LM3530UME-25A/NOPB

LED Driver IC Overview

The LM3530UME-25A/NOPB is a high-efficiency white LED driver from Texas Instruments, designed for programmable ambient light sensing. It operates on a supply voltage range of 2.7V to 5.5V and delivers an output voltage up to 40V with a channel current of 30mA. The device functions as a DC-DC regulator with an operating frequency of 500 kHz. It is housed in a compact 12-DSBGA package, suitable for space-constrained portable applications requiring efficient LED illumination control.

LED Driver IC Feature Summary

• Integrates programmable ambient light sensing capability for adaptive brightness control
• Provides high-efficiency white LED driving through integrated DC-DC regulation
• Supports single-output configuration with precise current management

LED Driver IC Applications

• Portable electronic devices requiring adaptive backlighting
• Mobile phone display illumination systems
• Handheld gaming consoles with ambient light adjustment

LED Driver IC Procurement Notes

Verify the specific suffix '25A' against the manufacturer's latest datasheet to confirm electrical characteristics and pinout compatibility. Ensure the 12-DSBGA package footprint matches your PCB design constraints. Cross-reference the ambient light sensing requirements with system specifications before finalizing procurement decisions.

LED Driver IC Selection Notes

Select this component when a compact solution for white LED driving with integrated light sensing is required. The 500 kHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the 40V output capability if driving series LED strings within the specified input voltage range.

LED Driver IC Part Context

This part belongs to the LM3530 family of high-efficiency LED drivers from Texas Instruments. It shares functional similarities with variants like LM3530UME-40/NOPB but differs in specific operational parameters and packaging details. The NOPB suffix indicates a lead-free and RoHS-compliant manufacturing process consistent with modern environmental standards.

LED Driver IC Replacement Considerations

LM3530UME-40/NOPB is a documented substitute within the same product family. Verify that the alternative variant meets the specific voltage and current requirements of the target application before substitution.