Manufacturer Part Number
LTC3119EUFD#PBF
Manufacturer
Analog Devices
Introduction
The LTC3119 is a highly versatile buck-boost voltage regulator with a wide input and output range, designed for use in various power management applications.
Product Features and Performance
Buck-Boost topology allows for step-up and step-down voltage regulation
Adjustable output voltage from 0.8V to 18V
Supports input voltages from 2.5V to 18V
Delivers up to 5A of output current
Switching frequency is adjustable from 400kHz to 2MHz
Incorporates a synchronous rectifier for improved efficiency
Operational temperature range from -40°C to 125°C
Surface mount QFN package for compact and efficient design
Product Advantages
Versatile input and output voltage range to accommodate various power sources and loads
High efficiency due to synchronous rectification
Adjustable switching frequency allows optimization between efficiency and component size
Capable of delivering significant current for high power applications
Suitable for both step-up and step-down operations within a single device
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
Quality and Safety Features
Operation within a wide temperature range ensures reliability under different environmental conditions
Compatibility
Surface Mount 28-WFQFN Exposed Pad packaging is compatible with modern PCB technology for easy integration
Application Areas
Portable electronics
Battery-powered devices
Automotive systems
Industrial power supplies
Product Lifecycle
Current status: Active
Not nearing discontinuation, with no immediate concern for obsolescence
Several Key Reasons to Choose This Product
Flexible voltage regulation suitable for a broad range of applications
High output current capability meets the needs of power-intensive devices
Adjustable features (output voltage, switching frequency) provide design versatility
High efficiency and reliability
Active product status ensures long-term availability and support