onsemi

MAX803SQ120T1G

MAX803SQ120T1G Description

The MAX803SQ120T1G from onsemi is a single-channel voltage supervisor IC designed for precision monitoring of power supply voltages in electronic systems. Housed in a compact SC70-3 package, this device ensures reliable operation with a fixed threshold voltage of 1.2V, making it suitable for low-voltage applications. The supervisor features an active-low open-drain reset output, providing flexibility for interfacing with microcontrollers or other logic circuits. With a minimum reset timeout period of 140ms, it guarantees stable system initialization upon power-up or brownout conditions. Although marked as obsolete, it remains a robust choice for legacy designs requiring high reliability and compliance with ROHS3 and REACH standards.

MAX803SQ120T1G Features

• Fixed Threshold Voltage: Precision monitoring at 1.2V for low-power systems.
• Open-Drain Reset Output: Compatible with multiple logic levels and easy to integrate.
• Extended Reset Timeout: 140ms minimum ensures proper system boot sequencing.
• Compact SC70-3 Package: Ideal for space-constrained PCB designs.
• Robust Compliance: Meets ROHS3 and REACH environmental standards.
• Wide Operating Range: Suitable for industrial and consumer applications.

MAX803SQ120T1G Applications

• Battery-Powered Devices: Ensures safe operation in portable electronics by monitoring battery voltage.
• Embedded Systems: Provides reliable reset signals for microcontrollers and FPGAs.
• Industrial Controls: Protects critical systems from undervoltage conditions.
• Consumer Electronics: Used in smart devices, wearables, and IoT modules for power management.
• Legacy Designs: A dependable choice for maintaining existing systems requiring obsolete components.

Conclusion of MAX803SQ120T1G

The MAX803SQ120T1G offers a cost-effective, compact solution for voltage supervision in low-voltage applications. Its open-drain output, precise threshold, and extended reset timeout make it versatile for various electronic systems. While obsolete, its compliance with modern environmental standards and reliability ensures continued suitability for legacy and niche designs. Engineers seeking a proven voltage supervisor with minimal footprint will find this IC a practical choice.