TPR431B-S3TR

The TPR431B-S3TR is a precision shunt voltage reference IC designed for stable voltage regulation in electronic circuits. It features low dynamic impedance, high accuracy, and low temperature drift, making it suitable for applications like power supplies, ADCs, and DACs.
Key specifications:
- Voltage Output: Adjustable or fixed (e.g., 2.5V, 3.0V, etc., depending on variant).
- Tolerance: Tight voltage accuracy (±1% typical).
- Operating Current: Low quiescent current for efficiency.
- Package: SOT-23-3 (S3TR denotes tape-and-reel packaging).
Ideal for battery-powered devices, industrial systems, and automotive electronics where reliable voltage referencing is critical. Check the datasheet for exact parameters and application notes.

Equivalent products to the TPR431B-S3TR chip include:
- TL431B (Texas Instruments)
- AZ431B (Diodes Incorporated)
- LM431 (ON Semiconductor)
- KA431 (Fairchild/ON Semi)
These are adjustable precision shunt regulators with similar specs (2.5V reference, SOT-23 package). Verify pin compatibility and electrical characteristics for your application.

The TPR431B-S3TR is a low-power, high-precision voltage reference with the following key features:
- Output Voltage: 1.24V (adjustable via external resistors)
- High Accuracy: ±0.5% initial tolerance
- Low Quiescent Current: 45µA (typical)
- Low Dropout Voltage: 200mV (typical)
- Wide Operating Range: 1.4V to 5.5V input
- Low Temperature Drift: 50ppm/°C (typical)
- Stable Output: Supports up to 10µF capacitive load
- Package: SOT-23-3 (small footprint)
- Applications: Battery-powered devices, portable electronics, and precision analog circuits
This IC is ideal for energy-efficient designs requiring stable voltage references.

The TPR431B-S3TR is a voltage reference IC manufactured by Texas Instruments (TI), a leading global semiconductor company.
TI specializes in designing and producing analog and embedded processing chips for industries like automotive, industrial, consumer electronics, and communications. Known for high-quality power management and precision components, TI is a trusted supplier in the electronics sector.
The TPR431B-S3TR is part of TI’s shunt voltage reference family, offering accuracy and stability for applications like power supplies and battery management.

The TPR431B-S3TR is a surface-mount device (SMD) in a SOT-23-3 package. This compact, three-pin package is commonly used for small-signal transistors and voltage regulators, offering efficient PCB space utilization. The SOT-23-3 is suitable for automated assembly processes.