Manufacturer Part Number
LT3748IMS#TRPBF
Manufacturer
Analog Devices
Introduction
The LT3748 is a switching controller for DC DC power conversion designed for isolated flyback topology.
Product Features and Performance
Flyback controller with integrated features
Designed for step-up and step-down applications
Capable of isolation when used with transformer
Supports a wide input voltage range (5V to 100V)
Single output transistor driver
Operates with single output phase
Surface mount device with a small footprint
Product Advantages
High flexibility in design due to wide input voltage range
The option for isolated power supply design
Soft start and enable control features improve efficiency and reliability
High operating temperature range suitable for harsh environments
Does not require a synchronous rectifier or clock synchronization, simplifying design
Key Technical Parameters
Input Voltage: 5V ~ 100V
Topology: Flyback
Number of Outputs: 1
Output Configuration: Positive, isolation capable
Operating Temperature: -40°C ~ 125°C (TJ)
Mounting Type: Surface Mount
Package / Case: 16-TFSOP (0.118", 3.00mm Width), 12 Leads
Supplier Device Package: 16-MSOP
Quality and Safety Features
Capable of meeting high-temperature requirements
Built-in soft start reduces inrush current stress
Compatibility
Compatible with standard surface mount technology equipment
Usable for a variety of isolated output configurations
Application Areas
Power supplies for telecommunications
Industrial control systems
Medical equipment
Automotive electronics
Power conditioners and UPS systems
Product Lifecycle
Active product status
Not currently nearing discontinuation
Replacements or upgrades may be available under base product number LT3748
Several Key Reasons to Choose This Product
Wide input voltage range caters to versatile applications
Isolation capability is ideal for safety-critical applications
Soft start and enable pin reduces design complexity and increases system reliability
Durable and reliable across a broad temperature range, suitable for industrial and automotive use
The simplicity of non-synchronous design can reduce overall system cost
Tape and Reel packaging is excellent for high volume production environments