MC44605PG

AC DC Converters, Offline Switchers Overview

The MC44605PG is an integrated offline switch designed for flyback converter topologies, manufactured by onsemi. It operates within a supply voltage range of 7.5V to 18V and supports switching frequencies up to 250kHz. The device features a 16-pin PDIP package with a standard 0.300-inch (7.62mm) width, suitable for through-hole mounting. It includes built-in fault protection mechanisms such as current limiting, overvoltage protection, and short-circuit protection. The component belongs to the GreenLine series and offers control characteristics including frequency control, soft-start, and synchronization capabilities.

AC DC Converters, Offline Switchers Feature Summary

• Integrated flyback controller with internal fault protection logic
• Frequency control and soft-start functionality for stable operation
• Synchronization capability for multi-phase or parallel applications

AC DC Converters, Offline Switchers Applications

• Offline power supplies using flyback topology
• General-purpose AC-DC conversion systems
• Consumer electronics requiring isolated power stages

AC DC Converters, Offline Switchers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels due to obsolete status. Confirm RoHS compliance and specific packaging variants against official datasheets. Check for alternative sources if original inventory is unavailable, ensuring all replacement parts meet identical electrical specifications and pinout configurations.

AC DC Converters, Offline Switchers Selection Notes

Select this component for designs requiring a complete offline switch solution in a DIP package. Ensure the application supports flyback topology and operates within the specified voltage and temperature ranges. Consider thermal management requirements given the through-hole package constraints and verify that the required switching frequency does not exceed the maximum limit.

AC DC Converters, Offline Switchers Part Context

This part belongs to the MC44605 family of offline switches from onsemi. It is designed for cost-effective power supply implementations where isolation is required. The GreenLine series designation indicates optimized performance characteristics for general-purpose applications. The PDIP package facilitates easy prototyping and manual assembly compared to surface-mount alternatives.

AC DC Converters, Offline Switchers Replacement Considerations

No public confirmed substitute part numbers are available.