed-reference alternatives if voltage flexibility is not needed. Consider the 1% initial accuracy and 92 PPM/°C temperature coefficient against stricter tolerance requirements. Evaluate the SOT-23-3 package size relative to available board space compared to larger packages like TO-226AA.
Part Context
This part belongs to the TL432 family of adjustable precision shunt regulators. It shares functional similarities with the TL431 but offers an adjustable output range starting at 2.495 V, unlike the fixed 2.5 V reference of the TL431. The AQ variant denotes automotive-grade performance with extended temperature capabilities and enhanced reliability testing compared to standard commercial grades.
Replacement Considerations
TL432AQDBZR is the non-reel version of the same device. TL432ACDBZRG4 offers 0.5% accuracy but lacks automotive qualification. TL432IDBZR provides 2.2% accuracy without AEC-Q100 certification.
