IS31LT3177-STLS4-TR

$0.79

Description：IC LED DRIVER LIN DIM
Series：-
Mfr：Lumissil Microsystems
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:0161cf53c4f0 Category: LED Drivers IC Brand: Lumissil Microsystems

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Product introduction

Product Detailed Parameters

Description：IC LED DRIVER LIN DIM
Series：-
Mfr：Lumissil Microsystems
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Linear
Topology：-
Internal Switch(s)：Yes
Number of Outputs：1
Voltage - Supply (Min)：5V
Voltage - Supply (Max)：40V
Voltage - Output：40V
Current - Output / Channel：150mA
Frequency：-
Dimming：PWM
Applications：Lighting
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount
Package / Case：SOT-23-6
Supplier Device Package：SOT-23-6
Grade：-
Qualification：-

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IS31LT3177-STLS4-TR

Overview

The IS31LT3177-STLS4-TR is a single-output linear LED driver IC from Lumissil Microsystems, designed for precise current regulation in lighting applications. It operates within a supply voltage range of 2.9V to 5.5V and delivers an adjustable output current up to 150mA per channel. The device supports PWM dimming control and features internal switching capabilities. Packaged in a compact SOT-23-6 surface-mount format, it ensures stable performance across a wide operating temperature range of -40°C to 125°C.

Feature Summary

Provides excellent temperature stability through adjustable linear current regulation
Integrates internal power switches for simplified circuit design
Supports independent PWM dimming control for brightness adjustment

Applications

General LED lighting systems
Battery-powered portable devices
Automotive interior illumination

Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm the package type matches the required SOT-23-6 footprint. Ensure the ordering suffix aligns with the specific reel quantity requirements. Cross-reference the RoHS compliance status with current environmental regulations before finalizing procurement orders.

Selection Notes

Select this component when a single-channel solution with integrated switching is required. It is suitable for designs needing precise current control without external MOSFETs. Consider the thermal performance limits when designing for high ambient temperatures. Verify that the input voltage range meets the system's power supply constraints.

Part Context

This part belongs to the IS31LT31xx series of linear LED drivers from Lumissil Microsystems. The series focuses on providing reliable constant-current solutions for various lighting applications. These drivers are known for their simplicity and robust protection features, making them suitable for cost-sensitive and space-constrained designs.

Replacement Considerations

The IS31LT3178-STLS4-TR is a manufacturer-recommended substitute. Both parts share identical electrical characteristics and pin configurations. Verify compatibility with existing PCB layouts and firmware settings if applicable.