View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Netherlands(Nederland) Spain(español) Turkey(Türk dili) Israel(עִבְרִית) Denmark(Dansk) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Philippines(Pilipino)
Africa, India and Middle East
India(हिंदी)
North America
United States(English) Canada(English) Mexico(español)
HomeProductsIntegrated Circuits (ICs)PMIC - LED DriversLT3477EUF#TRPBF
LT3477EUF#TRPBF Image
Image may be representation.
See specifications for product details.

LT3477EUF#TRPBF - Analog Devices Inc.

Manufacturer Part Number
LT3477EUF#TRPBF
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-LT3477EUF#TRPBF
ECAD Model
Parts Description
IC LED DRIVER RGLTR PWM 3A 20QFN
Detailed Description
Package
20-WFQFN Exposed Pad
Data sheet
LT3477 Datasheet.pdf
RoHs Status
ROHS3 Compliant
In stock: 7341

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity

Specifications

LT3477EUF#TRPBF Tech Specifications
Analog Devices Inc. - LT3477EUF#TRPBF technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - LT3477EUF#TRPBF

Product Attribute Attribute Value  
Manufacturer Analog Devices, Inc.  
Voltage - Supply (Min) 2.5V  
Voltage - Supply (Max) 25V  
Voltage - Output -  
Type DC DC Regulator  
Topology Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)  
Supplier Device Package 20-QFN (4x4)  
Series -  
Package / Case 20-WFQFN Exposed Pad  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Operating Temperature -40°C ~ 85°C (TA)  
Number of Outputs 1  
Mounting Type Surface Mount  
Internal Switch(s) Yes  
Frequency 200kHz ~ 3.5MHz  
Dimming PWM  
Current - Output / Channel 3A (Switch)  
Base Product Number LT3477  
Applications -  

Parts Introduction

Manufacturer Part Number

LT3477EUF#TRPBF

Manufacturer

Analog Devices

Introduction

The LT3477EUF#TRPBF is a versatile power management integrated circuit (PMIC) designed for LED driving applications, capable of regulating various topologies.

Product Features and Performance

Supports topologies like Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)

Internal Switch(s) included

Frequency range from 200kHz to 3.5MHz

Capable of driving up to 3A (Switch Current)

Temperature operation range from -40°C to 85°C

PWM dimming capable

Product Advantages

Integrated switching reduces external component count

Wide input voltage range from 2.5V to 25V supports various supply voltages

Versatile topological support enhances design flexibility for different applications

Key Technical Parameters

Topology: Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)

Min Voltage - Supply: 2.5V

Max Voltage - Supply: 25V

Output Current per Channel: 3A (Switch)

Frequency: 200kHz ~ 3.5MHz

Operating Temperature: -40°C to 85°C

Quality and Safety Features

Built-in thermal shutdown

Overcurrent and overvoltage protection

Designed for robust operation in extended temperatures

Compatibility

Compatible with a range of LEDs requiring versatile driving configurations

Surface Mount type enables integration into a variety of PCB designs

Application Areas

Ideal for powering LEDs in automotive, industrial, and consumer applications

Product Lifecycle

Currently in active status with Analog Devices

Not indicated as nearing discontinuation, ensuring long-term availability

Several Key Reasons to Choose This Product

Versatile topology handling simplifies design for various circuit configurations

High-frequency operation enabling compact passive components

Broad temperature and voltage operating ranges fit diverse environmental conditions

Integrated protection features ensure long-term reliability

PWM dimming support provides flexibility in light intensity management

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. LT3477EUF#TRPBF

Product Attribute LT3477EUF#TRPBF LT3478EFE#TRPBF LT3476EUHF#TRPBF LT3478EFE#PBF
Part Number LT3477EUF#TRPBF LT3478EFE#TRPBF LT3476EUHF#TRPBF LT3478EFE#PBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Series - - - -
Type DC DC Regulator DC DC Regulator DC DC Regulator DC DC Regulator
Internal Switch(s) Yes Yes Yes Yes
Base Product Number LT3477 LT3478 LT3476 LT3478
Supplier Device Package 20-QFN (4x4) 16-TSSOP-EP 38-QFN (5x7) 16-TSSOP-EP
Voltage - Supply (Max) 25V 36V 16V 36V
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tube
Frequency 200kHz ~ 3.5MHz 200kHz ~ 2.25MHz 200kHz ~ 2MHz 200kHz ~ 2.25MHz
Topology Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost) Step-Down (Buck), Step-Up (Boost) Step-Down (Buck), Step-Up (Boost) Step-Down (Buck), Step-Up (Boost)
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 125°C (TJ) -40°C ~ 85°C (TA) -40°C ~ 125°C (TJ)
Applications - Backlight Backlight Backlight
Current - Output / Channel 3A (Switch) 4.5A (Switch) 1.5A (Switch) 4.5A (Switch)
Dimming PWM PWM PWM PWM
Number of Outputs 1 1 4 1
Voltage - Output - 42V 2.2V ~ 36V 42V
Package / Case 20-WFQFN Exposed Pad 16-TSSOP (0.173", 4.40mm Width) Exposed Pad 38-WFQFN Exposed Pad 16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Voltage - Supply (Min) 2.5V 2.8V 2.8V 2.8V

LT3477EUF#TRPBF Datasheet PDF

Download LT3477EUF#TRPBF pdf datasheets and Analog Devices Inc. documentation for LT3477EUF#TRPBF - Analog Devices Inc..

Datasheets
LT3477 Datasheet.pdf
Other Related Documents
Tape and Reel Packaging.pdf
PCN Assembly/Origin
Assembly 20/Feb/2022.pdf
Environmental Information
Material Declaration LT3477EUF#TRPBF.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

View More
LT3477EUF#TRPBF Image

LT3477EUF#TRPBF

Analog Devices Inc.
32D-LT3477EUF#TRPBF

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

0 RFQ
Shopping cart (0 Items)
It is empty.
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB