LT3956IUHE#TRPBF

$5.23

Description：IC LED DRVR RGLTR PWM 3.3A 36QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)

SKU:b9c5776cd9ca Category: LED Drivers IC Brand: Analog Devices Inc.

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Product introduction

LT3956IUHE#TRPBF is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC LED DRVR RGLTR PWM 3.3A 36QFN. Review the specifications below when checking this part for your BOM.

LED Driver IC specifications for LT3956IUHE#TRPBF

Description：IC LED DRVR RGLTR PWM 3.3A 36QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)
Type：DC DC Regulator
Topology：Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
Internal Switch(s)：Yes
Number of Outputs：1
Voltage - Supply (Min)：4.5V
Voltage - Supply (Max)：80V
Voltage - Output：80V
Current - Output / Channel：3.3A (Switch)
Frequency：100kHz ~ 1MHz
Dimming：Analog, PWM
Applications：-
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：36-WFQFN, 28 Leads, Exposed Pad
Supplier Device Package：36-QFN (5x6)
Grade：-
Qualification：-

LED Driver IC datasheet and documents for LT3956IUHE#TRPBF

LT3956IUHE#TRPBF

LED Driver IC Overview

The LT3956IUHE#TRPBF is a high-voltage LED lighting driver IC from Analog Devices Inc., housed in a 36-lead QFN package. It supports input and output voltages up to 80V, delivering a regulated output current of 1.5A or 3.3A depending on configuration. The device integrates constant-current and constant-voltage modes for flexible LED control. It features analog and PWM dimming capabilities, operating within a temperature range of -40°C to +125°C. Designed for efficiency, it utilizes a synchronous rectification architecture suitable for compact power supply designs.

LED Driver IC Feature Summary

Supports multiple converter topologies including boost, flyback, SEPIC, and buck configurations
Integrates analog and pulse-width modulation dimming controls for precise brightness regulation
Provides constant-current and constant-voltage output modes for versatile LED driving applications

LED Driver IC Applications

LED lighting systems requiring high voltage inputs
Display backlight drivers for industrial or commercial displays
Indicator lighting circuits with variable brightness control
Compact power supplies utilizing flyback or SEPIC architectures

LED Driver IC Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm packaging and tape-and-reel specifications. Ensure compatibility with the required thermal pad soldering process for the QFN-36 package. Cross-reference the part number with authorized distributors to confirm availability status and lead times, as supply constraints may affect procurement timelines.

LED Driver IC Selection Notes

Select this component when designing LED drivers that require high input voltage tolerance up to 80V. Consider the 3.3A switch current capability for higher power applications or the 1.5A rating for standard loads. Evaluate the need for PWM versus analog dimming signals based on system control requirements. Ensure the PCB layout accommodates the thermal performance needs of the exposed pad QFN package.

LED Driver IC Part Context

This part belongs to the LT3956 series of high-voltage LED drivers. It shares architectural similarities with other LT395x family members but is distinct in its specific voltage ratings and current capabilities. The series is designed for applications demanding robust performance in harsh electrical environments with wide input voltage ranges.