IS31FL3726-ZLS2-TR

Overview

The IS31FL3726-ZLS2-TR is a linear LED driver IC from Lumissil Microsystems, packaged in a 24-TSSOP. It features 16 constant-current outputs with a maximum output current of 60mA per channel and an output voltage of 4V. The device supports PWM dimming and operates on a supply voltage between 3.3V and 5.5V. It includes internal switches and functions as a shift register. The component is rated for an operating temperature range of -40°C to 85°C and utilizes a 20MHz frequency.

Feature Summary

• Integrates 16 constant-current channels designed for color LED applications
• Supports PWM dimming control via linear topology
• Includes internal power switches within a compact surface-mount package

Applications

• Color LED backlighting systems
• LED lighting driver circuits
• Consumer electronics display modules

Procurement Notes

Verify the specific package variant, as datasheets list both TSSOP and QFN options for this part number series. Confirm RoHS compliance status and check for End-of-Life notices, as related variants have been discontinued. Ensure the ordering suffix matches the required physical footprint for PCB layout compatibility.

Selection Notes

Select this component when a 16-channel linear driver with integrated switching is required. Verify that the 60mA output capability meets load requirements. Consider the 24-pin TSSOP package for assembly constraints. Check thermal performance within the specified -40°C to 85°C ambient range.

Part Context

This part belongs to the IS31FL3726 family of LED drivers. It is manufactured by Lumissil Microsystems. The series provides solutions for color LED driving with programmable current settings via external resistors. The ZLS2 suffix indicates the specific TSSOP packaging configuration.

Replacement Considerations

The IS31FL3726A-QFLS4-TR is listed as a manufacturer-recommended substitute. Verify pinout and electrical parameter compatibility before replacement.