LM3420AM5X-16.8

Battery Chargers Overview

The LM3420AM5X-16.8 is a constant current LED driver from Texas Instruments designed for high-efficiency lighting applications. It operates as a step-down (buck) converter capable of driving multiple LEDs in series. The device integrates a 1.5A switch and features adjustable switching frequency up to 1MHz, allowing for compact passive component selection. It includes thermal shutdown and over-current protection mechanisms to ensure reliable operation under varying load conditions.

Battery Chargers Feature Summary

• Integrated high-side power switch eliminates external MOSFET requirements
• Adjustable switching frequency enables optimization of size and efficiency
• Built-in thermal shutdown protects against overheating events
• Constant current regulation maintains consistent LED brightness

Battery Chargers Applications

• General illumination LED modules
• Automotive interior lighting systems
• Portable battery-powered lighting devices

Battery Chargers Procurement Notes

Verify the specific suffix '16.8' against official Texas Instruments documentation to confirm exact electrical characteristics and pinout configuration. Ensure compatibility with your PCB footprint and thermal management strategy before finalizing procurement orders.

Battery Chargers Selection Notes

Select this component when a compact, integrated solution for driving series-connected LEDs is required. Consider its input voltage range and maximum output current capabilities relative to your specific LED string configuration and efficiency targets.

Battery Chargers Part Context

This part belongs to the LM3420 family of buck converters optimized for LED driving. It offers a balance of performance and simplicity compared to discrete solutions, reducing bill of materials count while maintaining robust protection features essential for commercial and industrial lighting products.

Battery Chargers Replacement Considerations

Consult official cross-reference lists for direct replacements. Verify that any substitute matches the pinout, thermal performance, and control interface specifications to ensure seamless integration without circuit redesign.