EN
  • EN
  • DE

LT3477IUF#PBF

Part No LT3477IUF#PBF
Manufacturer Linear Technology
Catalog Board Mount LED Drivers
Description IC LED DRIVER RGLTR DIM 3A 20QFN / LED Driver 4 Segment 7500uA Supply Current 20-Pin QFN EP Tube
Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories Integrated Circuits (ICs)
Manufacturer Linear Technology
Packaging Tube
Type DC DC Regulator
Topology Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
Internal Switch(s) Yes
Number of Outputs 1
Voltage Supply MIN 2.5V
Voltage Supply MAX 25V
Output Current per Channel 3A (Switch)
Frequency 200kHz ~ 3.5MHz
Dimming PWM
Operating Temperature Range -40°C ~ 125°C (TA)
Mounting SMD
Package 20-WFQFN Exposed Pad
Manufacturer Package 20-QFN (4x4)
Win Source Part Number 781042-LT3477IUF#PBF
Popularity Medium
Supply and Demand Status Limited
Family Name LT3477
Introduction Date May 02, 2005
ECCN EAR99
Country of Origin Malaysia
Halogen Free Compliant
Estimated EOL Date 2031
Ultra Librarian 3D Model Ultra Librarian LT3477IUF#PBF CAD Model

Description

The LT3477IUF#PBF is a versatile, multi-topology LED driver IC from Linear Technology, designed to cater to a wide array of lighting applications. This powerful and efficient driver IC is capable of delivering up to 3A of continuous output current, making it suitable for driving high-power LEDs in industrial, automotive, and general lighting applications.

Key Features

  • Wide Input Voltage Range: The device supports an input voltage range from 2.8V to 16V, allowing it to be used with a variety of power sources.
  • Adjustable Switching Frequency: The LT3477IUF#PBF offers an adjustable switching frequency from 200kHz to 2MHz, which provides flexibility in optimizing efficiency and component size.
  • Internal Soft-Start: The built-in soft-start feature limits inrush current during startup, enhancing system reliability.
  • Open LED Protection: The IC includes open LED protection that ensures safe operation if the LED string is broken or disconnected.
  • Thermal Protection: Over-temperature protection safeguards the IC from damage due to excessive heat.
  • PWM Dimming Capability: The device supports pulse-width modulation (PWM) dimming, offering precise control over the LED brightness levels.

Applications

The LT3477IUF#PBF's robust feature set makes it an ideal choice for a variety of applications, including:

  • Automotive and avionic lighting systems
  • Architectural detail and feature lighting
  • Industrial and commercial lighting solutions
  • Portable and handheld illumination devices

Package and Quality

The LT3477IUF#PBF comes in a compact QFN-16 package, offering a space-saving solution for modern PCB designs. The product adheres to Linear Technology's commitment to high quality and reliability, ensuring performance in even the most demanding environments.

With its comprehensive protection features and flexible design options, the LT3477IUF#PBF stands out as a top-tier LED driver solution for engineers and designers looking to enhance their lighting systems with efficiency, precision, and robustness.

You May Also Be Interested in

Infineon Technologies
EVAL KIT / ICL5102 1, Non-Isolated Outputs LED Driver Evaluation Board
Need more? Email Us
NXP / Nexperia
PCA9955 I2C LED DEMOBOARD / PCA9955 16, Non-Isolated Outputs LED Driver Evaluation Board
Need more? Email Us
ON Semiconductor
EVAL BOARD 120V CCR LED DRIVER / NSIC2030B, NSIC2050B 1, Non-Isolated Outputs LED Driver Evaluation Board
Need more? Email Us
STMicroelectronics
Need more? Email Us
STMicroelectronics
Need more? Email Us
Maxim Integrated
EVALUATION KIT FOR MAX1698 / MAX1698 1, Non-Isolated Outputs LED Driver Evaluation Board
Need more? Email Us
STMicroelectronics
Need more? Email Us
STMicroelectronics
Need more? Email Us
Analog Devices Inc.
Need more? Email Us

Top Sellers

FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16QFN
Lowest to $6.2963
Realtek
INTEGRATED 10/100/1000M ETHERNET TRANSCEIVER
Lowest to $2.4354
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $9.5038
JST Sales America Inc.
CONN HEADER SMD 6POS 1.25MM
Lowest to $0.4985
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.8018
Vicor Corporation
DC DC CONVERTER 10-50V / 8V – 60VIN , 10V – 50VOUT , 50 – 140W Cool-Power ZVS Buck-Boost Regulator
Lowest to $32.0752
Altera
IC CPLD 128MC 10NS 100TQFP
Lowest to $3.3015
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
Lowest to $18.8657
FTDI, Future Technology Devices International Ltd
USB-to-UART 1-CH 512byte FIFO 5V 12-Pin DFN EP T/R / IC USB SERIAL BASIC UART 12DFN
Lowest to $4.5143
JST Sales America Inc.
CONN HEADER GH TOP 4POS 1.25MM
Lowest to $0.2640
TDK InvenSense
MOTION SENSOR / Accelerometer, Gyroscope, 6 Axis Sensor Output
Lowest to $18.0572
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0713
Atheros
Ethernet TXRX Single Chip 1-Port 3.3V 10Mbps/100Mbps/1000Mbps 48-Pin QFN EP Tray
Lowest to $2.6071
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.2166
Texas Instruments
DC DC CONVERTER 1-16V / Non-Isolated PoL Module DC DC Converter 1 Output 1 ~ 16V 6A 3V - 36V Input
Lowest to $13.0101

Pricing & Ordering

Quantity Unit Price Ext. Price
7+ $7.3111 $51.1777
17+ $5.9989 $101.9813
26+ $5.8114 $151.0964
36+ $5.6239 $202.4604
46+ $5.4365 $250.0790
62+ $4.8741 $302.1942
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 509 pieces
MOQ: 7 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess