KA75290MTF

Supervisors Overview

The KA75290MTF is a voltage supervisory circuit manufactured by onsemi, designed to monitor system power integrity. It operates within a supply voltage range of 300 mV to 15 V and features a threshold voltage window from 2.5 V to 4.5 V. Key electrical parameters include an overvoltage threshold of 2.85 V, an undervoltage threshold of 2.55 V, and a maximum operating current of 500 uA. The device dissipates up to 500 mW of power and functions reliably across a temperature range of -25°C to +85°C. Packaged in a SOT-89-3 surface-mount format, it provides single-input monitoring without manual reset or watchdog timer capabilities.

Supervisors Feature Summary

• Monitors a single input for voltage deviations against defined thresholds
• Operates with low quiescent current suitable for power-sensitive applications
• Provides automatic supervision without requiring manual reset intervention

Supervisors Applications

• Power supply monitoring in embedded systems
• Voltage supervision for microcontroller circuits
• Battery management system oversight

Supervisors Procurement Notes

Verify component authenticity through authorized distributors due to end-of-life status. Confirm package marking matches official datasheet specifications. Check RoHS compliance documentation for environmental regulations. Validate thermal performance under actual load conditions. Ensure replacement strategies align with long-term availability requirements.

Supervisors Selection Notes

Evaluate threshold accuracy requirements against the specified 2.55 V and 2.85 V values. Consider the SOT-89-3 footprint constraints for PCB layout. Assess thermal dissipation needs given the 500 mW power rating. Verify compatibility with the 300 mV minimum supply voltage. Review operating temperature range suitability for the intended environment.

Supervisors Part Context

This component belongs to the voltage detector family within onsemi's power management integrated circuits portfolio. It serves as a dedicated supervisory device for ensuring stable operation in electronic systems. The SOT-89-3 packaging offers a compact solution for space-constrained designs while maintaining reliable performance characteristics.

Supervisors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data.