Manufacturer Part Number
LTC3851EGN#PBF
Manufacturer
Analog Devices
Introduction
High-performance step-down switching regulator controller for power management applications.
Product Features and Performance
Regulates output voltages from 4V to 38V
Switching frequency adjustable from 250kHz to 750kHz
Maximum duty cycle of 99%
Supports synchronous rectification for improved efficiency
Current Limit, Enable, Frequency Control, Soft Start, and Tracking control features
Product Advantages
Adaptable for a wide range of input voltages
High efficiency due to synchronous rectification and high duty cycle
Flexible control options for precision power management
Soft Start minimizes inrush current during startup
Tracking enables controlled startup and shutdown
Key Technical Parameters
Output Type: Transistor Driver
Function: Step-Down
Output Configuration: Positive
Topology: Buck
Number of Outputs: 1
Voltage - Supply (Vcc/Vdd): 4V ~ 38V
Frequency - Switching: 250kHz ~ 750kHz
Duty Cycle (Max): 99%
Operating Temperature: -40°C ~ 85°C (TA)
Quality and Safety Features
Built-in current limit for overcurrent protection
Thermal shutdown feature for overheating protection
Meets industrial temperature standards for reliability
Compatibility
Compatible with surface-mount technology for PCB assembly
Package/Case: 16-SSOP suitable for compact circuit designs
Application Areas
Power supplies for communications infrastructure
Automotive electronics and infotainment systems
Industrial control systems
Computing and data storage devices
Product Lifecycle
Product Status: Active
Not nearing discontinuation, with continued manufacturer support
Several Key Reasons to Choose This Product
Versatile input voltage range suitable for various applications
High efficiency with up to 99% duty cycle and synchronous rectification
Programmable frequency allows optimization of inductor size and efficiency
Robust protection features enhance product reliability and longevity
Active product lifecycle status ensures availability for new designs
LTC3851EUDLinear Technology / Analog Devices