Manufacturer Part Number
LT8645SIV#WPBF
Manufacturer
Analog Devices
Introduction
LT8645SIV#WPBF is a high-performance step-down (buck) regulator from Analog Devices' Silent Switcher®2 series.
Product Features and Performance
Silent Switcher®2 architecture minimizes EMI/EMC emissions
High efficiency at various loads through synchronous rectification
Wide input voltage range: 3V to 65V supporting a variety of power sources
Adjustable output voltage from 0.97V up to 65V
Robust output current capability of 8A for high power applications
Flexible switching frequency: 200kHz to 2.2MHz allows optimization between efficiency and component size
Supports safe operating temperatures from -40°C to 125°C (TJ)
Integrated bypass capacitors to further reduce EMI
Internal compensation minimizing external components
Product Advantages
Ultra-low EMI/EMC emissions suitable for noise-sensitive applications
High integration level reduces PCB space requirements
The automotive grade ensures reliability in harsh environments
AEC-Q100 qualification for automotive applications
Versatile for a wide range of input and output voltages
The ability to synchronize to an external clock
Key Technical Parameters
Voltage Input (Min): 3V
Voltage Input (Max): 65V
Voltage Output (Min/Fixed): 0.97V
Voltage Output (Max): 65V
Current Output: 8A
Frequency Switching: 200kHz to 2.2MHz
Operating Temperature: -40°C to 125°C (TJ)
Quality and Safety Features
Automotive grade performance
AEC-Q100 qualified
Built-in thermal shutdown
Overcurrent protection
Under-voltage lockout (UVLO)
Compatibility
Compatible with a wide range of input voltages
Suitable for 32-TFQFN Exposed Pad surface-mounting
Easily used with various types of external inductors and capacitors based on application-specific needs
Application Areas
Automotive electronics
Industrial power supplies
Communications infrastructure
Computing and data storage systems
High-density power modules
Product Lifecycle
Product Status: Active
Not nearing discontinuation
Thus, replacements or upgrades are currently not a concern
Several Key Reasons to Choose This Product
High-efficiency power conversion reduces thermal footprint and energy wastage
Silent Switcher®2 design offers a solution for applications sensitive to noise like RF and precision analog circuits
Broad input voltage range ideal for fluctuating power environments or battery-powered systems
Capable of delivering significant power with an 8A output current
AEC-Q100 qualification and automotive grade rating ensure top-tier performance for automotive and other rigorous applications
LT8645SEV-2#WPBFADI (Analog Devices, Inc.)