Manufacturer Part Number
LT8643SIV-2#PBF
Manufacturer
Analog Devices
Introduction
The LT8643SIV-2#PBF is a high-performance step-down switching regulator from Analog Devices' Silent Switcher®2 series. It is designed for power management applications requiring low noise and high efficiency.
Product Features and Performance
Step-Down (Buck) topology
Adjustable output voltage
Supports input voltage from 3.4V to 42V
Provides output voltage from 0.97V to 42V
Output current capacity of 6A
Switching frequency between 180kHz and 2.1MHz
Integrated synchronous rectifier for improved efficiency
Operates over a temperature range of -40°C to 125°C
Surface mount package
Product Advantages
Low noise operation due to Silent Switcher®2 technology
High efficiency suitable for sensitive applications
Versatile input and output voltage range accommodates varied applications
Robust thermal performance for reliability under varying operating conditions
Key Technical Parameters
Voltage Input (Min): 3.4V
Voltage Input (Max): 42V
Voltage Output (Min/Fixed): 0.97V
Voltage Output (Max): 42V
Current Output: 6A
Frequency Switching: 180kHz ~ 2.1MHz
Synchronous Rectifier: Yes
Quality and Safety Features
Comprehensive thermal and over-current protections
Stable operation across a wide temperature and voltage range ensures long-term reliability
Compatibility
Compatible with various standard surface mount technologies
Flexibility in usage across a broad range of electronic circuits and applications
Application Areas
Telecommunications
Industrial Power Supplies
Automotive Electronics
High-performance embedded systems
Product Lifecycle
Currently Active status
Not facing discontinuation and replacements or upgrades are available
Several Key Reasons to Choose This Product
Superior noise reduction technology makes it ideal for noise-sensitive applications
High output current capacity suitable for high-power applications
Wide input and output voltage ranges offer flexibility in various usage scenarios
High switching frequency allows for smaller external components, reducing overall solution size
Proven quality and reliability from a trusted manufacturer in power management solutions