LF431OCAPA

Overview

The LF431OCAPA is an adjustable voltage reference integrated circuit manufactured by Diodes Incorporated. It functions as a shunt regulator with an output voltage range of 2.495V to 36V and a maximum current capability of 100mA. The device is housed in a 3-pin SOT-23 surface-mount package and is supplied in tape and reel format. This component serves as a precision reference for power management applications requiring stable voltage regulation.

Feature Summary

• Provides adjustable voltage reference functionality within a specified range
• Operates as a shunt regulator with defined current handling capabilities
• Utilizes a compact three-terminal surface-mount package design

Applications

• Power supply voltage regulation
• Precision voltage reference circuits
• Battery charging control systems

Procurement Notes

Verify the lifecycle status carefully, as this specific part number is documented as obsolete and no longer manufactured by Diodes Incorporated. Confirm availability through authorized distributors offering substitute components or alternative packages from the same family. Ensure that any replacement parts meet the original electrical specifications and pinout requirements for your design.

Selection Notes

Select this component only if legacy compatibility is required or if available stock meets immediate needs without redesign. Consider modern equivalents from the same manufacturer series that offer active manufacturing status. Evaluate thermal performance and package constraints during integration to ensure reliable operation within the intended environmental conditions.

Part Context

This component belongs to the LA/LF431 family of adjustable shunt regulators produced by Diodes Incorporated. These devices are widely used in industrial and consumer electronics for providing stable reference voltages. The LF variant typically denotes specific temperature or performance grades compared to other family members, though exact distinctions require datasheet verification.