Manufacturer Part Number
LTC3891EUDC#TRPBF
Manufacturer
Analog Devices, Inc.
Introduction
High-performance, high-efficiency step-down DC/DC converter controller
Ideal for high-power density, point-of-load power supplies
Product Features and Performance
Wide input voltage range: 4V to 60V
Switching frequency range: 105kHz to 835kHz
High efficiency synchronous rectification
Built-in current limit, soft-start, and power good functions
Low quiescent current: 25μA
Product Advantages
Excellent load and line regulation
Cycle-by-cycle current limit
Programmable switching frequency
Adjustable soft-start
Programmable output voltage range
Key Technical Parameters
Input Voltage Range: 4V to 60V
Switching Frequency: 105kHz to 835kHz
Output Current Capability: Dependent on external components
Efficiency: Up to 97%
Quiescent Current: 25μA
Quality and Safety Features
RoHS3 compliant
Overcurrent protection
Thermal shutdown
Compatibility
Compatible with a wide range of power supply architectures
Suitable for high-power density, point-of-load power supplies
Application Areas
Industrial equipment
Telecom and networking equipment
Automotive electronics
Distributed power systems
Product Lifecycle
Currently in production
Replacements and upgrades available from Analog Devices
Key Reasons to Choose This Product
Wide input voltage range for versatile applications
High efficiency and low quiescent current for power-efficient designs
Comprehensive protection features for reliable operation
Flexible configuration options for optimized performance
Proven reliability and quality from Analog Devices