Manufacturer Part Number
LT8643SHV-2#PBF
Manufacturer
Analog Devices
Introduction
The LT8643SHV-2#PBF is a high-performance step-down switching regulator part of the Silent Switcher®2 series optimized for power management applications.
Product Features and Performance
Efficient step-down voltage regulation
Silent Switcher®2 architecture minimizes EMI emissions
Highly configurable with adjustable output voltage
Supports a wide input voltage range from 3.4V to 42V
Supports adjustable frequency from 180kHz to 2.1MHz
Output current capability up to 6A
Integrated synchronous rectifier for improved efficiency
Operates at high temperatures up to 150°C
Small footprint 24-TFQFN Exposed Pad package
Product Advantages
Reduced noise and EMI due to Silent Switcher®2 design
Versatile input voltage range suitable for various applications
Thermally efficient, suitable for high temperature environments
High switching frequency allows for smaller external components
Robust performance with built-in safety features
Key Technical Parameters
Topology: Buck (Step-Down)
Output Type: Adjustable
Number of Outputs: 1
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
Quality and Safety Features
Over temperature protection
Over current protection
Thermal shutdown
Compatibility
Compatible with a wide range of input voltages
Suitable for use in various power management circuits
Mounting Type: Surface Mount
Application Areas
Automotive electronics
Industrial power supplies
Telecommunications equipment
Data communication systems
Portable electronic devices
Product Lifecycle
Product Status: Active
No indication of discontinuation, supports long-term availability
Replacements or upgrades can be sourced within the Analog Devices portfolio
Several Key Reasons to Choose This Product
Minimized EMI signature makes it ideal for noise-sensitive applications
Flexible input voltage range and high output current meet diverse design needs
Highly efficient with integrated synchronous rectification
Stable operation and reliable performance in extreme temperature conditions
Compact size and surface mount package ideal for space-constrained applications
Broad application scope thanks to versatile design parameters
LT8645SEVLT
LT8643SEV#WPBFADI (Analog Devices, Inc.)