Manufacturer Part Number
LTC3789IUFD#PBF
Manufacturer
Analog Devices
Introduction
The LTC3789IUFD#PBF is a high-performance Power Management Integrated Circuit (PMIC) designed for DC DC switching control, capable of managing step-up and step-down configurations efficiently.
Product Features and Performance
High-efficiency buck-boost operation
Wide input voltage range: 4V to 38V, accommodating a variety of power sources
Adjustable switching frequency from 200kHz to 640kHz
Maximum 90% duty cycle for extended power range
Incorporates synchronous rectification for improved efficiency
Features include Current Limit, Enable, Frequency Control, Power Good, Soft Start for enhanced control and protection
Supports single-phase operation with two outputs
Product Advantages
Flexibility in handling wide input voltage variations
High efficiency and reduced power loss due to synchronous rectification
Adjustable switching frequency allows optimization between efficiency and component size
Comprehensive control features enhance safety and reliability
Key Technical Parameters
Voltage Supply (Vcc/Vdd): 4V ~ 38V
Switching Frequency: 200kHz ~ 640kHz
Duty Cycle (Max): 90%
Operating Temperature: -40°C ~ 125°C (TJ)
Quality and Safety Features
Built-in current limit and soft start features prevent damage from sudden changes in input or output conditions
The robust operating temperature range ensures reliable performance under extreme conditions
Compatibility
The device's surface mount package (28-WFQFN Exposed Pad) is compatible with a wide range of PCB designs
Application Areas
Versatile power management applications across industries including automotive, telecommunications, and industrial systems
Ideal for portable devices where efficient power management is crucial
Product Lifecycle
Currently active product status with no immediate discontinuation notice, ensuring long-term availability and support
Upgrades or replacements are available based on evolving technology and application requirements
Several Key Reasons to Choose This Product
High degree of versatility and compatibility with various voltage inputs and systems
Enhanced efficiency and control features lead to improved performance and reliability
Robust design capable of operating in harsh environments
Support from a reputable manufacturer like Analog Devices, ensuring reliability and technical assistance
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