S-8520F33MC-BNST2G

Overview

The S-8520F33MC-BNST2G is a voltage detector IC from ABLIC Inc. featuring a fixed output threshold of 3.3V. It operates within a supply voltage range of 1.6V to 5.5V and includes an active-low reset output. The device incorporates a built-in delay circuit to prevent false triggering during power-up. It is available in compact packages such as SNT-4A and UWSOP4, ensuring low current consumption suitable for battery-powered applications.

Feature Summary

• Fixed output voltage threshold ensures precise monitoring of supply rails without external resistor dividers.
• Built-in delay circuit prevents erroneous reset signals caused by transient noise or slow power ramp-up.
• Low current consumption design extends battery life in portable electronic devices.

Applications

• Microcontroller system reset circuits
• Battery voltage monitoring in portable electronics
• Power management systems requiring stable reset timing

Procurement Notes

Verify the specific suffix BNST2G corresponds to the required package type (SNT-4A) and tape-and-reel quantity. Confirm the temperature grade matches your application environment. Ensure compatibility with the target microcontroller's reset input requirements regarding voltage levels and timing characteristics before finalizing procurement.

Selection Notes

Select this component when a fixed 3.3V threshold is required for system supervision. Consider the SNT-4A package for space-constrained designs. Evaluate the delay time specifications against the microcontroller's startup requirements. Verify that the operating voltage range covers the minimum and maximum supply voltages of the target system.

Part Context

This part belongs to the S-8520 series of voltage detectors designed for reliable system supervision. The series offers various threshold voltages and package options to accommodate different design needs. The F33 designation indicates the specific 3.3V output threshold, while MC denotes the package and pin configuration details defined by the manufacturer.

Replacement Considerations

Check for direct cross-reference parts with identical 3.3V thresholds and compatible package footprints. Verify that alternative components offer similar delay times and current consumption profiles. Ensure the replacement supports the same operating voltage range and reset output polarity to maintain system functionality without hardware modifications.