LT1244IS8#PBF

AC DC Converters, Offline Switchers Overview

The LT1244IS8#PBF is a high-speed switching controller from Analog Devices, designed for current mode pulse width modulation. It operates within an input voltage range of 3V to 40V and supports output voltages up to 60V. The device features a fixed 100kHz switching frequency with adjustable duty cycle control via external timing components. It includes integrated protection mechanisms such as overvoltage lockout and thermal shutdown. Packaged in an 8-lead SOIC, it is suitable for isolated flyback and forward converter topologies requiring precise regulation.

AC DC Converters, Offline Switchers Feature Summary

• Supports current mode pulse width modulation for fast transient response
• Integrated overvoltage lockout and thermal shutdown protection
• Capable of driving isolated flyback and forward converter topologies

AC DC Converters, Offline Switchers Applications

• Isolated DC-DC power supplies
• Flyback converter designs
• Forward converter applications

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance when sourcing. Confirm the IS8 package variant matches your PCB footprint requirements. Check official distributor channels for current availability status as supply may be limited. Ensure the operating temperature range aligns with your system's environmental specifications before finalizing procurement.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring high-speed switching at a fixed 100kHz frequency. It is appropriate for designs needing robust protection against overvoltage conditions. Consider the 8-lead SOIC package constraints for board space. Evaluate the input voltage range suitability for your specific power source. This controller is ideal for isolated topologies where current mode control offers stability advantages.

AC DC Converters, Offline Switchers Part Context

The LT1244 belongs to Analog Devices' family of switching controllers focused on high-performance power management. It complements other regulators by providing specialized control for isolated converters. The IS8 package variant ensures compatibility with standard surface-mount assembly processes. This part represents a solution for compact, efficient power conversion systems.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official Analog Devices documentation for verified substitute part numbers. Cross-reference pinouts and electrical parameters carefully. Verify functional equivalence for your specific topology before substitution.