AP432AYG-13

Description：IC VREF SHUNT ADJ 0.5% SOT89-3
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR)

SKU:175d53b20d6c Category: Voltage Reference Brand: Diodes Incorporated

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Product introduction

Product Detailed Parameters

Description：IC VREF SHUNT ADJ 0.5% SOT89-3
Series：-
Mfr：Diodes Incorporated
Package：Tape & Reel (TR)
Output Type：Adjustable
Voltage - Output (Min/Fixed)：1.24V
Voltage - Output (Max)：20 V
Current - Output：200 mA
Operating Temperature：-20°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：TO-243AA
Supplier Device Package：SOT-89-3
Grade：-
Qualification：-

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AP432AYG-13

Overview

The AP432AYG-13 is a three-terminal adjustable precision shunt regulator manufactured by Diodes Incorporated. It features an internal reference voltage of 1.24V with a tolerance of ±0.5%. The device supports programmable output voltages from 1.24V up to 20V using external resistors. Key electrical characteristics include a sink current capability of 200mA, a minimum cathode current for regulation of 150μA, and a dynamic output impedance of 0.2Ω. It operates within a temperature range of -20°C to +85°C.

Feature Summary

Provides precise reference voltage with tight tolerance for stable regulation
Features active output circuitry for sharp turn-on characteristics
Offers low dynamic output impedance for improved performance over Zener diodes
Supports programmable output voltage via external resistor divider network

Applications

Precision regulators
Voltage monitors
Over-voltage and under-voltage protection circuits
Current limiters or constant-current sinks

Procurement Notes

Verify the component status before procurement as the datasheet explicitly states this series is not recommended for new design and recommends using the AZ431L instead. Confirm that the specific ordering suffix matches the required package type and packing quantity. Ensure compliance with RoHS and Halogen-free requirements if applicable to the project specifications.

Selection Notes

Select this component when a cost-effective replacement for Zener diodes is needed in applications requiring improved stability and sharp turn-on characteristics. Consider the extended commercial temperature range and the requirement for external resistors to set the output voltage. Evaluate the 200mA sink current capability against the load requirements of the target application.

Part Context

The AP432AYG-13 belongs to the AP432/AP432A family of adjustable precision shunt regulators. These devices are designed to replace traditional Zener diodes in various power management applications. The 'A' suffix indicates a tighter reference voltage tolerance compared to the standard AP432 variant.