LP431GCSF

$0.08

Description：IC VREF SHUNT ADJ 0.5% SOT23-3
Series：-
Mfr：TAEJIN
Package：Tape & Reel (TR)

SKU:028972c492a6 Category: Voltage Reference Brand: TAEJIN

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Product introduction

LP431GCSF is listed in the Voltage Reference range at ChipApex. The manufacturer field lists TAEJIN. Its product description is IC VREF SHUNT ADJ 0.5% SOT23-3. Review the specifications below when checking this part for your BOM.

Voltage Reference specifications for LP431GCSF

Description：IC VREF SHUNT ADJ 0.5% SOT23-3
Series：-
Mfr：TAEJIN
Package：Tape & Reel (TR)
Output Type：Adjustable
Voltage - Output (Min/Fixed)：2.5V
Voltage - Output (Max)：36 V
Current - Output：100 mA
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：TO-236-3, SC-59, SOT-23-3
Supplier Device Package：SOT-23-3L
Grade：-
Qualification：-

Voltage Reference datasheet and documents for LP431GCSF

LP431GCSF

Voltage Reference Overview

The LP431GCSF is a programmable precision shunt regulator manufactured by TAEJIN in an SOT-23-3L package. It features a reference voltage of 2.5V with a tolerance of 0.5%. The device supports a cathode current range from 80µA to 100mA and operates within a temperature range of -40°C to 125°C. It provides low dynamic output impedance, fast turn-on response, and low output noise.

Voltage Reference Feature Summary

Programmable output voltage adjustable between VREF and 36V using two external resistors
Extended cathode current range supporting applications from 80µA to 100mA
Low dynamic output impedance for stable regulation performance
Fast turn-on characteristic suitable as a Zener diode replacement

Voltage Reference Applications

Secondary side regulation in flyback switching mode power supplies (SMPS)
Adjustable voltage and current referencing circuits
Power management and power isolation systems
Industrial, computing, consumer, and portable electronic devices

Voltage Reference Procurement Notes

Verify the specific suffix 'GC' confirms the 0.5% tolerance and 'SF' indicates the SOT-23-3L package configuration. Ensure the component is sourced as a reel supply. Confirm RoHS compliance status and halogen-free designation matches project requirements before finalizing procurement orders.

Voltage Reference Selection Notes

Select this component when precise voltage referencing is required in space-constrained designs. The SOT-23-3L package offers high lead density. Consider the 80µA minimum operating current for low-power standby modes. Verify that the 36V maximum cathode voltage aligns with the system's operational limits.

Voltage Reference Part Context

This part belongs to the LP431 series of three-terminal adjustable shunt regulators. It serves as a direct functional replacement for standard Zener diodes in many circuit topologies. The series is designed for thermal stability and sharp turn-on characteristics across a wide operating temperature range.

Voltage Reference Replacement Considerations

Compatible substitutes include LM431 variants and TL431 equivalents. Verify pinout compatibility and ensure the alternative device meets the 0.5% reference voltage tolerance requirement. Check if the substitute package matches the SOT-23-3L footprint.