Manufacturer Part Number
LTC3119EFE#PBF
Manufacturer
Analog Devices
Introduction
High-efficiency buck-boost DC/DC converter
Product Features and Performance
Versatile step-up/step-down voltage regulation
Wide input voltage range from 2.5V to 18V
Adjustable output voltage range from 0.8V to 18V
Capable of delivering up to 5A output current
Switching frequency adjustable between 400kHz and 2MHz
Integrated synchronous rectifier for improved efficiency
Suitable for operation over a temperature range of -40°C to 125°C
Available in a 28-TSSOP package with exposed pad for enhanced thermal dissipation
Product Advantages
High efficiency across a wide range of input and output voltages
Continuous transition between buck and boost modes without interruption
High current capability for demanding applications
Programmable switching frequency for optimization between performance and external component size
Thermal and overcurrent protection for robust power management
Key Technical Parameters
Input Voltage (Min): 2.5V
Input Voltage (Max): 18V
Output Voltage (Min/Fixed): 0.8V
Output Voltage (Max): 18V
Current Output: 5A
Frequency Switching: 400kHz ~ 2MHz
Synchronous Rectifier: Yes
Temperature Range: -40°C to 125°C
Quality and Safety Features
Overcurrent protection
Thermal shutdown
Stable operation under wide temperature ranges
Compatibility
Compatible with a variety of capacitive, resistive, and inductive loads
Suitable for diverse electronic applications requiring adjustable power supply
Application Areas
Portable electronics
Automotive power systems
Industrial power supplies
Medical devices
Product Lifecycle
Active product status indicating current manufacture and support
No immediate risk of discontinuation
Upgrade paths available for future performance improvements
Reasons to Choose This Product
Ensured performance from a reputable manufacturer, Analog Devices
Highly flexible power solution suitable for a wide range of input and output configurations
High-efficiency conversion reduces power loss and heat generation
Robust protection features safeguard against common electrical faults
Easy to integrate into various designs with surface-mount 28-TSSOP packaging
Backed by extensive technical documentation and support from Analog Devices