APX803L05-42SA-7

Supervisors Overview

The APX803L05-42SA-7 is a micro-power voltage detector IC from Diodes Incorporated, designed for µP supervisory circuits. It features a precise reset threshold of 4.2 V and a fixed reset delay time of 55 ms. The device operates with a maximum supply voltage of 5.5 V and draws a typical DC supply current of 1 µA. It provides an active low, open drain output capable of sourcing up to 20 mA. The component is housed in a SOT-23-3 package and supports surface mount installation. It functions within a temperature range of -40 °C to +125 °C.

Supervisors Feature Summary

• Provides precise voltage monitoring with a fixed 4.2 V threshold for reliable system supervision
• Features ultra-low power consumption with a typical DC supply current of 1 µA
• Delivers an active low open-drain output signal with a standard 55 ms reset delay

Supervisors Applications

• Microprocessor (µP) supervisory circuits
• Battery-powered portable devices requiring low quiescent current
• Embedded systems needing precise voltage level detection

Supervisors Procurement Notes

Verify the specific suffix SA-7 confirms the SOT-23-3 package and tape-and-reel packaging format. Ensure the 4.2 V threshold aligns with the target supply rail requirements. Confirm compatibility with the intended operating temperature range of -40 °C to +125 °C. Check for RoHS compliance status as indicated in official documentation. Validate that the open-drain output configuration matches the downstream logic interface needs.

Supervisors Selection Notes

Select this component when a fixed 4.2 V threshold is required for system reset generation. The 1 µA supply current makes it suitable for energy-constrained applications. The open-drain output allows for flexible interfacing with various logic families. Consider the 55 ms delay duration to ensure it meets the startup timing requirements of the controlled circuitry. The SOT-23-3 package offers space-efficient mounting for compact designs.

Supervisors Part Context

This part belongs to the APX803L series of voltage detectors from Diodes Incorporated. The series offers various threshold voltages and output configurations to suit different supervisory needs. The APX803L05 variant specifically denotes the micro-power characteristics and open-drain output type. These components are widely used in consumer electronics and industrial control systems for power management reliability.

Supervisors FAQ

What is the output configuration of the APX803L05-42SA-7?

The device features an active low, open-drain output.

Does the APX803L05-42SA-7 include a manual reset function?

No, this component does not support manual reset functionality.