DiodesZetex Voltage Supervisor 3-Pin 3.08 V SOT-23 Surface Mount Microprocessor Reset Monitor APX803-31SAG-7

DiodesZetex APX803-31SAG-7 is a high-reliability voltage supervisor device designed to monitor a single supply voltage at 3.08 V for microprocessor and microcontroller reset applications.

This 3-pin SOT-23 surface-mounted component features an active low output driver and a reset active time of 280 ms, making it suitable for ensuring proper system startup and reset timing.

Operating temperature range from -40°C to 85°C allows use in a wide variety of industrial, automotive, and portable electronic environments. Its compact package dimensions (3 mm length, 1.4 mm width, 1 mm height) enable integration in space-constrained designs.

The device supports a supply voltage range from 1.1 V minimum to 5.5 V maximum, providing supervised monitoring across common logic supply voltages.

This voltage supervisor is commonly used in PC motherboards, laptops, test and measurement instruments, multiple-output power supplies, and battery-operated equipment to prevent erratic microprocessor operation during power fluctuations or brownouts.

280 ms reset active time ensures reliable reset duration. Surface mount package allows automated PCB assembly. Active low output driver simplifies system integration signaling. Wide operating temperature range supports industrial use cases.

Precise voltage monitoring at 3.08 V monitored and reset threshold voltage. Compact SOT-23 package for space-efficient designs. No manual reset or watchdog timer required, simplifying design. Monitors single supervisory voltage line efficiently.

Applications include industrial control systems, laptop motherboards, portable electronic devices, embedded systems, and other electronic circuits requiring precise voltage supervision for microprocessor power supplies.

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