Manufacturer Part Number
LT8645SEV-2#PBF
Manufacturer
Analog Devices
Introduction
High efficiency, low EMI step-down regulator
Product Features and Performance
Silent Switcher 2 architecture minimizes EMI emissions
High efficiency synchronous operation
Wide input voltage range 3.4V to 65V, suitable for various supply sources
Adjustable output voltage from 0.97V to 12V
Output current capability of 8A for high power applications
Switching frequency from 200kHz to 2.2MHz, allowing optimization between efficiency and component size
Thermal shutdown and overvoltage protection for improved safety
Programmable soft-start feature to reduce inrush current
Product Advantages
Low EMI advantageous for noise-sensitive applications
High efficiency results in less heat generation and better reliability
Flexible power supply option from low to high voltage
Compact size 32-LQFN package ideal for space-constrained applications
Key Technical Parameters
Input Voltage Min/Max: 3.4V / 65V
Output Voltage Min/Max: 0.97V / 12V
Current - Output: 8A
Switching Frequency: 200kHz ~ 2.2MHz
Synchronous Rectifier: Yes
Operating Temperature Range: -40°C ~ 125°C
Mounting Type: Surface Mount
Package/Case: 32-TFQFN Exposed Pad
Quality and Safety Features
Built-in overvoltage protection
Thermal shutdown mechanism
High reliability and long operational lifespan
Compatibility
Designed for use with a broad range of external components
Flexible for various circuit topologies
Application Areas
Automotive electronics
Industrial power supplies
Telecommunications equipment
Data communication systems
Product Lifecycle
Currently active
Not near discontinuation
Replacements or upgrades typically announced before discontinuation
Several Key Reasons to Choose This Product
Minimized EMI suitable for RF-sensitive environments
High efficiency ensures lower operating temperature and longer product lifespan
Broad input voltage range offers versatility across different power systems
High-output current suitable for demanding power applications
Programmable frequency allows for design flexibility and optimization of components
Compact 32-LQFN package saves board space
Proven quality and safety from a reliable manufacturer Analog Devices
LT8645SEV-2#WPBFADI (Analog Devices, Inc.)
LT8645SEVLT