LT3942EUFD#TRPBF

$8.18

Description：IC LED DRIVER RGLTR PWM 2A 28QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:92bec48ce178 Category: LED Drivers IC Brand: Analog Devices Inc.

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Product introduction

LT3942EUFD#TRPBF is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC LED DRIVER RGLTR PWM 2A 28QFN. Review the specifications below when checking this part for your BOM.

LED Driver IC specifications for LT3942EUFD#TRPBF

Description：IC LED DRIVER RGLTR PWM 2A 28QFN
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Type：DC DC Regulator
Topology：Step-Down (Buck), Step-Up (Boost)
Internal Switch(s)：Yes
Number of Outputs：1
Voltage - Supply (Min)：3V
Voltage - Supply (Max)：36V
Voltage - Output：0V ~ 36V
Current - Output / Channel：2A
Frequency：300kHz ~ 2MHz
Dimming：Analog, PWM
Applications：General Purpose, Lighting
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：28-WFQFN Exposed Pad
Supplier Device Package：28-QFN (4x5)
Grade：Automotive
Qualification：-

LED Driver IC datasheet and documents for LT3942EUFD#TRPBF

LT3942EUFD#TRPBF

LED Driver IC Overview

The LT3942EUFD#TRPBF is a monolithic synchronous buck-boost converter and LED driver from Analog Devices. It features a 4-switch topology supporting input voltages from 2.8V to 36V. The device regulates output currents up to 2A with integrated constant voltage and constant current control. Operating frequencies range from 300kHz to 2MHz. It supports analog and PWM dimming for precise brightness adjustment. The component is housed in a 28-lead QFN package.

LED Driver IC Feature Summary

Integrates a 4-switch synchronous buck-boost converter with combined constant voltage and constant current regulation capabilities.
Supports wide input voltage ranges suitable for battery-powered applications, extending operational life across discharge cycles.
Enables precise LED brightness control through dedicated analog and pulse-width modulation dimming inputs.

LED Driver IC Applications

Battery-powered portable LED lighting systems
Automotive interior and exterior illumination circuits
Industrial indicator and status lighting arrays

LED Driver IC Procurement Notes

Verify the specific suffix against official Analog Devices documentation to confirm package type and tape/reel specifications. Ensure compatibility with required operating temperature ranges and dimming signal levels before integration. Cross-reference datasheet revisions to validate pinout consistency and electrical characteristics for the final design implementation.

LED Driver IC Selection Notes

Select this component when designing circuits requiring both voltage regulation and constant current LED driving from a single stage. Evaluate thermal performance requirements based on the QFN-28 package and expected load conditions. Confirm that the input source voltage profile remains within the specified 2.8V to 36V window for optimal efficiency and stable operation.

LED Driver IC Part Context

This part belongs to the LT3942 family of high-efficiency power management ICs designed for demanding LED applications. It shares architectural similarities with other buck-boost drivers but offers specific current ratings and packaging options. The EUFD suffix indicates a specific commercial grade variant within the broader product line.