AS431IBNTR-G1

$0.38

Description：IC VREF SHUNT ADJ 1% SOT23
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:163ef2a90357 Category: Voltage Reference Brand: Diodes Incorporated

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT ADJ 1% SOT23
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR),Cut Tape (CT)
Output Type：Adjustable
Voltage - Output (Min/Fixed)：2.5V
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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AS431IBNTR-G1

Overview

The AS431IBNTR-G1 is a three-terminal adjustable precision shunt regulator manufactured by Diodes Incorporated. It operates within a cathode voltage range of 2.5V to 36V and supports a sink current capacity from 50µA to 100mA. The device features a reference voltage tolerance of 1% at +25°C, with a typical temperature deviation of 4.5mV over the full operating range of -40°C to +125°C. Packaged in SOT-23 with tape and reel delivery, it offers low output noise and high stability under capacitive loads.

Feature Summary

Adjustable precise output voltage programmable between 2.5V and 36V
Guaranteed thermal stability across a wide operating temperature range
Low minimum cathode current requirement for regulation
High stability performance when driving capacitive loads

Applications

Charger circuits
Voltage adapters
Switching power supplies
Graphic cards
Precision voltage references

Procurement Notes

Verify that the ordering suffix 'G1' confirms RoHS compliance and halogen-free status as specified by the manufacturer. Ensure the package type matches the required SOT-23 form factor and confirm the initial voltage tolerance corresponds to the 'B' designation for 1.0% accuracy. Cross-reference the marking ID 'GC9' on received units against official documentation to validate authenticity and correct revision level.

Selection Notes

Select this component when an adjustable shunt regulator with 1% initial accuracy is required. The SOT-23 package suits space-constrained surface-mount designs. Verify that the application load capacitance falls within the stable boundary conditions defined in the datasheet to prevent oscillation. Consider the AP431S if designing new products, as the AS431I is marked not recommended for new design.

Part Context

This part belongs to the AS431 series of low cathode current adjustable precision shunt regulators. It serves as a direct replacement for standard Zener diodes in various power management applications. The series includes variants with different tolerances and packages, such as TO-92 and SOT-89, allowing flexibility in thermal and spatial requirements while maintaining consistent electrical performance characteristics.