Manufacturer Part Number
LT8641IUDC#PBF
Manufacturer
Analog Devices
Introduction
High-efficiency silent switcher step-down voltage regulator
Product Features and Performance
Silent Switcher architecture minimizes EMI/EMC emissions
High efficiency at light and heavy loads
Wide input voltage range from 3V to 65V
Adjustable output voltage from 0.8V to 64.35V
5A continuous output current
Programmable switching frequency from 210kHz to 2MHz
Synchronous rectification for improved efficiency
Thermal overload protection
Current mode operation for excellent line and load transient response
Low dropout under all conditions due to strong internal switches
Soft-start capability to prevent inrush current at startup
Product Advantages
Low EMI emissions suitable for noise-sensitive applications
Broad input voltage range supports a variety of supply voltages
Highly versatile for different output voltages and currents
Integrated bypass capacitors to reduce component count
Fast transient response ideal for modern microprocessors and FPGAs
Key Technical Parameters
Input Voltage (Min): 3V
Input Voltage (Max): 65V
Output Voltage (Min/Fixed): 0.8V
Output Voltage (Max): 64.35V
Current - Output: 3.5A
Frequency - Switching: 210kHz ~ 2MHz
Operating Temperature Range: -40°C to 125°C
Quality and Safety Features
Built-in thermal shutdown
Overcurrent and short-circuit protection
Stable with ceramic bulk capacitors
RoHS compliant and lead-free
Compatibility
Compatible with a wide range of microcontrollers, FPGAs, and other digital ICs
Application Areas
Telecommunication and industrial systems
Automotive electronics
Datacom and telecom power systems
Distributed power supplies
Product Lifecycle
Active status
No indication of nearing discontinuation
Replacements or upgrades should be available within the family
Reasons to Choose This Product
Ultra-low EMI noise generation ideal for RF and precision analog applications
High-efficiency power conversion which reduces heat and power loss
Flexible voltage configurations for a wide range of applications
Robust package suitable for harsh environments
Trusted manufacturer with a reputation for quality in power management solutions
Synchronous rectification for better efficiency at light and heavy loads
Ability to supply a significant amount of current (3.5A) for various circuits
Extensive protection features ensuring long-term reliability
Ability to achieve high switch frequency for smaller passive components
Support for a wide variety of applications due to comprehensive operating temperature range
LT8641IUDC#WTRPBFAnalog Devices
LT8641UXE_U3LONTIUM
LT8641EUDCLinear Technology / Analog Devices