LM3488MMX-NS

DC DC Switching Controllers Overview

The LM3488MMX-NS is a high-efficiency low-side N-channel controller for switching regulators, originally manufactured by National Semiconductor. It supports Boost, Flyback, and SEPIC topologies with a switching frequency range of 100 kHz to 1 MHz. The device drives external N-channel FETs with up to 10 A output current and regulates output voltages from 1.26 V to 300 V. It operates within a temperature range of -40°C to +125°C in a VSSOP-8 package.

DC DC Switching Controllers Feature Summary

• Supports versatile switching regulator topologies including Boost, Flyback, and SEPIC configurations
• Provides high-current drive capability for external low-side N-channel FETs
• Enables wide input voltage operation suitable for diverse power conversion applications

DC DC Switching Controllers Applications

• Boost converter designs
• Flyback transformer-based power supplies
• SEPIC converter implementations

DC DC Switching Controllers Procurement Notes

Verify component authenticity as this part originates from National Semiconductor, now part of Texas Instruments. Confirm RoHS compliance status via official datasheets, as legacy parts may vary. Ensure the specific suffix matches required packaging and environmental specifications before integration into production systems.

DC DC Switching Controllers Selection Notes

Select this controller for applications requiring flexible topology support and high efficiency. Consider the VSSOP-8 package size for space-constrained designs. Evaluate thermal performance requirements against the specified operating temperature range when designing heat dissipation strategies for the PCB layout.

DC DC Switching Controllers Part Context

This component belongs to the LM3488 series of high-performance switching controllers. It was developed by National Semiconductor before its acquisition by Texas Instruments. The device is designed to replace older discrete solutions by integrating control logic for efficient power management in various DC-DC converter architectures.

DC DC Switching Controllers Replacement Considerations

Texas Instruments LM3488MM/NOPB serves as a direct successor. Verify pin compatibility and electrical parameters match original design requirements before substitution.