LTC2919IMS-5#PBF

Supervisors Overview

The LTC2919IMS-5#PBF is a precision supervisory circuit manufactured by Analog Devices Inc., designed for monitoring multiple voltage rails. It features three independent input channels capable of detecting under-voltage, over-voltage, and negative voltage conditions. The device utilizes an open-drain output configuration to signal fault states. Key electrical parameters include a maximum supply voltage of 6 V and a typical operating supply current of 50 uA. The reset delay time is specified at 200 ms, ensuring stable operation during transient events. Accuracy is maintained at 1.5% across the operational range.

Supervisors Feature Summary

• Monitors three independent input voltages for under-voltage, over-voltage, and negative voltage faults
• Provides open-drain output signaling for fault detection integration
• Features adjustable threshold voltage capability for flexible application design
• Operates with low power consumption suitable for battery-backed or energy-efficient systems

Supervisors Applications

• Multi-rail power supply supervision in embedded systems
• Monitoring critical voltage levels in industrial control equipment
• Fault detection in portable electronic devices requiring low quiescent current
• System integrity verification in communication infrastructure

Supervisors Procurement Notes

Verify component authenticity through authorized Analog Devices distributors or certified partners. Confirm RoHS compliance status and specific package marking details against official datasheets prior to procurement. Ensure storage conditions adhere to moisture sensitivity level requirements to maintain device reliability and performance specifications during assembly processes.

Supervisors Selection Notes

Select this component when precise monitoring of three distinct voltage inputs is required within a compact surface-mount package. Consider the 6 V maximum supply limit and 50 uA operating current for power budget calculations. The open-drain output requires appropriate pull-up resistor selection based on system logic levels. Evaluate thermal performance within the specified operating temperature range for the IMS variant.

Supervisors Part Context

The LTC2919 belongs to Analog Devices' family of precision voltage monitors, offering multi-channel supervision capabilities. This specific part number denotes the industrial temperature grade version housed in an MSOP-10 package. It complements other PMIC solutions by providing dedicated fault detection without complex interface requirements, serving as a reliable safeguard for critical power rails in diverse electronic applications.

Supervisors Replacement Considerations

Consult official Analog Devices documentation for direct pin-compatible substitutes within the LTC2919 series. Verify functional equivalence regarding channel count, output type, and accuracy specifications before considering alternative part numbers from other manufacturers.