LT1373HVCN8#PBF

Overview

The LT1373HVCN8#PBF is a high-voltage switching regulator IC from Analog Devices, housed in an 8-pin PDIP package. It supports multiple topologies including Buck, Boost, Cuk, Flyback, Forward, and SEPIC. The device operates with an input voltage range of 2.7V to 30V and delivers a switch current of 1.5A. It features a fixed switching frequency of 250kHz and adjustable output voltage starting from 1.245V. The component functions within a junction temperature range of 0°C to +125°C and includes shutdown capability.

Feature Summary

• Supports versatile converter topologies including buck, boost, Cuk, flyback, forward, and SEPIC configurations.
• Designed for high-voltage applications with extended input voltage handling capabilities.
• Integrates current mode control architecture for stable regulation.
• Includes shutdown functionality to minimize power consumption during idle states.

Applications

• Industrial power supply systems requiring flexible topology options
• Battery-powered equipment utilizing boost or buck-boost conversion
• Telecommunications infrastructure power management
• Inverter and charger circuits using flyback or forward architectures

Procurement Notes

Verify the specific suffix CN8 corresponds to the 8-pin PDIP package when sourcing. Confirm RoHS compliance status through official manufacturer documentation. Ensure the supplier provides valid traceability data. Check for any recent Product Change Notifications (PCNs) regarding packaging or material composition updates before finalizing procurement orders.

Selection Notes

Select this component when application requirements demand high input voltage tolerance combined with multiple topology flexibility. The 1.5A switch current rating suits moderate power levels. Consider the PDIP package for prototyping or through-hole assembly needs. Evaluate thermal performance at maximum operating temperatures to ensure reliability under load conditions.

Part Context

This part belongs to the LT1373 series of high-efficiency switching regulators. It shares core control logic with variants like LT1373CN8#PBF but offers enhanced high-voltage specifications. The series is designed for general-purpose DC-DC conversion tasks across various industrial and commercial sectors.

Replacement Considerations

LT1373HVIN8#PBF is listed as a parameter-equivalent substitute. Verify pinout compatibility and electrical specifications match before substitution.