LM3530UMX-25A/NOPB

LED Driver IC Overview

The LM3530UMX-25A/NOPB is a high-efficiency white LED driver IC from Texas Instruments, designed for portable applications. It operates as a boost converter with a 40V output capability and a 500kHz switching frequency. The device supports input voltages between 2.7V and 5.5V and provides up to 30mA of drive current. Packaged in a compact DSBGA-12 format, it integrates regulation and dimming functions for single or multiple series-connected LEDs.

LED Driver IC Feature Summary

• Integrates a high-efficiency boost converter capable of driving multiple series-connected white LEDs
• Supports analog and PWM dimming control for brightness adjustment
• Includes internal soft-start and protection features for reliable operation

LED Driver IC Applications

• Portable electronic devices requiring backlighting
• Mobile phone camera flash systems
• Handheld gaming consoles and PDA illumination

LED Driver IC Procurement Notes

Verify the specific suffix '25A' against the manufacturer's latest datasheet to confirm pinout and electrical characteristics match your design requirements. Ensure the DSBGA-12 package footprint aligns with your PCB layout constraints. Cross-reference the NOPB designation to confirm lead-free compliance and RoHS status before finalizing procurement orders.

LED Driver IC Selection Notes

Select this component when designing circuits that require driving multiple white LEDs in series from a low-voltage source. It is suitable for applications needing precise current regulation and dimming capabilities within a small form factor. Consider thermal management requirements due to the dense packaging and switching nature of the boost topology.

LED Driver IC Part Context

This part belongs to the LM3530 family of LED drivers from Texas Instruments. These components are engineered for battery-powered portable electronics, offering high efficiency and compact integration. The family typically includes variants with different package options and electrical ratings to suit diverse lighting needs in mobile and handheld devices.

LED Driver IC Replacement Considerations

Consult official substitution lists for compatible Texas Instruments LED driver ICs with similar voltage and current ratings. Verify functional equivalence regarding dimming methods and package dimensions before replacing.