IS31BL3212-DLS2-TR

Overview

The IS31BL3212-DLS2-TR is a linear LED driver IC manufactured by Lumissil Microsystems, designed for backlight applications. It features four constant current outputs with a maximum output current of 23 mA per channel. The device operates within an input voltage range up to 5.5 V and supports a supply current of 1000 uA. It utilizes an 8-pin DFN EP package (DLS2) and functions at frequencies up to 1 MHz. The component is rated for operating temperatures between -40°C and +85°C.

Feature Summary

• Four independent constant current outputs for precise LED control
• Integrated switches for simplified circuit design
• Low supply current consumption for power efficiency
• Exposed pad package for enhanced thermal performance

Applications

• LCD backlighting systems
• General lighting applications
• Commercial display modules

Procurement Notes

Verify the specific ordering suffix and package variant when sourcing this component. Confirm that the NRND status does not impact existing production requirements. Ensure compatibility with the target PCB footprint and thermal management strategy. Check for any recent product change notifications regarding material or manufacturing updates before finalizing procurement plans.

Selection Notes

Select this part for designs requiring four-channel linear regulation in a compact form factor. Consider the 23 mA output limit when sizing external components. Evaluate the thermal dissipation capabilities of the 8-WFDFN package against the expected junction temperature rise. Verify that the 5.5 V maximum input voltage aligns with the system power supply rails.

Part Context

This component belongs to the IS31BL series of high-brightness LED drivers from Lumissil Microsystems. The series offers monolithic solutions with integrated power MOSFETs for general lighting markets. These drivers are intended for commercial, residential, and automotive applications, providing flexibility in design with built-in protections for extended life operation.

Replacement Considerations

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