Manufacturer Part Number
LTC3891IFE#PBF
Manufacturer
Analog Devices
Introduction
The LTC3891IFE#PBF is a high-performance step-down switching controller for power management applications, capable of driving a high current output with efficiency and precision.
Product Features and Performance
High voltage operation up to 60V
Adjustable switching frequency from 105kHz to 835kHz
Synchronous rectification for improved efficiency
Maximum 99% duty cycle
Integrated features such as current limit, enable, frequency control, soft start, and power good
Operates at a temperature range of -40°C to 125°C
Product Advantages
Robust high-voltage capability suitable for a wide range of supply voltages
Highly flexible switching frequency adjustment
Highly efficient synchronous operation
Comprehensive control features for enhanced performance
Built to withstand harsh temperature environments
Key Technical Parameters
Single output with transistor driver function
Positive output configuration
Buck topology
One output phase
Supply voltage range from 4V to 60V
Selectable frequency switching between two ranges
Surface mount TSSOP-20 package with an exposed pad
Quality and Safety Features
Operates reliably in a wide temperature range
Internal circuitry designed for stable and safe operation
Compatibility
Compatible with a variety of external components for design flexibility
Surface mount package suitable for automated PCB assembly
Application Areas
Telecommunications
Industrial power supplies
Automotive electronics
Networking equipment
Portable devices
Product Lifecycle
Product status is active, indicating ongoing production and support
No indication of nearing discontinuation at the knowledge cutoff date
Upgrades or replacements may be available as newer technology evolves
Several Key Reasons to Choose This Product
Versatile input voltage range accommodating diverse power systems
Highly adaptable with customizable switching frequencies
Optimal for high efficiency and power-dense applications
Comprehensive control and safety features ensure reliable operation
Suitable for a wide range of industrial, automotive, and telecommunication applications
Continued manufacturer support as denoted by active product status
