Manufacturer Part Number
LT3748EMS#PBF
Manufacturer
Analog Devices
Introduction
The LT3748 is a switching controller IC designed for DC-DC power conversion with transformer isolation.
Product Features and Performance
Advanced switch mode design for efficient power conversion
Capable of step-up and step-down voltage regulation
Isolation capable output configuration for transformer designs
Flyback topology support
Single output with one phase
Operating input voltage range from 5V to 100V
Soft start and enable control features for smooth operation
High operating temperature range from -40°C to +125°C
Surface mount package suitable for space-constrained applications
Product Advantages
Wide input voltage range accommodates various power sources
High-temperature tolerance ensures reliability in harsh environments
Transformer isolation capability increases safety for sensitive applications
Simplified design without the need for a synchronous rectifier or clock synchronization
Integrated soft start function minimizes inrush current
Key Technical Parameters
One output with a transistor driver output type
Voltage supply (Vcc/Vdd) from 5V to 100V
Operating temperature range -40°C to 125°C
Mounting type: Surface Mount
Package / Case: 16-TFSOP (0.118", 3.00mm width), 12 leads
Supplier device package: 16-MSOP
Quality and Safety Features
Built-in thermal shutdown for protection against overheating
Overvoltage and undervoltage lockout to safeguard the IC and connected components
Compatibility
Compatible with various transformer designs for isolated applications
Suitable for use in a wide range of input voltage environments
Application Areas
Industrial control systems
Medical equipment
Automotive power systems
Telecommunications infrastructure
Isolated power supplies
Product Lifecycle
The product is currently active
No indication of nearing discontinuation
Replacement or upgrade models may be available through Analog Devices' product portfolio
Several Key Reasons to Choose This Product
High reliability in extended temperature ranges makes it ideal for industrial and automotive applications
Transformer isolation offers added safety and meets regulatory standards for certain industries
The LT3748's wide voltage range provides design flexibility for different power systems
No need for external synchronous rectification simplifies circuit design and reduces component count
Analog Devices is a reputable manufacturer with robust support and resources for developers