STLD41PUR

$1.33

Description：IC LED DRVR RGLTR PWM 120MA 8QFN
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:fb8437867d48 Category: LED Drivers IC Brand: STMicroelectronics

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Product introduction

Product Detailed Parameters

Description：IC LED DRVR RGLTR PWM 120MA 8QFN
Series：-
Mfr：STMicroelectronics
Package：Tape & Reel (TR),Cut Tape (CT)
Type：DC DC Regulator
Topology：Step-Up (Boost)
Internal Switch(s)：Yes
Number of Outputs：1
Voltage - Supply (Min)：3V
Voltage - Supply (Max)：21V
Voltage - Output：38V
Current - Output / Channel：120mA
Frequency：1.4MHz
Dimming：PWM
Applications：Backlight
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：8-VDFN Exposed Pad
Supplier Device Package：8-QFN (3x3)
Grade：-
Qualification：-

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STLD41PUR

Overview

The STLD41PUR is an LED lighting driver from STMicroelectronics, designed for white LED and LCD backlight applications. It operates with a DC input voltage range of 3 V to 21 V and provides a regulated output current of 120 mA. The device functions within a switching frequency range of 25 kHz to 50 kHz. It supports surface mount installation in a DFN-8 package and is rated for operation between -40 °C and +85 °C.

Feature Summary

Regulated constant current output for stable LED illumination
Integrated boost converter topology for efficient power conversion
Supports PWM dimming operations for brightness control

Applications

White LED lighting systems
LCD backlight drivers

Procurement Notes

Verify the specific ordering suffix against official STMicroelectronics documentation to ensure correct packaging configuration. Confirm that the component meets RoHS compliance requirements as stated in the manufacturer's specifications. Cross-reference the part number with authorized distributors to validate authenticity and traceability before procurement.

Selection Notes

Select this component when a single-channel LED driver with a 120 mA output current is required. Ensure the application input voltage falls within the 3 V to 21 V range. Consider the DFN-8 package size for space-constrained PCB layouts. Verify thermal management capabilities for the intended operating temperature environment.

Part Context

This part belongs to the STLD41 series of LED drivers manufactured by STMicroelectronics. It is categorized under LED lighting drivers and serves as a specialized integrated circuit for managing LED currents in display and lighting applications. The series focuses on providing reliable regulation for white LEDs and backlighting solutions.