Manufacturer Part Number
LTC3729EUH#PBF
Manufacturer
Analog Devices
Introduction
High-performance PolyPhase step-down switching controller for power management applications
Product Features and Performance
Dual channel output for efficient power conversion
Step-down (Buck) topology for voltage reduction applications
Supports up to 2 output phases for improved power distribution
Wide supply voltage range supporting 4V to 36V
Adjustable switching frequency from 260kHz to 550kHz
High duty cycle capability up to 99.5%
Includes synchronous rectification for better efficiency
Features current limit, enable, phase control, power good, and soft start control functions
Product Advantages
Reduced system complexity with integrated dual outputs
Flexible voltage range suitable for various applications
Enhanced thermal performance with 32-WFQFN exposed pad package
Increased efficiency with synchronous rectification feature
Key Technical Parameters
Number of Outputs: 2
Output Phases: 2
Voltage Supply (Vcc/Vdd): 4V ~ 36V
Frequency Switching: 260kHz ~ 550kHz
Duty Cycle (Max): 99.5%
Synchronous Rectifier: Yes
Operating Temperature Range: -40°C ~ 85°C
Quality and Safety Features
High-temperature operational range ensuring reliability across various environments
Robust surface mount package for secure mounting and reduced risk of mechanical failure
Compatibility
Compatible with a variety of external components and suitable for designing complex power management systems
Application Areas
Suitable for telecommunications, computing, industrial, and high-density power systems
Product Lifecycle
Currently active product with long-term availability
Not indicated as nearing discontinuation
Several Key Reasons to Choose This Product
Versatile supply voltage range for diverse application requirements
Highly efficient power management due to synchronous rectification and dual-phase output
Reliable performance in a wide temperature range ensuring suitability for industrial applications
High-frequency switching capability allows for smaller external components
Advanced features like soft start and power good signaling for sophisticated power regulation designs
Manufactured by Analog Devices, known for high-quality and technically advanced power management components