LT8495EFE#PBF

Overview

The LT8495EFE#PBF is a monolithic switching regulator supporting SEPIC and Boost topologies. It features an adjustable switching frequency ranging from 250kHz to 1.5MHz. The device integrates a power-on reset circuit and a watchdog timer for system reliability. Input voltage ranges vary by configuration, typically spanning 3V to 60V or 9V to 32V. Output capabilities include voltages up to 60V and currents up to 1A in specific SEPIC applications.

Feature Summary

• Integrated power-on reset generator ensures controlled startup sequences
• Built-in watchdog timer monitors system operation for fault detection
• Adjustable switching frequency allows optimization for efficiency and component size
• Supports wide input voltage ranges suitable for diverse power sources

Applications

• SEPIC converter designs with 5V output at 1A load
• Boost converter configurations requiring 48V output
• Systems utilizing 12V output requirements
• Applications demanding wide input voltage tolerance

Procurement Notes

Verify the exact suffix and package type against the manufacturer's current datasheet to ensure compatibility with your design requirements. Confirm RoHS compliance status and lead times directly with authorized distributors. Check for any recent engineering change notices that may affect pinout or electrical characteristics before finalizing procurement orders.

Selection Notes

Select this component when a single IC must handle both step-up and buck-boost operations efficiently. The adjustable frequency feature allows designers to minimize passive component size while maintaining desired ripple specifications. Ensure the thermal performance of the TSSOP-EP package meets the junction temperature limits for the intended ambient conditions and load profiles.

Part Context

This part belongs to the LT8495 family of high-efficiency DC/DC converters. It shares architectural similarities with other Analog Devices regulators but offers specific integration of reset and watchdog functions. The device is designed for industrial and automotive applications requiring robust power management solutions with minimal external component count.

Replacement Considerations

Direct substitutes are not explicitly confirmed in public documentation. Evaluate alternative LT849x series variants based on required output current and voltage levels. Verify pin-to-pin compatibility and control interface similarities before considering cross-references.

FAQ

What is the operating frequency range of the LT8495EFE?

The switching frequency is adjustable from 250kHz to 1.5MHz.

Does the LT8495EFE include protection features?

Yes, it integrates a power-on reset circuit and a watchdog timer.