AP432RG-7

Overview

The AP432RG-7 is an adjustable precision shunt voltage reference manufactured by Diodes Incorporated. It operates within a supply voltage range of 2.5 V to 20 V and provides an output voltage range from 1.24 V to 20 V. The device features an initial accuracy of 1% and a temperature coefficient of 30 ppm/°C. It supports a maximum shunt current of 200 mA with a minimum operating current of 10 mA. The component is housed in a SC-59 (SOT-23) surface-mount package and functions within a temperature range of -20°C to +85°C.

Feature Summary

• Adjustable output voltage capability spanning from 1.24 V up to the supply rail limit
• High precision performance characterized by 1% initial accuracy and low temperature drift
• Robust current handling capacity supporting up to 200 mA of shunt current

Applications

• Portable equipment battery monitoring systems
• Current limiting circuits requiring precise threshold control
• Power supply output voltage regulation

Procurement Notes

Verify end-of-life status through official manufacturer notifications, as discontinuance affects availability. Confirm package integrity and moisture sensitivity levels prior to assembly. Ensure compliance with RoHS directives for environmental standards. Validate that the specific suffix matches required pinout and electrical specifications. Review datasheet revisions for any parameter updates or packaging changes.

Selection Notes

Select this component when a compact surface-mount solution is required for precision voltage referencing. The SC-59 package offers space efficiency for dense PCB layouts. Consider the 1% accuracy and 30 ppm/°C stability for applications demanding reliable performance across the industrial temperature range. Evaluate the 200 mA current capability against load requirements to ensure adequate headroom.

Part Context

This part belongs to the AP432 series of adjustable shunt regulators from Diodes Incorporated. These devices are designed as direct replacements for standard Zener diodes in voltage reference applications. The series is widely utilized in power management integrated circuits and general-purpose analog signal conditioning where stable reference voltages are critical.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.