LTC2909IDDB-2.5#TRM

Supervisors Overview

The LTC2909IDDB-2.5#TRM is a precision triple/dual input under-voltage, over-voltage, and negative voltage monitor manufactured by Analog Devices Inc. It operates within a supply voltage range of up to 6V and features an open-drain output type with a reset delay time of 200 ms. The device monitors three inputs, offering adjustable threshold voltages including a fixed 2.5V option alongside configurable settings. Designed for surface mount installation in an 8-WFDFN package with exposed pad, it ensures accurate power supervision across industrial temperature ranges from -40°C to +85°C.

Supervisors Feature Summary

• Provides precise monitoring for multiple power rails including under-voltage, over-voltage, and negative voltage conditions
• Features adjustable threshold capabilities allowing customization for specific system requirements
• Delivers reliable reset signals via open-drain output with defined delay characteristics

Supervisors Applications

• Multi-rail power supply supervision in embedded systems
• Monitoring critical voltage levels in industrial control equipment
• Ensuring stable operation in portable devices with limited power budgets

Supervisors Procurement Notes

Verify the exact suffix matching your design requirements, as variations like #TRMPBF indicate specific packaging or compliance standards. Confirm availability status directly with authorized distributors since lifecycle stages may affect procurement. Ensure the selected variant aligns with your thermal and electrical specifications before finalizing orders.

Supervisors Selection Notes

Choose this component when multi-input supervision is required in a compact footprint. The adjustable thresholds offer flexibility for various logic families. Consider the operating temperature range and package constraints during selection to ensure compatibility with your board layout and environmental conditions.

Supervisors Part Context

This part belongs to the LTC2909 series of supervisory circuits designed for complex power management applications. It complements other Analog Devices monitoring solutions by providing dedicated triple-input capability. The series supports diverse system architectures requiring robust voltage tracking without excessive component count.

Supervisors Replacement Considerations

Check for direct pin-compatible alternatives within the same manufacturer's portfolio that match the specific threshold configurations. Verify functional equivalence regarding reset timing and output drive capabilities before substitution.