TL432BCPKG3

Overview

The TL432BCPKG3 is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments. It operates within a supply voltage range of 1.24V to 18V and provides an adjustable output voltage from VREF up to 15V. The device features a typical output impedance of 0.2 Ω and supports a sink current capability ranging from 80µA to 100mA. It is housed in a surface-mount SOT-89-3 package and is rated for operation across a temperature range of -40°C to +125°C.

Feature Summary

• Provides precise reference voltage functionality with guaranteed tolerance options including 2%, 1%, and 0.5% accuracy levels.
• Features quick turn-on characteristics suitable for applications requiring rapid response times.
• Offers adjustable output voltage capabilities spanning from the internal reference voltage up to 15V.

Applications

• Linear Regulator
• Adjustable Supplies
• Switching Power Supplies
• Battery Charger
• Instrumentation

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for moisture sensitivity level requirements prior to storage and handling. Ensure the specific suffix matches design specifications, as packaging variations may exist. Validate that the SOT-89-3 package aligns with PCB footprint constraints.

Selection Notes

Select this component when low-voltage precision regulation is required in space-constrained designs. The SOT-89-3 package offers a compact solution compared to larger through-hole alternatives. Consider the 0.2 Ω typical output impedance for stability in feedback loops. Evaluate thermal performance within the specified operating temperature range for long-term reliability.

Part Context

This part belongs to the TL432 series of low-voltage adjustable precision shunt regulators. It serves as a three-terminal voltage reference alternative to fixed voltage references, allowing designers to set precise output levels using external resistors. The series is widely used in power management circuits where accurate voltage monitoring and regulation are critical.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.