Manufacturer Part Number
LTC3119IUFD#TRPBF
Manufacturer
Analog Devices
Introduction
The LTC3119 is a versatile buck-boost switching regulator, optimized for efficient operation across a wide range of supply voltages and load conditions.
Product Features and Performance
Versatile step-up/step-down topology
Adjustable output voltage range from 0.8V to 18V
Supports input voltages from 2.5V to 18V
Maximum output current of 5A
Switching frequency adjustable from 400kHz to 2MHz
Synchronous rectification for improved efficiency
Capable of operating over a broad temperature range from -40°C to 125°C
Product Advantages
Maintains stable output voltage over varying input conditions
High efficiency across diverse operational scenarios
Suitable for battery-powered applications due to low input voltage capability
Key Technical Parameters
Voltage Input (Min): 2.5V
Voltage Input (Max): 18V
Voltage Output (Min/Fixed): 0.8V
Voltage Output (Max): 18V
Current Output: 5A
Frequency Switching: 400kHz ~ 2MHz
Operating Temperature: -40°C ~ 125°C
Quality and Safety Features
Over-temperature protection
Over-current protection
Built-in thermal shutdown
Compatibility
Compatible with a wide range of input and output voltages for use in various circuit configurations
QFN packaging for easy surface mount applications
Application Areas
Portable and battery-operated electronics
Automotive power supplies
Industrial power systems
Distributed power systems
Product Lifecycle
Status: Active
Not nearing discontinuation
Future replacement or upgrades are available
Several Key Reasons to Choose This Product
High flexibility for use in multiple applications due to buck-boost capability
Supports extremely wide range of input and output voltages
High efficiency reduces power loss and heat generation
Robust temperature and protection features ensure reliability in harsh conditions
Compact QFN packaging simplifies PCB design