LM3535TME

LED Driver IC Overview

The LM3535TME is a multi-display LED driver IC manufactured by National Semiconductor. It integrates an ambient light sensor and dynamic backlight control capabilities. The device supports driving up to eight LEDs in parallel, making it suitable for large display applications. It operates within a temperature range of -30°C to 85°C and utilizes a 20-DSBGA package with dimensions of 2.04mm x 1.78mm. The unit provides a constant current output of 25mA per channel.

LED Driver IC Feature Summary

• Integrates ambient light sensing functionality for automatic brightness adjustment
• Supports PWM dimming for precise control of LED intensity
• Capable of driving multiple LEDs in parallel configurations

LED Driver IC Applications

• Large display backlight systems
• General lighting applications requiring integrated control
• Multi-display setups utilizing parallel LED arrays

LED Driver IC Procurement Notes

Verify the specific suffix (e.g., TME) against the manufacturer's official documentation to ensure correct pinout and electrical characteristics. Confirm that the component meets RoHS compliance requirements if necessary, as some variants may differ. Cross-reference the datasheet revision date to ensure compatibility with current design standards and availability constraints.

LED Driver IC Selection Notes

Select this component when a single IC solution is required for both LED driving and ambient light sensing. It is appropriate for designs needing dynamic backlight control without external sensors. Ensure the application requires parallel LED driving and fits within the specified thermal and voltage limits defined in the official specifications.

LED Driver IC Part Context

This part belongs to the LM3535 family of highly integrated LED drivers. These devices are designed to simplify power management in display systems by combining regulation, sensing, and control functions into a compact form factor. The series targets applications where space constraints and system complexity need to be minimized while maintaining high performance.

LED Driver IC Replacement Considerations

The LM3535TME/NOPB is a confirmed equivalent variant offering lead-free construction. Verify pin compatibility and electrical parameters before substitution. Other models in the LM3535 series may offer different packaging or feature sets; consult the official datasheet for detailed comparison data.