LM3530UMX-25A/S7003079

LED Driver IC Overview

The LM3530UMX-25A is a high-efficiency white LED driver from Texas Instruments, designed for portable applications. It operates as a step-up DC-DC regulator with an internal switch, supporting input voltages between 2.7V and 5.5V. The device delivers up to 30mA output current and features I²C and PWM dimming capabilities. Operating at a fixed frequency of 500kHz, it generates output voltages ranging from 0V to 40V. Packaged in a compact 12-DSBGA format, this PMIC is optimized for backlighting solutions requiring precise control and energy efficiency.

LED Driver IC Feature Summary

• Integrates I²C and PWM dimming interfaces for flexible brightness control
• Features a high-efficiency boost topology with an internal power switch
• Supports wide output voltage range suitable for series LED strings

LED Driver IC Applications

• Mobile phone backlighting
• Portable device display illumination
• Handheld electronic equipment lighting

LED Driver IC Procurement Notes

Verify the specific suffix S7003079 against official Texas Instruments documentation to confirm exact marking and revision status. Ensure compatibility with standard 12-DSBGA footprints during integration. Cross-reference ordering part numbers such as NOPB variants if lead time or availability constraints require alternative sourcing within the same functional family.

LED Driver IC Selection Notes

Select this component when designing systems requiring I²C-controlled LED brightness adjustment alongside PWM support. The 30mA current limit suits low-power indicator or small display backlight tasks. Consider the 12-DSBGA package size for space-constrained PCB layouts. Validate that the 2.7V minimum input aligns with the system's battery discharge curve.

LED Driver IC Part Context

This part belongs to the Texas Instruments LM3530 series of high-efficiency white LED drivers. The series is engineered for portable electronics, offering integrated boost converters and digital control interfaces. The LM3530 family typically targets applications demanding high luminance efficiency and minimal external component count compared to discrete solutions.

LED Driver IC Replacement Considerations

Check for LM3530UMX-25A/NOPB equivalents which share identical electrical specifications. Verify pinout compatibility before substitution. No other direct substitutes are confirmed in public documentation.