LT3743EFE

Description：IC LED DRVR CTRL PWM 20A 28TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:4fd9c85efba7 Category: LED Drivers IC Brand: Analog Devices Inc.

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

LT3743EFE is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC LED DRVR CTRL PWM 20A 28TSSOP. Review the specifications below when checking this part for your BOM.

LED Driver IC specifications for LT3743EFE

Description：IC LED DRVR CTRL PWM 20A 28TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Type：DC DC Controller
Topology：Step-Down (Buck)
Internal Switch(s)：No
Number of Outputs：1
Voltage - Supply (Min)：6V
Voltage - Supply (Max)：36V
Voltage - Output：-
Current - Output / Channel：-
Frequency：200kHz ~ 1MHz
Dimming：PWM
Applications：Lighting
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：28-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package：28-TSSOP-EP
Grade：-
Qualification：-

LED Driver IC datasheet and documents for LT3743EFE

LT3743EFE

LED Driver IC Overview

The LT3743EFE is a fixed-frequency, synchronous buck DC/DC controller designed for driving high-current LEDs. It operates as an average current mode controller, maintaining inductor current regulation within a wide output voltage range of 0V to (VIN - 2V). The device supports PWM dimming and features a 28-lead HTSSOP package with an exposed pad for thermal management.

LED Driver IC Feature Summary

Synchronous buck topology optimized for high-current LED applications
Average current mode control for precise inductor current regulation
Wide output voltage capability from 0V up to VIN minus 2V
Integrated PWM dimming functionality for brightness control

LED Driver IC Applications

High-power LED lighting systems
Industrial display backlights
Automotive lighting applications

LED Driver IC Procurement Notes

Verify the specific suffix (e.g., EFE#PBF) against the manufacturer's official datasheet to confirm pinout and packaging details. Ensure compatibility with external MOSFETs if required by the design. Confirm lead-free status and RoHS compliance through official documentation before procurement.

LED Driver IC Selection Notes

Select this component when designing synchronous buck converters for LED loads requiring wide input voltage ranges. It is suitable for applications needing precise current regulation without external sense resistors for the main power stage. Consider thermal performance due to the high current capabilities inherent in the synchronous design.

LED Driver IC Part Context

This part belongs to Analog Devices' family of LED driver controllers. It is specifically engineered to simplify high-efficiency LED power supply designs by integrating the control logic for a synchronous buck converter. The device replaces discrete solutions, reducing component count and board space while maintaining high efficiency.

LED Driver IC Replacement Considerations

Check for direct substitutes such as the LT3743EFE#TRPBF for tape-and-reel packaging. Verify functional equivalence with other ADI LED drivers like the LT3745 or LT3746 if different pinouts or features are required. Always consult the latest datasheets for updated specifications.