Manufacturer Part Number
LTC3857IGN-1#PBF
Manufacturer
Analog Devices
Introduction
The LTC3857IGN-1#PBF is a high-performance Power Management (PMIC) DC DC Switching Controller designed for a wide range of power conversion applications. It incorporates Analog Devices' PolyPhase® technology for efficient multi-phase power distribution.
Product Features and Performance
Dual output step-down (Buck) switching controller
Supports a wide input voltage range of 4V to 38V
Flexible switching frequency from 105kHz to 835kHz, with a selectable range of 350kHz to 535kHz for optimal performance and efficiency
High duty cycle up to 99.4% for low dropout operations
Features synchronous rectification for improved efficiency
Soft Start, Tracking, Power Good, Enable, and Frequency Control functionalities for advanced power management
Capable of operating in high temperatures, between -40°C and +125°C (TJ)
Product Advantages
Offers efficient power conversion and distribution with its PolyPhase® multi-phase technology
Flexible power solution with dual output and adjustable switching frequencies
High efficiency with synchronous rectification and high duty cycle capabilities
Robust design enables reliable operation in extreme temperature environments
Key Technical Parameters
Number of Outputs: 2
Output Phases: 2
Voltage Supply (Vcc/Vdd): 4V ~ 38V
Frequency Switching: 105kHz ~ 835kHz, selectable to 350kHz ~ 535kHz
Duty Cycle (Max): 99.4%
Operating Temperature: -40°C ~ 125°C (TJ)
Quality and Safety Features
Designed to meet rigorous Analog Devices’ quality and safety standards
Includes protection features and robust thermal management for reliable operation under various conditions
Compatibility
Suitable for surface mount technology with its 28-SSOP package
Compatible with a wide range of power supply designs due to its flexible input voltage and dual output capability
Application Areas
Ideal for computing systems, communications infrastructure, industrial equipment, and other applications requiring efficient power distribution and conversion
Product Lifecycle
Currently in an active phase with no immediate indication of nearing discontinuation
Future replacements or upgrades will be guided by Analog Devices’ ongoing product evolution strategy
Several Key Reasons to Choose This Product
High performance and efficiency with Analog Devices’ PolyPhase® technology
Flexible application range due to dual output and wide input voltage
Enhanced power management capabilities with integrated control features
Reliable operation in extreme conditions with robust design and safety features
Supported by Analog Devices’ reputation for quality and innovation in power management solutions
LTC3858EGN-1Linear Technology / Analog Devices
LTC3858EUHLT