IS31BL3506B-STLS2-TR

Overview

The IS31BL3506B-STLS2-TR is a boost converter LED driver IC from Lumissil Microsystems, featuring an integrated MOSFET switch. It operates with a maximum input voltage of 5.5 V and delivers an output current of 20 mA. The device functions at a switching frequency of 1 MHz and supports analog and PWM dimming. It is housed in an SOT-23-6 package and operates within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates a high-efficiency MOSFET switch for compact design
• Supports both analog and PWM dimming control methods
• Features a fixed 1 MHz switching frequency for stable operation

Applications

• LED backlighting systems
• General LED lighting applications

Procurement Notes

Verify the component status as Not Recommended for New Designs (NRND) before finalizing procurement plans. Confirm that the SOT-23-6 package variant aligns with existing PCB footprints. Ensure compatibility with the specified 5.5 V input voltage constraints for the target application environment.

Selection Notes

Select this component for designs requiring a single-output boost topology with integrated switching capabilities. It is suitable for applications needing precise LED current regulation via PWM or analog signals. Consider the thermal performance within the -40°C to +85°C operating range during selection.

Part Context

This part belongs to the IS31BL3506B series of LED lighting driver ICs manufactured by Lumissil Microsystems. The series focuses on efficient power management for LED strings using boost converter architectures. The STLS2-TR suffix indicates the specific tape-and-reel packaging configuration for surface-mount assembly.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.