LT3478IFE-1#TRPBF

$5.48

Description：IC LED DRV RGLTR PWM 16TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)

SKU:87593255e133 Category: LED Drivers IC Brand: Analog Devices Inc.

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Product introduction

LT3478IFE-1#TRPBF is listed in the LED Driver IC range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC LED DRV RGLTR PWM 16TSSOP. Review the specifications below when checking this part for your BOM.

LED Driver IC specifications for LT3478IFE-1#TRPBF

Description：IC LED DRV RGLTR PWM 16TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)
Type：DC DC Regulator
Topology：Step-Down (Buck), Step-Up (Boost)
Internal Switch(s)：Yes
Number of Outputs：1
Voltage - Supply (Min)：2.8V
Voltage - Supply (Max)：36V
Voltage - Output：42V
Current - Output / Channel：4.5A (Switch)
Frequency：200kHz ~ 2.25MHz
Dimming：PWM
Applications：Backlight
Operating Temperature：-40°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package：16-TSSOP-EP
Grade：-
Qualification：-

LED Driver IC datasheet and documents for LT3478IFE-1#TRPBF

LT3478IFE-1#TRPBF

LED Driver IC Overview

The LT3478IFE-1#TRPBF is a monolithic LED driver IC from Analog Devices, designed for high-current applications. It features a boost and buck topology with an integrated switch capable of delivering 4.2 A output current. The device operates within an input voltage range of 2.8 V to 36 V and supports switching frequencies between 200 kHz and 2.25 MHz. It provides up to 42 V output voltage and includes true color PWM dimming capabilities. Packaged in a TSSOP-16 format, it functions across temperatures from -40°C to +125°C.

LED Driver IC Feature Summary

Supports both boost and buck topologies for flexible LED string configurations
Integrates true color pulse-width modulation (PWM) dimming for accurate brightness control
Includes open LED protection to enhance system reliability

LED Driver IC Applications

High-power LED lighting systems
Automotive exterior lighting modules
Industrial illumination fixtures

LED Driver IC Procurement Notes

Verify the specific suffix #TRPBF indicates tape-and-reel packaging when sourcing. Confirm availability status as supply may be limited or restricted. Ensure the component matches the exact Analog Devices part number to guarantee compatibility with design specifications and regulatory requirements.

LED Driver IC Selection Notes

Select this component for designs requiring high output current up to 4.2 A with combined buck-boost flexibility. Consider the wide input voltage range suitable for automotive or industrial power rails. Evaluate thermal management needs due to the high current capability and operating temperature range up to 125°C.

LED Driver IC Part Context

This part belongs to the LT3478 series of mono LED drivers. It shares the core architecture with variants like LT3478IFE#TRPBF but differs in package or operational parameters. The -1 suffix typically denotes specific electrical characteristics or pinout variations within the family.