LT3478EFE-1#PBF

$9.60

Description：IC LED DRV RGLTR PWM 16TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:e663b6dd4f64 Category: LED Drivers IC Brand: Analog Devices Inc.

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Product introduction

LT3478EFE-1#PBF 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 LT3478EFE-1#PBF

Description：IC LED DRV RGLTR PWM 16TSSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube
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 LT3478EFE-1#PBF

LT3478EFE-1#PBF

LED Driver IC Overview

The LT3478EFE-1#PBF is a single-channel LED lighting driver IC from Analog Devices, housed in a TSSOP-16 package. It supports Boost and Buck topologies with an output current of 4.2 A and a maximum output voltage of 42 V. The device operates on input voltages between 2.8 V and 36 V, with a switching frequency range of 200 kHz to 2.25 MHz. It features PWM dimming, open LED protection, and functions within a temperature range of -40°C to +125°C.

LED Driver IC Feature Summary

Integrates Boost and Buck converter topologies for flexible LED drive configurations
Supports high-current mono LED driving up to 4.2 A
Includes True Color PWM dimming capability for precise light control
Provides built-in open LED protection for system reliability

LED Driver IC Applications

General LED lighting applications
Backlight systems requiring high current
Industrial lighting fixtures

LED Driver IC Procurement Notes

Verify component authenticity through authorized channels due to limited supply status. Confirm RoHS compliance and specific lot codes against the official datasheet. Check for any Product Change Notifications (PCN) that may affect specifications or manufacturing location. Ensure storage conditions meet moisture sensitivity level requirements prior to assembly.

LED Driver IC Selection Notes

Select this component for designs requiring a single-channel driver with combined buck-boost flexibility. Evaluate thermal performance given the 4.2 A output current in a TSSOP-16 package. Ensure the application input voltage falls within the 2.8 V to 36 V range. Consider the 200 kHz to 2.25 MHz frequency range for inductor selection and EMI management.

LED Driver IC Part Context

This part belongs to the LT3478 series of LED drivers from Analog Devices. It is designed for high-efficiency LED illumination where precise current regulation and dimming are required. The device integrates power switches and control logic to simplify design implementation for various LED string configurations.