Manufacturer Part Number
LTC3850IGN#TRPBF
Manufacturer
Analog Devices
Introduction
Dual, 2-Phase Synchronous Step-Down Switching Regulator Controller
Product Features and Performance
Dual Output Synchronous Step-Down Controller
Two Output Phases
Up to 97.2% Duty Cycle
Frequency Range 250kHz to 780kHz
Synchronous Rectification for Improved Efficiency
Current Mode Operation for Excellent Line and Load Transient Response
Product Advantages
High Efficiency for Power Conservation
Independent Track/Soft Start for Each Channel
Power Good Output Voltage Monitoring
Reduced Complexity with Internal Drivers
Stable Operation with Ceramic Output Capacitors
Key Technical Parameters
Voltage Supply Range: 4V to 30V
Topological Design: Buck Converter (Step-Down)
Output Phases: 2
Switching Frequency Range: 250kHz to 780kHz
Maximum Duty Cycle: 97.2%
Temperature Range: -40°C to 85°C
Surface Mount Package
Quality and Safety Features
Overcurrent and Overvoltage Protection
Thermal Shutdown
Under Voltage Lockout (UVLO)
Compatibility
Compatible with Ceramic, Tantalum, and Bulk Capacitors
Compatible with High Step-Down Ratios Due to High Duty Cycle Capability
Application Areas
Power Regulation for Telecommunications
Computing Systems
Consumer Electronics
Networking Equipment
Industrial Applications
Product Lifecycle
Currently Active
Long-term Availability Anticipated
Several Key Reasons to Choose This Product
Optimized for Dual Channel Systems
Scalability and Flexibility in Power Design
Improved Power Density with High Efficiency
Robust Thermal Performance
Ease of Design with Comprehensive Control Features