LM3502ITL-25/NOPB

LED Driver IC Overview

The LM3502ITL-25/NOPB is a dual-channel step-up DC-DC regulator designed for white LED applications. It integrates two internal current sink FETs capable of delivering up to 600mA per channel. The device supports PWM dimming control and operates with an input voltage range typical for battery-powered systems. It features a compact 10-TµSMD (1.9x2.07) package, making it suitable for space-constrained portable electronics.

LED Driver IC Feature Summary

• Dual independent output channels for driving separate LED strings or displays
• Integrated high-efficiency boost converter topology for step-up regulation
• Supports external PWM dimming for precise brightness control

LED Driver IC Applications

• Backlighting for dual-display mobile devices
• Large single-string white LED backlighting systems
• Portable consumer electronics requiring efficient LED illumination

LED Driver IC Procurement Notes

Verify the specific suffix '25' against the manufacturer's latest datasheet to confirm pinout and electrical characteristics match your design requirements. Ensure the 10-TµSMD footprint aligns with your PCB layout constraints. Confirm RoHS compliance status through official Texas Instruments documentation before finalizing procurement.

LED Driver IC Selection Notes

Select this component when designing dual-zone LED lighting solutions that require independent current regulation. It is appropriate for applications needing a compact solution with integrated power switches. Consider thermal management requirements due to the small form factor and ensure the input voltage source supports the boost operation range specified in the technical data.

LED Driver IC Part Context

This part belongs to the LM3502 family of LED drivers from Texas Instruments. It is specifically engineered for lighting applications where efficiency and size are critical. The NOPB suffix indicates lead-free packaging compliant with environmental standards. It serves as a specialized power management IC within the broader PMIC category.

LED Driver IC Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs by cross-referencing pin assignments and electrical specifications with alternative dual-channel LED drivers from the same manufacturer.