AS431IBZTR-G1

$0.08

Description：IC VREF SHUNT ADJ 1% TO92
Series：-
Mfr：Diodes Incorporated
Package：Tape & Box (TB)

SKU:9b887fa01b61 Category: Voltage Reference Brand: Diodes Incorporated

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT ADJ 1% TO92
Series：-
Mfr：Diodes Incorporated
Package：Tape & Box (TB)
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：Through Hole
Package / Case：TO-226-3, TO-92-3 (TO-226AA) Formed Leads
Supplier Device Package：TO-92
Grade：-
Qualification：-

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AS431IBZTR-G1

Overview

The AS431IBZTR-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 an initial voltage tolerance of 1% at +25°C, with a reference voltage of 2.5V. It exhibits a typical temperature deviation of 4.5mV over the full operating temperature range of -40°C to +125°C. The component utilizes a TO-92 package and is supplied in tape and reel format.

Feature Summary

Adjustable precise output voltage programmable between 2.5V and 36V using external resistors
Low minimum cathode current requirement for regulation, ensuring efficiency at low loads
High stability under capacitive load conditions without oscillation
Low temperature deviation characteristics for consistent thermal performance

Applications

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

Procurement Notes

Verify the specific ordering suffix 'B' confirms the 1.0% voltage tolerance grade required for the design. Confirm the 'TR' suffix indicates Tape & Reel packaging rather than bulk or ammo packing. Ensure the 'G1' suffix aligns with RoHS compliance and halogen-free specifications mandated by the project. Cross-reference the datasheet revision against the manufacturer's latest release to confirm pinout and electrical characteristic consistency before finalizing procurement orders.

Selection Notes

Select this component when a low-cost, adjustable shunt regulator is needed for applications requiring 1% initial accuracy. The TO-92 package is suitable for through-hole mounting where space constraints are less critical than cost. Consider the 100mA maximum cathode current limit when designing the series resistor network. Verify that the operating ambient temperature falls within the specified -40°C to +125°C range for reliable operation.

Part Context

This part belongs to the AS431I family of low cathode current adjustable precision shunt regulators. It serves as a direct replacement for standard Zener diodes in many linear and switching regulator topologies. The device integrates a bandgap reference and error amplifier to provide stable regulation. It is distinct from the AZ431L series, which offers lower voltage references starting at 1.24V.