Manufacturer Part Number
LTC3851EGN#TRPBF
Manufacturer
Analog Devices
Introduction
High-performance step-down switching regulator controller for power management applications.
Product Features and Performance
Single output step-down (buck) controller
Positive output configuration
Wide input voltage range of 4V to 38V
Adjustable switching frequency from 250kHz to 750kHz
High duty cycle up to 99% for low dropout operations
Integrated synchronous rectifier for high efficiency
Features such as current limit, enable, frequency control, soft start, and tracking for flexible control
Product Advantages
Allows for design of efficient power management systems with its high duty cycle and synchronous rectification
Versatile application due to wide input voltage range and adjustable switching frequency
Compact 16-SSOP package for space-constrained applications
Key Technical Parameters
Output Type: Transistor Driver
Function: Step-Down
Topology: Buck
Number of Outputs: 1
Voltage - Supply (Vcc/Vdd): 4V ~ 38V
Frequency - Switching: 250kHz ~ 750kHz
Duty Cycle (Max): 99%
Compatible with synchronous rectification
Quality and Safety Features
Operational temperature range from -40°C to 85°C for robust performance in varied environments
Compatibility
Surface Mount compatible for automated PCB assembly processes
Packaged in 16-SSOP for compatibility with standard soldering and PCB layout techniques
Application Areas
Suitable for power supply design in consumer electronics, networking, automotive, and industrial applications
Product Lifecycle
Product status is currently active
Not indicated to be nearing discontinuation, ensuring product availability for future designs
Several Key Reasons to Choose This Product
Reduces heat and improves efficiency in power supply applications due to synchronous rectification
Flexible power supply design due to its wide input voltage range and adjustable switching frequency
Supports complex power management tasks with advanced control features
Operates reliably in a wide range of temperatures and environmental conditions
Space-saving and robust package suitable for various electronic devices
LTC3851EUDLinear Technology / Analog Devices