AN431BN-ATRG1

$0.29

Description：IC VREF SHUNT ADJ 1% SOT23-3
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:9c96282d6c97 Category: Voltage Reference Brand: Diodes Incorporated

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT ADJ 1% SOT23-3
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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AN431BN-ATRG1

Overview

The AN431BN-ATRG1 is a three-terminal adjustable precision shunt regulator from Diodes Incorporated, housed in an SOT-23 package. It features a reference voltage tolerance of ±1.0% and operates within a cathode voltage range of VREF to 36V. The device supports a sink current capacity from 1mA to 100mA with a typical dynamic output resistance of 0.15Ω. It exhibits a low equivalent full-range temperature coefficient of 20PPM/°C and maintains stability under capacitive loads. The component functions across a wide operating ambient temperature range of -40°C to +125°C.

Feature Summary

Programmable precise output voltage ranging from 2.5V to 36V
Guaranteed thermal stability over the full operation range
Sharp turn-on characteristics with low output impedance
Low temperature deviation for high accuracy applications

Applications

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

Procurement Notes

Verify that the ordering suffix 'G1' confirms the device is manufactured using a lead-free process and complies with RoHS directives. Confirm the 'B' designation indicates the specific 1.0% voltage tolerance variant required for the design. Ensure the 'TR' suffix matches the tape and reel packaging specifications needed for automated surface mount assembly processes.

Selection Notes

Select this component when a programmable shunt regulator is required to replace Zener diodes in switching power supply or charger designs. The 1.0% tolerance suits general precision applications where tighter tolerances are unnecessary. Consider the SOT-23 footprint for space-constrained layouts requiring surface mount installation.

Part Context

This part belongs to the AN431 series of adjustable precision shunt regulators produced by Diodes Incorporated. The series provides thermal stability and sharp turn-on characteristics suitable for various power management tasks. The AN431BN-ATRG1 specifically denotes the 1.0% tolerance version packaged in SOT-23 with tape and reel delivery.