Manufacturer Part Number
LT8645SIV#PBF
Manufacturer
Analog Devices
Introduction
The LT8645SIV#PBF is a high-performance step-down switching regulator from Analog Devices' Silent Switcher®2 series.
Product Features and Performance
Silent Switcher®2 architecture minimizes EMI emissions
High efficiency at various loads
Wide input voltage range from 3.4V to 65V
Adjustable output voltage from 0.97V to 12V
8A output current capability
Flexible switching frequency from 200kHz to 2.2MHz
Synchronous rectification for improved efficiency
Thermally enhanced 32-TFQFN package for better heat dissipation
Integrated bypass capacitors to reduce radiated noise
Robust short-circuit and thermal protection features
Product Advantages
Low EMI suitable for noise-sensitive applications
High efficiency reduces thermal issues and energy consumption
Wide input voltage range accommodates various power supply conditions
Versatile switching frequency allows optimization between efficiency and component size
Compact package design suitable for space-constrained applications
Key Technical Parameters
Voltage Input (Min): 3.4V
Voltage Input (Max): 65V
Voltage Output (Min/Fixed): 0.97V
Voltage Output (Max): 12V
Current Output: 8A
Frequency Switching: 200kHz ~ 2.2MHz
Operating Temperature: -40°C to 125°C
Mounting Type: Surface Mount
Package / Case: 32-TFQFN Exposed Pad
Quality and Safety Features
Built-in thermal shutdown
Over-current protection
Short-circuit protection
Compatibility
Compatible with standard surface mount technology
Application Areas
Industrial
Automotive
Telecommunications
Computing
Medical equipment
Product Lifecycle
Currently active product
Not approaching discontinuation
Future replacements or upgrades should be available through Analog Devices' continued product development
Several Key Reasons to Choose This Product
Exceptional EMI performance due to Silent Switcher®2 technology
Strong load and line regulation ensure stable performance
Comprehensive protection features enhance reliability and safety
Wide input voltage range provides design flexibility for varying power supplies
The thermally efficient package allows for high power density designs
Flexible in application thanks to a broad operating temperature range
Availability of a quality product from a reputable manufacturer like Analog Devices