RS809-4.65YSF3

Overview

The RS809-4.65YSF3 is a single-channel voltage supervisor IC manufactured by Runic Technology, housed in a SOT-23-3 package. It features a push-pull or totem-pole output configuration for reset signal generation. The device operates within an input voltage range of 1.0V to 5.5V and exhibits a maximum supply current of 40µA. The specific model suffix indicates a threshold voltage of 4.65V. This component is designed to monitor power supply levels and assert a reset signal when voltages fall below the specified limit.

Feature Summary

• Single-channel voltage monitoring with dedicated reset output
• Push-pull or totem-pole output driver architecture
• Wide operating voltage range supporting low-voltage systems
• Low quiescent current consumption for power efficiency

Applications

• Microcontroller system power supervision
• Embedded circuit voltage monitoring
• Battery-powered device reset management

Procurement Notes

Verify the exact threshold voltage specification against the manufacturer's datasheet before procurement, as the '4.65' suffix denotes the trip point. Confirm the output stage configuration matches the design requirements. Ensure the SOT-23-3 footprint aligns with the PCB layout. Cross-reference the manufacturer part number with authorized distributors to ensure authenticity and traceability.

Selection Notes

Select this component when a precise 4.65V reset threshold is required for systems operating between 1.0V and 5.5V. Consider the low 40µA max current consumption for battery-sensitive applications. The SOT-23-3 package offers space constraints solutions. Verify that the push-pull output capability meets the load requirements of the downstream reset input.

Part Context

This part belongs to the RS809 series of voltage supervisors from Runic Technology. The series provides various threshold options differentiated by numerical suffixes. These ICs are general-purpose monitoring devices intended for digital logic circuits requiring reliable power-on reset functionality and brown-out protection across standard logic voltage levels.

Replacement Considerations

Compatible substitutes include other RS809 variants with different threshold voltages, such as the RS809-4.00YSF3, provided the reset timing requirements remain unchanged. Ensure any replacement maintains the SOT-23-3 package and compatible operating voltage range.