Manufacturer Part Number
LTC3866EUF#TRPBF
Manufacturer
Analog Devices
Introduction
High performance step-down switching regulator controller for power management applications.
Product Features and Performance
High efficiency synchronous operation
Wide 4.5V to 38V input voltage range
Selectable switching frequency from 250kHz to 770kHz
Single-phase operation
Positive output configuration
Integrated features like current limit, power good, and soft start
Designed for use in high-density power supply designs
Product Advantages
Synchronous rectifier integration for improved efficiency
Buck topology for efficient step-down voltage regulation
Current mode operation for excellent line and load transient response
Key Technical Parameters
Output Type: Transistor Driver
Function: Step-Down
Voltage - Supply (Vcc/Vdd): 4.5V to 38V
Frequency - Switching: 250kHz to 770kHz
Synchronous Rectifier: Yes
Control Features: Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
Quality and Safety Features
Operating Temperature Range: -40°C to 125°C
Robust thermal performance with exposed pad package
Compatibility
Surface mount technology compatible
24-QFN (4x4) package ideal for space-constrained applications
Application Areas
Server and telecom power supplies
Automotive and industrial power systems
Distributed power systems and FPGA/DSP/ASIC power supplies
Product Lifecycle
Active status with ongoing support
No indication of discontinuation, ensuring long-term availability
Several Key Reasons to Choose This Product
Highly integrated control features for simplified design
Adaptable switching frequency for optimization of efficiency and size
Wide input voltage range accommodating a variety of applications
Optimized for the use in modern, compact electronic systems
Extended operating temperature suitable for industrial environments
Analog Devices' reputation for quality and reliability