LM3401MM/NOPB

Overview

The LM3401MM/NOPB is a hysteretic PFET controller designed for LED lighting applications. It operates with an input voltage range of 6V to 60V and supports output currents up to 2A. The device features an adjustable switching frequency from 100kHz to 1MHz, enabling flexible design options. It includes precision dimming control via analog or PWM signals and incorporates thermal shutdown protection. Packaged in a VSSOP-8 format, it functions within a temperature range of -40°C to +125°C.

Feature Summary

• Hysteretic control architecture provides fast transient response without requiring external compensation components.
• Supports both analog and PWM dimming methods for precise brightness regulation.
• Integrated thermal shutdown protects the device during overtemperature conditions.

Applications

• High-power LED driver circuits
• General LED lighting systems
• Automotive exterior lighting modules

Procurement Notes

Verify that the component matches the specific Texas Instruments part number LM3401MM/NOPB. Confirm the package type is VSSOP-8 and check for the NOPB suffix indicating lead-free compliance. Ensure the supplier provides valid traceability documentation and original manufacturer certification to avoid counterfeit parts.

Selection Notes

Select this controller when designing buck-based LED drivers requiring simple hysteretic control. It is suitable for applications needing wide input voltage ranges and high efficiency. Consider the maximum current rating and switching frequency limits relative to the target LED load requirements.

Part Context

This component belongs to the LM3401 family of LED lighting drivers. It is specifically engineered as a PFET controller for high-power LED drives. The device integrates essential protection features and control logic into a compact surface-mount package.

Replacement Considerations

LM3401MMX/NOPB