Manufacturer Part Number
LTC3773EUHF#PBF
Manufacturer
Analog Devices
Introduction
The LTC3773EUHF#PBF is a versatile Power Management Integrated Circuit (PMIC) for DC DC switching controllers. Designed for step-down (buck) conversion, it supports up to three outputs with three phases, enhancing its utility in varied power management scenarios.
Product Features and Performance
Support for step-down conversion with a positive output configuration.
Topology: Buck, ensuring efficient power conversion.
Capable of operating across a wide voltage range (3.3V to 36V), accommodating various supply sources.
Adjustable switching frequency from 220kHz to 560kHz, allowing optimization for efficiency and component size.
High maximum duty cycle of 98.5%, supporting low dropout operations.
Incorporates synchronous rectification for enhanced efficiency.
Features like Enable, Power Good, and Tracking offer enhanced control and monitoring capabilities.
Product Advantages
Multi-phase output capability enhances power distribution and thermal management.
Wide input voltage range allows for use in various applications from low-power portable devices to higher voltage automotive and industrial systems.
High duty cycle and synchronous rectification contribute to high efficiency, reducing power loss and heat.
Flexible switching frequency enables designers to balance efficiency, noise, and component size.
Key Technical Parameters
Number of Outputs: 3
Output Phases: 3
Voltage Supply (Vcc/Vdd): 3.3V ~ 36V
Switching Frequency: 220kHz ~ 560kHz
Duty Cycle (Max): 98.5%
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
High-temperature operation capability suggests reliability under varying environmental conditions. The device's construction and packaging are designed to meet industry-standard quality and safety features.
Compatibility
The LTC3773EUHF#PBF’s packaging (38-WFQFN Exposed Pad) and surface mount design are compatible with modern PCB manufacturing processes, facilitating ease of integration into various electronic systems.
Application Areas
Power supplies for telecommunications
Automotive electronics
Industrial control systems
Portable devices and computing equipment
High-efficiency power regulation scenarios
Product Lifecycle
Status: Active. This indicates that the product is currently in production and not near discontinuation, with replacements or upgrades not immediately necessary but potentially available for future planning.
Several Key Reasons to Choose This Product
Versatility in power management due to support for multiple outputs and phases.
High efficiency and reduced power loss through synchronous rectification and high duty cycle.
Operational across a broad range of input voltages, suitable for diverse applications.
Advanced control features (Enable, Power Good, Tracking) enhance system reliability and performance monitoring.
Compatibility with modern manufacturing processes assures ease of integration into product designs.