LM5023MMX-2/NOPB

AC DC Converters, Offline Switchers Overview

The LM5023MMX-2/NOPB is a quasi-resonant current mode PWM controller designed for AC/DC power supplies. It integrates a high-voltage startup circuit and supports flyback topologies with primary-side regulation. The device operates from a wide supply voltage range and includes features such as cycle-by-cycle current limiting, open-loop protection, and thermal shutdown. It is housed in an MSOP-10 package.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage startup circuit to eliminate external bias winding requirements
• Supports primary-side regulation for simplified isolated output sensing
• Includes comprehensive protection mechanisms such as thermal shutdown and open-loop detection

AC DC Converters, Offline Switchers Applications

• AC/DC offline power supplies
• Flyback converter designs
• Primary-side regulated power adapters

AC DC Converters, Offline Switchers Procurement Notes

Verify the exact suffix against the manufacturer's official documentation to ensure compatibility with specific packaging or temperature grade requirements. Confirm that the component meets all relevant regulatory standards for the intended market application before finalizing procurement decisions.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring primary-side regulation to reduce cost and complexity. Ensure the design accommodates the required input voltage range and output power specifications supported by the controller's current mode architecture.

AC DC Converters, Offline Switchers Part Context

This part belongs to the LM5023 family of AC/DC controllers from Texas Instruments. It is specifically engineered for high-efficiency offline power conversion applications where compact size and reduced component count are critical design factors.

AC DC Converters, Offline Switchers Replacement Considerations

Consult the manufacturer's pin-to-pin compatible alternatives list for verified substitutes. Ensure any replacement maintains the same package type and electrical characteristics for direct integration.