Manufacturer Part Number
LT3477IFE#TRPBF
Manufacturer
analog-devices
Introduction
The LT3477IFE#TRPBF is a high-efficiency, wide input voltage range, single output, synchronous step-down DC/DC converter ideal for LED driver applications. It can operate from an input voltage range of 2.5V to 25V and provide up to 3A of output current. The device features a high switching frequency of up to 3.5MHz, allowing for the use of small external components.
Product Features and Performance
Wide input voltage range of 2.5V to 25V
Up to 3A output current
Switching frequency up to 3.5MHz
High efficiency, up to 95%
PWM dimming capability
Configurable as a flyback, SEPIC, step-down (buck), or step-up (boost) converter
Internal high-side and low-side power switches
Thermal shutdown, overcurrent, and overvoltage protection
Adjustable soft-start
Small 20-pin TSSOP package with exposed pad for improved thermal performance
Product Advantages
High efficiency and power density for compact designs
Wide input voltage range for versatile applications
High switching frequency enables use of small external components
Configurable topology for various LED driver needs
Comprehensive protection features for reliable operation
Key Reasons to Choose This Product
Excellent efficiency and power density for energy-efficient LED lighting
Flexible input voltage range for use in a variety of applications
High switching frequency allows for smaller passive components
Configurable topology provides design flexibility
Robust protection features ensure reliable and safe operation
Quality and Safety Features
Thermal shutdown protection
Overcurrent and overvoltage protection
Adjustable soft-start for controlled inrush current
Compatibility
The LT3477IFE#TRPBF is compatible with a wide range of LED lighting applications, including:
Architectural and commercial lighting
Signage and backlighting
Industrial and automotive lighting
Application Areas
LED drivers for indoor and outdoor lighting
General-purpose DC/DC conversion in various electronics
Product Lifecycle
The LT3477IFE#TRPBF is an active product, and there are no immediate plans for discontinuation. Analog Devices may introduce newer models with enhanced features or performance in the future, but the LT3477 series will continue to be supported. Customers are advised to check with our website's sales team for the latest product information and availability.